{"id":787,"date":"2026-02-07T05:09:03","date_gmt":"2026-02-07T05:09:03","guid":{"rendered":"https:\/\/zeeyielec.com\/?page_id=787"},"modified":"2026-03-21T06:51:45","modified_gmt":"2026-03-21T06:51:45","slug":"medium-voltage-bushings","status":"publish","type":"page","link":"https:\/\/zeeyielec.com\/de\/transformer-accessories\/medium-voltage-bushings\/","title":{"rendered":"Mittelspannungsdurchf\u00fchrungen"},"content":{"rendered":"\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-6b7d41e\" data-block-id=\"6b7d41e\"><style>.stk-6b7d41e {z-index:10 !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-6b7d41e-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-792c94d\" data-v=\"4\" data-block-id=\"792c94d\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-792c94d-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-792c94d-inner-blocks\">\n<!-- =========================================================================\n     SEC1 HERO - Medium Voltage Bushings (Aligned with your finalized style)\n     Copy into a WordPress Gutenberg \"Custom HTML\" block\n     ========================================================================= -->\n\n<style>\n    \/* --- 1. 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{\n        .hero-container { \n            padding-top: 12rem;\n            padding-bottom: 6rem; \n        }\n        .hero-title { font-size: 52px; }\n    }\n<\/style>\n\n<div class=\"hero-wrapper\">\n    <section class=\"hero-section\">\n        <div class=\"hero-container\">\n            <div class=\"hero-text-col\">\n                \n                <span class=\"hero-eyebrow\">\n                    Transformer Accessories Series\n                <\/span>\n                \n                <h1 class=\"hero-title\">\n                    Medium Voltage Transformer Bushings (ANSI, DIN &amp; Epoxy)\n                <\/h1>\n                \n                <p class=\"hero-subtitle\">\n                    Engineered for distribution transformer projects with ANSI porcelain, DIN porcelain, and epoxy interface options across medium-voltage applications.\n                <\/p>\n\n                <div class=\"hero-support\">\n                    <span class=\"hero-support-item\">\n                        <span class=\"hero-dot\"><\/span>OEM\/ODM Configuration\n                    <\/span>\n                    <span class=\"hero-separator\">\u2022<\/span>\n                    \n                    <span class=\"hero-support-item\">\n                        <span class=\"hero-dot\"><\/span>Fast Engineering Response\n                    <\/span>\n                    <span class=\"hero-separator\">\u2022<\/span>\n                    \n                    <span class=\"hero-support-item\">\n                        <span class=\"hero-dot\"><\/span>Export Documentation Support\n                    <\/span>\n                <\/div>\n                \n                <div class=\"hero-cta-group\">\n                    <a href=\"#ct-popup-862\" class=\"hero-btn hero-btn-primary\">\n                        Request Quote\n                    <\/a>\n                    <a href=\"#sec3-product-families\" class=\"hero-btn hero-btn-secondary\">\n                        View Product Families\n                    <\/a>\n                <\/div>\n            <\/div>\n        <\/div>\n\n        <div class=\"hero-bottom-bar\">\n            <div class=\"hero-bar-content\">\n                <div class=\"hero-stats-grid\">\n                    <div class=\"hero-stat-item first-item\">\n                        <span class=\"hero-stat-label\">Voltage Class<\/span>\n                        <span class=\"hero-stat-value\">12kV\u201352kV<\/span>\n                    <\/div>\n                    <div class=\"hero-stat-item bordered-desktop\">\n                        <span class=\"hero-stat-label\">Current Rating<\/span>\n                        <span class=\"hero-stat-value\">55A\u20133150A<\/span>\n                    <\/div>\n                    <div class=\"hero-stat-item bordered-desktop\">\n                        <span class=\"hero-stat-label\">Application<\/span>\n                        <span class=\"hero-stat-value\">Distribution Transformers<\/span>\n                    <\/div>\n                <\/div>\n            <\/div>\n        <\/div>\n    <\/section>\n<\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-c5552c9\" data-block-id=\"c5552c9\"><style>.stk-c5552c9 {z-index:10 !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-c5552c9-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-b217a05\" data-v=\"4\" data-block-id=\"b217a05\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-b217a05-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-b217a05-inner-blocks\">\n<!-- =========================================================================\n     SEC2: Product Definition (Medium Voltage Bushings) - Dual Path Logic Diagram\n     \u5b8c\u6574\u6a21\u5757\u4ee3\u7801\uff08\u542b\u5de6\u6587\u6848 + 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    padding-top: 1rem;\n        }\n\n        .flow-dual-grid {\n            grid-template-columns: 1fr 1fr;\n            gap: 1rem;\n        }\n    }\n<\/style>\n\n<div class=\"sec2-wrapper\">\n    <section class=\"def-section\">\n        <div class=\"def-container\">\n\n            <!-- Left: Definition -->\n            <div class=\"def-content-col\">\n                <span class=\"def-eyebrow\">Product Definition<\/span>\n                <h2 class=\"def-h2\">What Is a Medium Voltage Transformer Bushing?<\/h2>\n\n                <p class=\"def-intro\">\n                    A medium voltage transformer bushing is an insulated pass-through component installed on the transformer tank wall to safely transfer current between internal windings and external circuits. In practical projects, <strong>medium voltage bushings<\/strong> are selected by standard system (ANSI or DIN), material route (porcelain or epoxy), and interface type (fixed, loadbreak, or deadbreak) to ensure electrical reliability and installation compatibility.\n                <\/p>\n\n                <ul class=\"def-feature-list\">\n                    <li class=\"def-feature-item\">\n                        <div class=\"def-feature-icon\">1<\/div>\n                        <div class=\"def-feature-text\">\n                            <strong>Electrical Insulation<\/strong> \u2014 provides stable dielectric separation under medium-voltage operating stress.\n                        <\/div>\n                    <\/li>\n                    <li class=\"def-feature-item\">\n                        <div class=\"def-feature-icon\">2<\/div>\n                        <div class=\"def-feature-text\">\n                            <strong>Current Transfer Path<\/strong> \u2014 creates a reliable conductive path from transformer winding to external connection.\n                        <\/div>\n                    <\/li>\n                    <li class=\"def-feature-item\">\n                        <div class=\"def-feature-icon\">3<\/div>\n                        <div class=\"def-feature-text\">\n                            <strong>System Compatibility<\/strong> \u2014 matches mounting dimensions, thread\/interface standards, and connector ecosystem.\n                        <\/div>\n                    <\/li>\n                <\/ul>\n\n                <div class=\"def-transition\">\n                    ZeeyiElec supplies ANSI porcelain, DIN porcelain, and epoxy bushing configurations for 12\u201352kV and 55A\u20133150A distribution transformer applications.\n                <\/div>\n            <\/div>\n\n            <!-- Right: Dual-Path Logic Diagram -->\n            <div class=\"def-visual-col\">\n                <div class=\"flow-dual\">\n                    <div class=\"flow-dual-grid\">\n\n                        <!-- Path A: Porcelain route -->\n                        <div class=\"flow-path\">\n                            <span class=\"flow-path-title\">Porcelain Route (ANSI \/ DIN)<\/span>\n                            <div class=\"flow-col\">\n                                <div class=\"flow-card is-external\">\n                                    <span class=\"flow-label\">External Circuit<\/span>\n                                    <span class=\"flow-title\">Cable \/ Busbar Connection<\/span>\n                                <\/div>\n                                <div class=\"flow-line\"><\/div>\n\n                                <div class=\"flow-card is-active\">\n                                    <span class=\"flow-label\">Core Component<\/span>\n                                    <span class=\"flow-title\">Porcelain Bushing Body<\/span>\n                                <\/div>\n                                <div class=\"flow-line\"><\/div>\n\n                                <div class=\"flow-card\">\n                                    <span class=\"flow-label\">Mounting Base<\/span>\n                                    <span class=\"flow-title\">Transformer Tank Wall<\/span>\n                                <\/div>\n                            <\/div>\n                            <div class=\"flow-note\">\n                                Typical for fixed-interface transformer bushing applications.\n                            <\/div>\n                        <\/div>\n\n                        <!-- Path B: Epoxy separable route -->\n                        <div class=\"flow-path\">\n                            <span class=\"flow-path-title\">Epoxy Separable Route<\/span>\n                            <div class=\"flow-col\">\n                                <div class=\"flow-card is-external\">\n                                    <span class=\"flow-label\">External Circuit<\/span>\n                                    <span class=\"flow-title\">Cable \/ Elbow \/ T-Body Connector<\/span>\n                                <\/div>\n                                <div class=\"flow-line\"><\/div>\n\n                                <div class=\"flow-card\">\n                                    <span class=\"flow-label\">Interface Accessory<\/span>\n                                    <span class=\"flow-title\">Bushing Insert \/ Separable Interface<\/span>\n                                <\/div>\n                                <div class=\"flow-line\"><\/div>\n\n                                <div class=\"flow-card\">\n                                    <span class=\"flow-label\">Interface Base<\/span>\n                                    <span class=\"flow-title\">Bushing Well<\/span>\n                                <\/div>\n                                <div class=\"flow-line\"><\/div>\n\n                                <div class=\"flow-card is-active\">\n                                    <span class=\"flow-label\">Core Component<\/span>\n                                    <span class=\"flow-title\">Epoxy Bushing Body<\/span>\n                                <\/div>\n                                <div class=\"flow-line\"><\/div>\n\n                                <div class=\"flow-card\">\n                                    <span class=\"flow-label\">Mounting Base<\/span>\n                                    <span class=\"flow-title\">Transformer Tank Wall<\/span>\n                                <\/div>\n                            <\/div>\n                            <div class=\"flow-note\">\n                                Typical for loadbreak\/deadbreak compatible interface systems.\n                            <\/div>\n                        <\/div>\n\n                    <\/div>\n                <\/div>\n            <\/div>\n\n        <\/div>\n    <\/section>\n<\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div 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@keyframes slideUp { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }\n  \n  .sec3-hidden { display: none !important; }\n<\/style>\n\n<div id=\"sec3-modal-container\">\n  \n  <div class=\"sec3-header\">\n    <span class=\"sec3-eyebrow\">Engineering Selection<\/span>\n    <!-- Title Updated: No ASTM here -->\n    <h2>ANSI, DIN, and Epoxy Medium Voltage Bushings<\/h2>\n    <p>Comprehensive catalog data for medium voltage transformer bushings optimized for global projects.<\/p>\n  <\/div>\n\n  <!-- Tabs (Segmented Style) -->\n  <div class=\"sec3-tabs-wrapper\">\n    <div class=\"sec3-tabs\">\n      <button class=\"sec3-tab-btn active\" onclick=\"switchSec3Tab('ansi', this)\">ANSI &#038; ASTM Series<\/button>\n      <button class=\"sec3-tab-btn\" onclick=\"switchSec3Tab('din', this)\">DIN Series<\/button>\n      <button class=\"sec3-tab-btn\" onclick=\"switchSec3Tab('epoxy', this)\">Epoxy Interface<\/button>\n    <\/div>\n  <\/div>\n\n  <!-- ANSI Panel -->\n  <div id=\"sec3-ansi-panel\" class=\"sec3-panel\">\n    <div class=\"sec3-left-col\">\n        <div class=\"sec3-hero-img\">\n            <img decoding=\"async\" src=\"https:\/\/zeeyielec.com\/wp-content\/uploads\/2026\/02\/zeeyielec-medium-voltage-transformer-bushing-ANSI-Porcelain-2.webp\" alt=\"ANSI Porcelain Bushing Family\">\n        <\/div>\n        <div class=\"sec3-hero-desc\">\n            <h4>Series Overview<\/h4>\n            <!-- Description Updated: ASTM FBD Mentioned Here -->\n            <p>\n                This comprehensive collection combines standard ANSI distribution bushings (15-38kV) with <b>ASTM FBD\/FBDW high-performance series<\/b>. \n                <br><br>\n                Ranging from <b>55A to 5000A<\/b>, these porcelain bushings utilize premium electrical-grade porcelain and robust metal flanges. Specifically engineered for reliable external insulation and mechanical support in oil-filled transformers following American standards.\n            <\/p>\n        <\/div>\n    <\/div>\n\n    <div class=\"sec3-list\">\n      <div class=\"sec3-list-item\" onclick=\"openSec3Modal('ansi-1')\">\n        <div class=\"sec3-item-info\">\n            <div class=\"sec3-item-title\">15kV &#8211; 38kV \/ 55A Series<\/div>\n            <div class=\"sec3-item-subtitle\">Low current distribution bushings<\/div>\n        <\/div>\n        <div class=\"sec3-icon-btn\">&rarr;<\/div>\n      <\/div>\n\n      <div class=\"sec3-list-item\" onclick=\"openSec3Modal('ansi-2')\">\n        <div class=\"sec3-item-info\">\n            <div class=\"sec3-item-title\">15kV &#8211; 38kV \/ 125A &#8211; 417A<\/div>\n            <div class=\"sec3-item-subtitle\">Standard medium current range<\/div>\n        <\/div>\n        <div class=\"sec3-icon-btn\">&rarr;<\/div>\n      <\/div>\n\n      <div class=\"sec3-list-item\" onclick=\"openSec3Modal('ansi-3')\">\n        <div class=\"sec3-item-info\">\n            <div class=\"sec3-item-title\">15kV &#8211; 38kV \/ 417A &#8211; 660A<\/div>\n            <div class=\"sec3-item-subtitle\">High current heavy-duty range<\/div>\n        <\/div>\n        <div class=\"sec3-icon-btn\">&rarr;<\/div>\n      <\/div>\n\n      <div class=\"sec3-list-item\" onclick=\"openSec3Modal('ansi-4')\">\n        <div class=\"sec3-item-info\">\n            <div class=\"sec3-item-title\">15kV Special \/ Compact<\/div>\n            <div class=\"sec3-item-subtitle\">125A &#8211; 250A Specific Dimensions<\/div>\n        <\/div>\n        <div class=\"sec3-icon-btn\">&rarr;<\/div>\n      <\/div>\n\n      <div class=\"sec3-list-item\" onclick=\"openSec3Modal('ansi-5')\">\n        <div class=\"sec3-item-info\">\n            <div class=\"sec3-item-title\">ASTM FBD LV\/MV (2.5-8.7kV)<\/div>\n            <div class=\"sec3-item-subtitle\">High current 1000A &#8211; 5000A<\/div>\n        <\/div>\n        <div class=\"sec3-icon-btn\">&rarr;<\/div>\n      <\/div>\n\n      <div class=\"sec3-list-item\" onclick=\"openSec3Modal('ansi-6')\">\n        <div class=\"sec3-item-info\">\n            <div class=\"sec3-item-title\">ASTM FBD MV (15-46kV)<\/div>\n            <div class=\"sec3-item-subtitle\">315A &#8211; 3150A Standard Range<\/div>\n        <\/div>\n        <div class=\"sec3-icon-btn\">&rarr;<\/div>\n      <\/div>\n\n      <div class=\"sec3-list-item\" onclick=\"openSec3Modal('ansi-7')\">\n        <div class=\"sec3-item-info\">\n            <div class=\"sec3-item-title\">ASTM FBDW Heavy (25-46kV)<\/div>\n            <div class=\"sec3-item-subtitle\">Robust high voltage\/current models<\/div>\n        <\/div>\n        <div class=\"sec3-icon-btn\">&rarr;<\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n\n  <!-- DIN Panel -->\n  <div id=\"sec3-din-panel\" class=\"sec3-panel sec3-hidden\">\n    <div class=\"sec3-left-col\">\n        <div class=\"sec3-hero-img\">\n            <img decoding=\"async\" src=\"https:\/\/zeeyielec.com\/wp-content\/uploads\/2026\/02\/zeeyielec-medium-voltage-transformer-1.webp\" alt=\"DIN \/ EN Porcelain Bushing Family\">\n        <\/div>\n        <div class=\"sec3-hero-desc\">\n            <h4>DIN Standard<\/h4>\n            <p>\n                Our DIN porcelain bushing series includes standard DIN 42531\/42532 models and high-current DIN 42533\/42534 models.\n                <br><br>\n                Ensuring dimensional interchangeability for European standard transformers, offering proven insulation performance for voltage classes from 12kV to 52kV.\n            <\/p>\n        <\/div>\n    <\/div>\n    <div class=\"sec3-list\">\n      <div class=\"sec3-list-item\" onclick=\"openSec3Modal('din-1')\">\n        <div class=\"sec3-item-info\">\n            <div class=\"sec3-item-title\">DIN Draw-lead Type (12-36kV)<\/div>\n            <div class=\"sec3-item-subtitle\">250A &#8211; 630A (DIN 42531)<\/div>\n        <\/div>\n        <div class=\"sec3-icon-btn\">&rarr;<\/div>\n      <\/div>\n\n      <div class=\"sec3-list-item\" onclick=\"openSec3Modal('din-2')\">\n        <div class=\"sec3-item-info\">\n            <div class=\"sec3-item-title\">DIN Rod Type (12-36kV)<\/div>\n            <div class=\"sec3-item-subtitle\">250A &#8211; 630A (DIN 42532)<\/div>\n        <\/div>\n        <div class=\"sec3-icon-btn\">&rarr;<\/div>\n      <\/div>\n\n      <div class=\"sec3-list-item\" onclick=\"openSec3Modal('din-3')\">\n        <div class=\"sec3-item-info\">\n            <div class=\"sec3-item-title\">DIN High Current (12-52kV)<\/div>\n            <div class=\"sec3-item-subtitle\">1000A &#8211; 3150A (DIN 42533\/34)<\/div>\n        <\/div>\n        <div class=\"sec3-icon-btn\">&rarr;<\/div>\n      <\/div>\n\n      <!-- Separator: EN -->\n      <div class=\"sec3-list-separator\">EN-Compatible Extension<\/div>\n\n      <div class=\"sec3-list-item\" onclick=\"openSec3Modal('din-4')\">\n        <div class=\"sec3-item-info\">\n            <div class=\"sec3-item-title\">EN Standard Series (12-36kV)<\/div>\n            <div class=\"sec3-item-subtitle\">1250A &#8211; 3150A Screw Connect<\/div>\n        <\/div>\n        <div class=\"sec3-icon-btn\">&rarr;<\/div>\n      <\/div>\n\n      <!-- Separator: Protection -->\n      <div class=\"sec3-list-separator\">Protection-Specific Option<\/div>\n\n      <div class=\"sec3-list-item\" onclick=\"openSec3Modal('din-5')\">\n        <div class=\"sec3-item-info\">\n            <div class=\"sec3-item-title\">Lightning Protection Series<\/div>\n            <div class=\"sec3-item-subtitle\">10kV &#8211; 35kV Discharge Bushing<\/div>\n        <\/div>\n        <div class=\"sec3-icon-btn\">&rarr;<\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n  \n  <!-- Epoxy Panel -->\n  <div id=\"sec3-epoxy-panel\" class=\"sec3-panel sec3-hidden\">\n    <div class=\"sec3-left-col\">\n        <div class=\"sec3-hero-img\">\n            <img decoding=\"async\" src=\"https:\/\/zeeyielec.com\/wp-content\/uploads\/2026\/02\/zeeyielec-medium-voltage-transformer-epoxy-bushing-200A-15KV.webp\" alt=\"Epoxy Bushing Family\">\n        <\/div>\n        <div class=\"sec3-hero-desc\">\n            <h4>Epoxy Interface<\/h4>\n            <p>\n                The Epoxy series features separable insulated connectors utilizing molded insulation technology. \n                <br><br>\n                Compliant with IEEE 386, supporting 200A Loadbreak and 600A\/900A Deadbreak interfaces. Fully shielded, submersible connections for pad-mounted transformers.\n            <\/p>\n        <\/div>\n    <\/div>\n    <div class=\"sec3-list\">\n       <div class=\"sec3-list-item\" onclick=\"openSec3Modal('epoxy-1')\">\n         <div class=\"sec3-item-info\">\n            <div class=\"sec3-item-title\">200A Bushing Inserts (15\/25kV)<\/div>\n            <div class=\"sec3-item-subtitle\">Loadbreak Interface (IEEE 386)<\/div>\n         <\/div>\n         <div class=\"sec3-icon-btn\">&rarr;<\/div>\n       <\/div>\n       \n       <div class=\"sec3-list-item\" onclick=\"openSec3Modal('epoxy-2')\">\n         <div class=\"sec3-item-info\">\n            <div class=\"sec3-item-title\">600A\/200A Reducing Tap Plug<\/div>\n            <div class=\"sec3-item-subtitle\">Loadbreak Reducing Interface<\/div>\n         <\/div>\n         <div class=\"sec3-icon-btn\">&rarr;<\/div>\n       <\/div>\n\n       <div class=\"sec3-list-item\" onclick=\"openSec3Modal('epoxy-3')\">\n         <div class=\"sec3-item-info\">\n            <div class=\"sec3-item-title\">600A Deadbreak Bushing<\/div>\n            <div class=\"sec3-item-subtitle\">15\/24kV Sidewall Apparatus<\/div>\n         <\/div>\n         <div class=\"sec3-icon-btn\">&rarr;<\/div>\n       <\/div>\n\n       <div class=\"sec3-list-item\" onclick=\"openSec3Modal('epoxy-4')\">\n         <div class=\"sec3-item-info\">\n            <div class=\"sec3-item-title\">600A\/900A Deadbreak Bushing<\/div>\n            <div class=\"sec3-item-subtitle\">35kV High Voltage Apparatus<\/div>\n         <\/div>\n         <div class=\"sec3-icon-btn\">&rarr;<\/div>\n       <\/div>\n    <\/div>\n  <\/div>\n\n  <!-- Modal -->\n  <div id=\"sec3-modal\" class=\"sec3-modal-overlay\">\n    <div class=\"sec3-modal-box\">\n      <button class=\"sec3-close-btn\" onclick=\"closeSec3Modal()\">&times;<\/button>\n      \n      <div class=\"sec3-modal-content\">\n        <h3 class=\"sec3-modal-title\" id=\"modal-title\">Specifications<\/h3>\n        <div class=\"sec3-modal-desc\" id=\"modal-desc\">Detailed dimensions and ratings.<\/div>\n        \n        <!-- Image Area -->\n        <div class=\"sec3-tech-drawing\" id=\"modal-img-container\">\n          <span style=\"color:#94a3b8;\">Loading image&#8230;<\/span>\n        <\/div>\n\n        <!-- Dynamic Table -->\n        <div style=\"overflow-x: auto;\">\n            <table class=\"sec3-data-grid\" id=\"modal-table\">\n                <!-- Content injected by JS -->\n            <\/table>\n        <\/div>\n\n        <div class=\"sec3-modal-footer\">\n          <!-- CTA Link Updated to Popup ID -->\n          <a href=\"#ct-popup-862\" class=\"sec3-btn-contact\">Get a Quote \/ Full Catalog<\/a>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n\n<\/div>\n\n<script>\n  \/\/ \u57fa\u7840\u8def\u5f84\n  const uploadPath = \"https:\/\/zeeyielec.com\/wp-content\/uploads\/2026\/02\/\";\n\n  \/\/ \u6838\u5fc3\u6570\u636e\n  const sec3Data = {\n    \/\/ --- ANSI GROUP ---\n    'ansi-1': { title: \"ANSI 15kV - 38kV \/ 55A Series\", desc: \"Low current bushings. Source: File 2\", img: uploadPath + \"ansi-bushing-55a-dimensions.webp\", alt: \"ANSI 55A bushing\", headers: [\"Code\", \"Model\", \"H\", \"h2\", \"d1\", \"h1\", \"Creep\", \"Shields\", \"kg\"], rows: [[\"AM.MEA.034\", \"ANSI-15\/55\", \"498\", \"184\", \"101\", \"156\", \"310\", \"4 single\", \"2.6\"],[\"AM.MFA.013\", \"ANSI-18\/55\", \"554\", \"184\", \"101\", \"213\", \"480\", \"7 single\", \"3.5\"],[\"AM.MGA.019\", \"ANSI-25\/55\", \"611\", \"184\", \"101\", \"269\", \"775\", \"10 single\", \"4.6\"],[\"AM.MGA.020\", \"ANSI-27\/55\", \"739\", \"237\", \"107\", \"344\", \"830\", \"11 single\", \"5.1\"],[\"AM.MJA.007\", \"ANSI-38\/55\", \"895\", \"280\", \"105\", \"458\", \"1140\", \"15 single\", \"6.5\"],[\"AM.MEA.001\", \"ANSI-15\/55\", \"499\", \"184\", \"101\", \"156\", \"310\", \"4 single\", \"2.6\"],[\"AM.MFA.006\", \"ANSI-18\/55\", \"555\", \"184\", \"101\", \"213\", \"480\", \"7 single\", \"3.5\"],[\"AM.MGA.005\", \"ANSI-25\/55\", \"612\", \"184\", \"101\", \"269\", \"775\", \"10 single\", \"4.6\"],[\"AM.MGA.001\", \"ANSI-27\/55\", \"740\", \"237\", \"107\", \"344\", \"830\", \"11 single\", \"5.1\"],[\"AM.MJA.001\", \"ANSI-38\/55\", \"896\", \"280\", \"105\", \"458\", \"1140\", \"15 single\", \"6.5\"]] },\n    'ansi-2': { title: \"ANSI 15kV - 38kV \/ 125A - 417A Series\", desc: \"Standard medium current. Source: File 2-1\", img: uploadPath + \"ansi-bushing-125a-417a-dimensions.webp\", alt: \"ANSI 125A-417A bushing\", headers: [\"Code\", \"Model\", \"H\", \"h2\", \"Md\", \"h1\", \"Creep\", \"Shields\", \"kg\"], rows: [[\"AM.MEA.022\", \"ANSI-15\/125\", \"448\", \"224\", \"3\/8\\\"-16\", \"156\", \"310\", \"-\", \"2.8\"],[\"AM.MEA.023\", \"ANSI-15\/250\", \"453\", \"229\", \"1\/2\\\"-13\", \"156\", \"310\", \"4 single\", \"2.9\"],[\"AM.MEB.007\", \"ANSI-15\/417\", \"458\", \"334\", \"5\/8\\\"-11\", \"156\", \"310\", \"-\", \"3.3\"],[\"AM.MFA.011\", \"ANSI-18\/125\", \"504\", \"224\", \"3\/8\\\"-16\", \"213\", \"480\", \"-\", \"3.6\"],[\"AM.MFA.012\", \"ANSI-18\/250\", \"509\", \"229\", \"1\/2\\\"-13\", \"213\", \"480\", \"7 single\", \"3.7\"],[\"AM.MFB.005\", \"ANSI-18\/417\", \"514\", \"234\", \"5\/8\\\"-11\", \"213\", \"480\", \"-\", \"4.1\"],[\"AM.MGA.017\", \"ANSI-25\/125\", \"560\", \"224\", \"3\/8\\\"-16\", \"269\", \"775\", \"-\", \"4.7\"],[\"AM.MGA.018\", \"ANSI-25\/250\", \"565\", \"229\", \"1\/2\\\"-13\", \"269\", \"775\", \"10 single\", \"4.8\"],[\"AM.MGB.006\", \"ANSI-25\/417\", \"570\", \"234\", \"5\/8\\\"-11\", \"269\", \"775\", \"-\", \"5.3\"],[\"AM.MGA.015\", \"ANSI-27\/125\", \"688\", \"277\", \"3\/8\\\"-16\", \"344\", \"830\", \"-\", \"5.2\"],[\"AM.MGA.016\", \"ANSI-27\/250\", \"693\", \"282\", \"1\/2\\\"-13\", \"344\", \"830\", \"11 single\", \"5.4\"],[\"AM.MGB.005\", \"ANSI-27\/417\", \"698\", \"287\", \"5\/8\\\"-11\", \"344\", \"830\", \"-\", \"5.8\"],[\"AM.MJA.004\", \"ANSI-38\/125\", \"845\", \"320\", \"3\/8\\\"-16\", \"457\", \"1140\", \"-\", \"6.6\"],[\"AM.MJA.006\", \"ANSI-38\/250\", \"850\", \"325\", \"1\/2\\\"-13\", \"457\", \"1140\", \"15 single\", \"6.8\"],[\"AM.MJB.003\", \"ANSI-38\/417\", \"855\", \"330\", \"5\/8\\\"-11\", \"457\", \"1140\", \"-\", \"7.2\"]] },\n    'ansi-3': { title: \"ANSI 15kV - 38kV \/ 417A - 660A Series\", desc: \"High current heavy duty. Source: File 2-2\", img: uploadPath + \"ansi-bushing-417a-660a-dimensions.webp\", alt: \"ANSI 417A-660A bushing\", headers: [\"Code\", \"Model\", \"H\", \"h2\", \"Md\", \"B1xB2\", \"h1\", \"Creep\", \"kg\"], rows: [[\"AM.MEB.009\", \"ANSI-15\/417\", \"500\", \"234\", \"5\/8\\\"-11\", \"76.2x85\", \"156\", \"310\", \"3.8\"],[\"AM.MED.007\", \"ANSI-15\/660\", \"505\", \"239\", \"3\/4\\\"-10\", \"76.2x85\", \"156\", \"310\", \"4.5\"],[\"AM.MFB.007\", \"ANSI-18\/417\", \"557\", \"234\", \"5\/8\\\"-11\", \"76.2x85\", \"213\", \"480\", \"4.6\"],[\"AM.MFD.002\", \"ANSI-18\/660\", \"562\", \"239\", \"3\/4\\\"-10\", \"76.2x85\", \"213\", \"480\", \"5.3\"],[\"AM.MGB.009\", \"ANSI-25\/417\", \"613\", \"234\", \"5\/8\\\"-11\", \"76.2x85\", \"269\", \"775\", \"5.8\"],[\"AM.MGD.004\", \"ANSI-25\/660\", \"618\", \"239\", \"3\/4\\\"-10\", \"76.2x85\", \"269\", \"775\", \"6.5\"],[\"AM.MGB.010\", \"ANSI-27\/417\", \"741\", \"287\", \"5\/8\\\"-11\", \"76.2x85\", \"344\", \"830\", \"6.4\"],[\"AM.MGD.005\", \"ANSI-27\/660\", \"746\", \"292\", \"3\/4\\\"-10\", \"76.2x85\", \"344\", \"830\", \"6.9\"],[\"AM.MJB.005\", \"ANSI-38\/417\", \"897\", \"330\", \"5\/8\\\"-11\", \"76.2x85\", \"457\", \"1140\", \"7.8\"],[\"AM.MJD.002\", \"ANSI-38\/660\", \"902\", \"335\", \"3\/4\\\"-10\", \"76.2x85\", \"457\", \"1140\", \"9.5\"]] },\n    'ansi-4': { title: \"ANSI 15kV Special \/ Compact Series\", desc: \"Compact dimensions. Source: File 2-3\", img: uploadPath + \"ansi-bushing-compact-dimensions.webp\", alt: \"ANSI compact bushing\", headers: [\"Code\", \"Model\", \"H\", \"h2\", \"Md\", \"B1xB2\", \"h1\", \"Creep\", \"kg\"], rows: [[\"AM.MEA.032\", \"ANSI-15\/125\", \"321\", \"98\", \"3\/8\\\"-16\", \"-\", \"179\", \"331\", \"2.6\"],[\"AM.MEA.024\", \"ANSI-15\/125\", \"344\", \"98\", \"3\/8\\\"-16\", \"76.2x36\", \"179\", \"331\", \"2.8\"],[\"AM.MEA.025\", \"ANSI-15\/250\", \"349\", \"103\", \"1\/2\\\"-13\", \"76.2x36\", \"179\", \"331\", \"3.0\"],[\"AM.MEB.010\", \"ANSI-15\/417\", \"354\", \"108\", \"5\/8\\\"-11\", \"76.2x36\", \"179\", \"331\", \"3.5\"],[\"AM.MED.003\", \"ANSI-15\/660\", \"402\", \"113\", \"3\/4\\\"-10\", \"76.2x85\", \"179\", \"331\", \"4.5\"],[\"AM.MEA.033\", \"ANSI-15\/125\", \"339\", \"97\", \"3\/8\\\"-16\", \"-\", \"198\", \"406\", \"2.8\"],[\"AM.MEA.027\", \"ANSI-15\/250\", \"367\", \"102\", \"1\/2\\\"-13\", \"76.2x36\", \"198\", \"406\", \"3.2\"],[\"AM.MEB.011\", \"ANSI-15\/417\", \"372\", \"107\", \"5\/8\\\"-11\", \"76.2x36\", \"198\", \"406\", \"3.7\"]] },\n    'ansi-5': { title: \"ASTM FBD LV\/MV Series (2.5kV - 8.7kV)\", desc: \"High current range. Source: File 2-4\", img: uploadPath + \"astm-fbd-lvmv-dimensions.webp\", alt: \"ASTM FBD LV bushing\", headers: [\"Code\", \"Model\", \"H\", \"h2\", \"Md\", \"Flange E\", \"h1\", \"Creep\", \"kg\"], rows: [[\"AM.LBF.004\", \"FBD-2.5\/1000\", \"487\", \"221\", \"M30\", \"12.7\", \"66\", \"110\", \"8\"],[\"AM.LBJ.005\", \"FBD-2.5\/2000\", \"522\", \"256\", \"M42\", \"12.7\", \"66\", \"110\", \"9\"],[\"AM.LBL.004\", \"FBD-2.5\/3150\", \"537\", \"271\", \"M48\", \"12.7\", \"66\", \"110\", \"11\"],[\"AM.LBM.003\", \"FBD-2.5\/4000\", \"542\", \"286\", \"M52\", \"19.1\", \"66\", \"110\", \"13\"],[\"AM.LBN.003\", \"FBD-2.5\/5000\", \"552\", \"296\", \"M56\", \"25.4\", \"66\", \"110\", \"15\"],[\"AM.LCF.002\", \"FBD-5\/1000\", \"667\", \"356\", \"M30\", \"12.7\", \"111\", \"225\", \"9\"],[\"AM.LCJ.002\", \"FBD-5\/2000\", \"702\", \"391\", \"M42\", \"12.7\", \"111\", \"225\", \"13\"],[\"AM.LCL.001\", \"FBD-5\/3150\", \"717\", \"406\", \"M48\", \"12.7\", \"111\", \"225\", \"16\"],[\"AM.LDA.021\", \"FBD-8.7\/315\", \"457\", \"166\", \"M12\", \"9.6\", \"135\", \"220\", \"4\"],[\"AM.LDJ.007\", \"FBD-8.7\/2000\", \"572\", \"256\", \"M42\", \"12.7\", \"190\", \"260\", \"8\"]] },\n    'ansi-6': { title: \"ASTM FBD MV Series (15kV - 46kV)\", desc: \"Standard range. Source: File 2-5\", img: uploadPath + \"astm-fbd-mv-dimensions.webp\", alt: \"ASTM FBD MV bushing\", headers: [\"Code\", \"Model\", \"H\", \"h2\", \"Md\", \"Flange B1\", \"h1\", \"Creep\", \"kg\"], rows: [[\"AM.LEA.001\", \"FBD-15\/315\", \"637\", \"266\", \"M12\", \"88.9\", \"186\", \"420\", \"5\"],[\"AM.LEB.002\", \"FBD-15\/400\", \"642\", \"271\", \"M16\", \"88.9\", \"186\", \"420\", \"6\"],[\"AM.LED.002\", \"FBD-15\/630\", \"647\", \"276\", \"M20\", \"88.9\", \"186\", \"420\", \"7\"],[\"AM.LGA.002\", \"FBD-25\/315\", \"797\", \"266\", \"M12\", \"88.9\", \"346\", \"810\", \"7\"],[\"AM.LGB.001\", \"FBD-25\/400\", \"802\", \"271\", \"M16\", \"88.9\", \"346\", \"810\", \"8\"],[\"AM.LGA.003\", \"FBD-34.5\/315\", \"877\", \"266\", \"M12\", \"88.9\", \"426\", \"1000\", \"9\"],[\"AM.LFJ.023\", \"FBD-18\/2000\", \"752\", \"356\", \"M42\", \"101.6\", \"196\", \"490\", \"13\"],[\"AM.LGJ.001\", \"FBD-25\/2000\", \"822\", \"356\", \"M42\", \"101.6\", \"266\", \"720\", \"16\"],[\"AM.LGJ.002\", \"FBD-34.5\/2000\", \"912\", \"356\", \"M42\", \"101.6\", \"356\", \"960\", \"31\"],[\"AM.LJL.001\", \"FBD-46\/3150\", \"1007\", \"371\", \"M48\", \"101.6\", \"436\", \"1210\", \"40\"]] },\n    'ansi-7': { title: \"ASTM FBDW Heavy Series (25kV - 46kV)\", desc: \"Robust high voltage. Source: File 2-6\", img: uploadPath + \"astm-fbdw-heavy-dimensions.webp\", alt: \"ASTM FBDW bushing\", headers: [\"Code\", \"Model\", \"H\", \"h2\", \"Md\", \"Flange B1\", \"h1\", \"Creep\", \"kg\"], rows: [[\"AM.LGF.005\", \"FBDW-25\/1000\", \"657\", \"221\", \"M30\", \"101.6\", \"236\", \"710\", \"10\"],[\"AM.LGJ.005\", \"FBDW-25\/2000\", \"692\", \"256\", \"M42\", \"101.6\", \"236\", \"710\", \"14\"],[\"AM.LGL.005\", \"FBDW-25\/3150\", \"707\", \"271\", \"M48\", \"101.6\", \"236\", \"710\", \"17\"],[\"AM.LGJ.006\", \"FBDW-34.5\/2000\", \"1142\", \"586\", \"M42\", \"101.6\", \"356\", \"1030\", \"18\"],[\"AM.LGF.008\", \"FBDW-34.5\/1000\", \"1167\", \"551\", \"M30\", \"101.6\", \"416\", \"1210\", \"20\"],[\"AM.LJA.002\", \"FBD-46\/315\", \"897\", \"236\", \"M12\", \"88.9\", \"476\", \"1370\", \"26\"],[\"AM.LJD.001\", \"FBD-46\/630\", \"907\", \"246\", \"M20\", \"88.9\", \"476\", \"1370\", \"30\"]] },\n\n    \/\/ --- DIN GROUP ---\n    'din-1': { title: \"DIN Draw-lead Type (12-36kV)\", desc: \"DIN 42531 standard\", img: uploadPath + \"din-bushing-draw-lead-dimensions.webp\", alt: \"DIN 42531 bushing\", headers: [\"Model\", \"H\", \"h2\", \"h3\", \"Md\", \"d1\", \"d3\", \"d4\", \"d0\", \"h1\", \"Creep\", \"Shields\", \"kg\"], rows: [[\"DIN-12\/250\", \"367\", \"250\", \"65\", \"M12x1.75\", \"140\", \"50\", \"148\", \"78\", \"174\", \"300\", \"2 single\", \"5\"],[\"DIN-12\/630\", \"400\", \"246\", \"65\", \"M20x2.5\", \"150\", \"60\", \"175\", \"92\", \"174\", \"310\", \"-\", \"7.1\"],[\"DIN-24\/250\", \"457\", \"340\", \"80\", \"M12x1.75\", \"145\", \"50\", \"148\", \"78\", \"249\", \"445\", \"3 single\", \"6.8\"],[\"DIN-24\/630\", \"490\", \"336\", \"80\", \"M20x2.5\", \"160\", \"60\", \"175\", \"92\", \"249\", \"460\", \"-\", \"9.3\"],[\"DIN-36\/250\", \"557\", \"440\", \"80\", \"M12x1.75\", \"155\", \"50\", \"148\", \"78\", \"349\", \"610\", \"-\", \"7.8\"],[\"DIN-36\/630\", \"615\", \"461\", \"100\", \"M20x2.5\", \"180\", \"60\", \"175\", \"92\", \"354\", \"670\", \"4 single\", \"12\"]] },\n    'din-2': { title: \"DIN Rod Type (12-36kV)\", desc: \"DIN 42532 standard\", img: uploadPath + \"din-bushing-rod-type-dimensions.webp\", alt: \"DIN 42532 bushing\", headers: [\"Model\", \"H\", \"h2\", \"h3\", \"Md\", \"d1\", \"d3\", \"d4\", \"d0\", \"h1\", \"Creep\", \"Shields\", \"kg\"], rows: [[\"DIN-12\/250\", \"427\", \"125\", \"60\", \"M12x1.75\", \"140\", \"50\", \"148\", \"78\", \"174\", \"300\", \"2 single\", \"5.3\"],[\"DIN-12\/630\", \"475\", \"140\", \"75\", \"M20x2.5\", \"150\", \"60\", \"175\", \"92\", \"174\", \"310\", \"-\", \"8\"],[\"DIN-24\/250\", \"517\", \"140\", \"60\", \"M12x1.75\", \"145\", \"50\", \"148\", \"78\", \"249\", \"445\", \"3 single\", \"7.2\"],[\"DIN-24\/630\", \"565\", \"155\", \"75\", \"M20x2.5\", \"160\", \"60\", \"175\", \"92\", \"249\", \"460\", \"-\", \"10.4\"],[\"DIN-36\/250\", \"617\", \"140\", \"60\", \"M12x1.75\", \"155\", \"50\", \"148\", \"78\", \"349\", \"610\", \"4 single\", \"8.3\"]] },\n    'din-3': { title: \"DIN High Current (12-52kV)\", desc: \"DIN 42533 \/ 42534\", img: uploadPath + \"din-bushing-high-current-dimensions.webp\", alt: \"DIN high current bushing\", headers: [\"Model\", \"H\", \"h2\", \"h3\", \"Md\", \"d1\", \"d3\", \"E\", \"C\", \"d0\", \"h1\", \"Creep\", \"kg\"], rows: [[\"DIN-12\/1000\", \"637\", \"175\", \"85\", \"M30x2\", \"170\", \"100\", \"115\", \"166\", \"135\", \"320\", \"225\", \"18\"],[\"DIN-12\/2000\", \"737\", \"205\", \"115\", \"M42x3\", \"190\", \"120\", \"135\", \"167\", \"135\", \"300\", \"235\", \"23\"],[\"DIN-12\/3150\", \"772\", \"215\", \"125\", \"M48x3\", \"190\", \"120\", \"135\", \"167\", \"135\", \"300\", \"235\", \"29\"],[\"DIN-24\/1000\", \"722\", \"185\", \"85\", \"M30x2\", \"185\", \"100\", \"115\", \"241\", \"135\", \"450\", \"225\", \"18\"],[\"DIN-24\/2000\", \"822\", \"215\", \"115\", \"M42x3\", \"210\", \"120\", \"135\", \"242\", \"135\", \"500\", \"235\", \"29\"],[\"DIN-24\/3150\", \"857\", \"225\", \"125\", \"M48x3\", \"210\", \"120\", \"135\", \"242\", \"135\", \"500\", \"235\", \"33\"]] },\n    'din-4': { title: \"EN Standard Series (12-36kV)\", desc: \"EN high current\", img: uploadPath + \"en-bushing-dimensions.webp\", alt: \"EN standard bushing\", headers: [\"Model\", \"H\", \"h2\", \"h3\", \"Md\", \"d1\", \"d3\", \"d0\", \"h1\", \"Creep\", \"Shields\", \"kg\"], rows: [[\"EN-12\/1250 P4\", \"673\", \"188\", \"85\", \"M30x2\", \"210\", \"100\", \"110\", \"385\", \"385\", \"-\", \"18\"],[\"EN-12\/2000 P4\", \"773\", \"218\", \"115\", \"M42x3\", \"230\", \"120\", \"135\", \"385\", \"385\", \"2 single\", \"23\"],[\"EN-12\/3150 P4\", \"808\", \"228\", \"125\", \"M48x3\", \"230\", \"120\", \"135\", \"385\", \"385\", \"-\", \"29\"],[\"EN-24\/1250 P3\", \"738\", \"188\", \"85\", \"M30x2\", \"210\", \"100\", \"110\", \"620\", \"620\", \"-\", \"22\"],[\"EN-24\/2000 P3\", \"838\", \"218\", \"115\", \"M42x3\", \"230\", \"120\", \"135\", \"620\", \"620\", \"4 single\", \"35\"],[\"EN-24\/3150 P3\", \"873\", \"228\", \"125\", \"M48x3\", \"230\", \"120\", \"135\", \"620\", \"620\", \"-\", \"40\"]] },\n    'din-5': { title: \"Lightning Protection Series\", desc: \"Discharge bushing\", img: uploadPath + \"lightning-bushing-dimensions.webp\", alt: \"Lightning bushing\", headers: [\"Model\", \"H\", \"h2\", \"h3\", \"d1\", \"d2\", \"d4\", \"E\", \"C\", \"h1\", \"Creep\", \"kg\"], rows: [[\"BJLB-10\/315\", \"315\", \"208\", \"65\", \"115\", \"16\", \"42\", \"115\", \"50-70\", \"120\", \"320\", \"2.5\"],[\"BJLB-20\/315\", \"375\", \"268\", \"65\", \"115\", \"16\", \"42\", \"115\", \"50-120\", \"180\", \"380\", \"2.8\"],[\"BJLB-20\/315\", \"375\", \"268\", \"60\", \"115\", \"16\", \"42\", \"115\", \"50-120\", \"185\", \"430\", \"3.3\"],[\"BJLBW-20\/315\", \"385\", \"278\", \"65\", \"115\", \"16\", \"42\", \"115\", \"50-120\", \"190\", \"430\", \"3.6\"]] },\n\n    \/\/ --- EPOXY GROUP ---\n    'epoxy-1': {\n      title: \"200A Bushing Inserts (15\/25kV)\",\n      desc: \"Loadbreak Bushing Insert threads onto a standard 200A bushing well.\",\n      images: [\n        { src: uploadPath + \"zeeyielec-medium-voltage-transformer-epoxy-bushing-200A-15KV.webp\", alt: \"15kV 200A Bushing Insert\" },\n        { src: uploadPath + \"zeeyielec-medium-voltage-transformer-epoxy-bushing-200A-25KV.webp\", alt: \"25kV 200A Bushing Insert\" }\n      ],\n      headers: [\"Ordering Info\", \"Voltage Class\", \"Phase-to-Phase\", \"Phase-to-Ground\", \"AC Withstand\", \"BIL\", \"Current\", \"PD Level\"],\n      rows: [\n        [\"ZE 15-200 LBI\", \"15kV\", \"14.4kV\", \"8.3kV\", \"34kV (1min)\", \"95kV\", \"200A\", \"15kV (<10pc)\"],\n        [\"ZE 25-200 LBI\", \"25kV\", \"26.3kV\", \"15.2kV\", \"54kV (1min)\", \"125kV\", \"200A\", \"19kV (<10pc)\"]\n      ]\n    },\n    'epoxy-2': {\n      title: \"600A\/200A Reducing Tap Plug\",\n      desc: \"Converts a standard 600A deadbreak interface to a standard 200A loadbreak interface.\",\n      images: [\n        { src: uploadPath + \"zeeyielec-medium-voltage-transformer-Epoxy-bushing-600-200A-Reducing-Tap-Plug.webp\", alt: \"600A\/200A Reducing Tap Plug\" }\n      ],\n      headers: [\"Ordering Info\", \"Voltage Class\", \"600A Interface\", \"200A Interface\", \"AC Withstand\", \"BIL\"],\n      rows: [\n        [\"EN 15-600 LRTP\", \"15kV\", \"600A (25kA\/0.17s)\", \"200A (10kA\/0.17s)\", \"34kV (1min)\", \"95kV\"]\n      ]\n    },\n    'epoxy-3': {\n      title: \"600A Deadbreak Bushing (15\/24kV)\",\n      desc: \"Apparatus bushing designed for sidewall mounting in transformers and switchgear.\",\n      images: [\n        { src: uploadPath + \"zeeyielec-medium-voltage-transformer-Epoxy-bushing-600A-15kv.webp\", alt: \"15\/24kV 600A Deadbreak Bushing\" }\n      ],\n      headers: [\"Voltage Class\", \"Max Phase-Phase\", \"Current\", \"AC Withstand (5min)\", \"BIL\", \"Peak Current\"],\n      rows: [\n        [\"15\/24kV (25kV Class)\", \"15.2kV\", \"600A\", \"55kV\", \"125kV\", \"105kA\"]\n      ]\n    },\n    'epoxy-4': {\n      title: \"600A\/900A Deadbreak Bushing (35kV)\",\n      desc: \"Oil immersed 35kV deadbreak apparatus bushing.\",\n      images: [\n        { src: uploadPath + \"zeeyielec-medium-voltage-transformer-Epoxy-bushing-600A-35kv.webp\", alt: \"35kV 600A Deadbreak Bushing\" }\n      ],\n      headers: [\"Rated Voltage\", \"Current\", \"AC Withstand (1min)\", \"BIL\", \"Corona Level\", \"Short Time Current\"],\n      rows: [\n        [\"35kV\", \"600A \/ 900A\", \"50kV\", \"150kV\", \"26kV\", \"25kA\/0.17s\"]\n      ]\n    }\n  };\n\n  \/\/ \u903b\u8f91\u63a7\u5236\n  function switchSec3Tab(type, btn) {\n    document.querySelectorAll('.sec3-tab-btn').forEach(b => b.classList.remove('active'));\n    btn.classList.add('active');\n    ['ansi', 'din', 'epoxy'].forEach(p => {\n      document.getElementById('sec3-' + p + '-panel').classList.add('sec3-hidden');\n    });\n    document.getElementById('sec3-' + type + '-panel').classList.remove('sec3-hidden');\n  }\n\n  function openSec3Modal(id) {\n    const data = sec3Data[id];\n    if(!data) return;\n\n    document.getElementById('modal-title').innerText = data.title;\n    document.getElementById('modal-desc').innerText = data.desc;\n\n    \/\/ \u8868\u683c\u751f\u6210\n    let tableHtml = `<thead><tr>`;\n    data.headers.forEach(h => tableHtml += `<th>${h}<\/th>`);\n    tableHtml += `<\/tr><\/thead><tbody>`;\n    \n    data.rows.forEach(row => {\n      tableHtml += `<tr>`;\n      row.forEach(cell => tableHtml += `<td>${cell}<\/td>`);\n      tableHtml += `<\/tr>`;\n    });\n    tableHtml += `<\/tbody>`;\n    document.getElementById('modal-table').innerHTML = tableHtml;\n\n    \/\/ \u56fe\u7247\u5904\u7406 (\u652f\u6301\u591a\u56fe)\n    const imgContainer = document.getElementById('modal-img-container');\n    imgContainer.innerHTML = ''; \/\/ \u6e05\u7a7a\u65e7\u56fe\u7247\n\n    if (data.images && data.images.length > 0) {\n        data.images.forEach(imgObj => {\n            const img = document.createElement('img');\n            img.src = imgObj.src;\n            img.alt = imgObj.alt;\n            \/\/ \u5982\u679c\u53ea\u6709\u4e00\u5f20\u56fe\uff0c\u6700\u5927\u5bbd\u5ea6 100%\uff1b\u5982\u679c\u6709\u4e24\u5f20\uff0c\u5bbd\u5ea6\u7ea6 48% \u5e76\u6392\u663e\u793a\n            img.style.maxWidth = data.images.length > 1 ? \"48%\" : \"100%\";\n            imgContainer.appendChild(img);\n        });\n        imgContainer.style.display = 'flex';\n    } else if (data.img && data.img !== \"\") {\n        \/\/ \u517c\u5bb9\u65e7\u6570\u636e\u7ed3\u6784 (ANSI\/DIN)\n        const img = document.createElement('img');\n        img.src = data.img;\n        img.alt = data.alt;\n        img.style.maxWidth = \"100%\";\n        imgContainer.appendChild(img);\n        imgContainer.style.display = 'flex';\n    } else {\n        \/\/ \u65e0\u56fe\u7247\u65f6\u9690\u85cf\u533a\u57df\n        imgContainer.style.display = 'none';\n    }\n\n    document.getElementById('sec3-modal').classList.add('open');\n    document.body.style.overflow = 'hidden';\n  }\n\n  function closeSec3Modal() {\n    document.getElementById('sec3-modal').classList.remove('open');\n    document.body.style.overflow = '';\n  }\n\n  document.getElementById('sec3-modal').addEventListener('click', function(e) {\n    if (e.target === this) closeSec3Modal();\n  });\n<\/script>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-fed2104\" data-block-id=\"fed2104\"><style>.stk-fed2104 {z-index:10 !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-fed2104-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-421d8b9\" data-v=\"4\" data-block-id=\"421d8b9\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-421d8b9-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-421d8b9-inner-blocks\">\n<!-- SEC4: Engineering Notes Module (\u7eaf CSS \u7248\uff0c\u65e0\u5916\u90e8\u4f9d\u8d56) -->\n<style>\n    \/* \u5bb9\u5668\u4e0e\u57fa\u7840\u6392\u7248 *\/\n    .sec4-section {\n        background-color: #F8FAFC;\n        padding: 3rem 1rem;\n        border-top: 1px solid #E2E8F0;\n        font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, \"Helvetica Neue\", Arial, sans-serif;\n        color: #334155;\n        line-height: 1.5;\n    }\n    .sec4-max-w {\n        max-width: 80rem; \/* max-w-7xl *\/\n        margin: 0 auto;\n        padding: 0 1rem;\n    }\n    \n    \/* \u5934\u90e8\u6837\u5f0f *\/\n    .sec4-header {\n        max-width: 48rem;\n        margin-bottom: 2.5rem;\n    }\n    .sec4-eyebrow {\n        display: block;\n        color: #78d3ca; \/* \u5f3a\u8c03\u8272 *\/\n        font-weight: 700;\n        letter-spacing: 0.05em;\n        text-transform: uppercase;\n        font-size: 0.75rem;\n        margin-bottom: 0.5rem;\n    }\n    .sec4-title {\n        font-size: 1.5rem;\n        font-weight: 700;\n        color: #102136;\n        margin: 0 0 0.75rem 0;\n        line-height: 1.2;\n    }\n    .sec4-desc {\n        color: #64748B;\n        font-size: 0.875rem;\n        margin: 0;\n    }\n\n    \/* \u5e03\u5c40\u7cfb\u7edf (Grid\/Flex \u6a21\u62df) *\/\n    .sec4-layout {\n        display: flex;\n        flex-direction: column;\n        gap: 1.5rem;\n    }\n    \n    \/* \u5361\u7247\u901a\u7528\u6837\u5f0f *\/\n    .sec4-card {\n        background-color: #ffffff;\n        border: 1px solid #E2E8F0;\n        border-radius: 0.75rem; \/* 12px *\/\n        overflow: hidden;\n        box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);\n    }\n\n    \/* \u8868\u683c\u6837\u5f0f *\/\n    .sec4-table-wrap {\n        overflow-x: auto;\n    }\n    .sec4-table {\n        width: 100%;\n        text-align: left;\n        font-size: 0.875rem;\n        border-collapse: collapse;\n        white-space: nowrap;\n    }\n    .sec4-card-header {\n        padding: 1rem 1.5rem;\n        border-bottom: 1px solid #E2E8F0;\n        background-color: #fff;\n    }\n    .sec4-card-title {\n        color: #102136;\n        font-weight: 600;\n        font-size: 0.875rem;\n        text-transform: uppercase;\n        letter-spacing: 0.025em;\n        margin: 0;\n    }\n    .sec4-th {\n        background-color: #F8FAFC;\n        color: #64748B;\n        font-weight: 500;\n        padding: 0.75rem 1rem; \/* px-4 py-3 *\/\n        border-bottom: 1px solid #E2E8F0;\n    }\n    .sec4-td {\n        padding: 0.875rem 1rem;\n        border-bottom: 1px solid #E2E8F0;\n        color: #334155;\n    }\n    .sec4-tr:hover td {\n        background-color: #f8fafc80; \/* \u8f7b\u5fae hover \u6548\u679c *\/\n    }\n    .sec4-td-strong {\n        font-weight: 600;\n        color: #102136;\n    }\n    .sec4-td-caution {\n        color: #64748B;\n        font-size: 0.75rem;\n        font-style: italic;\n    }\n\n    \/* \u6e05\u5355\u6837\u5f0f *\/\n    .sec4-checklist-box {\n        padding: 1.5rem;\n        height: 100%; \/* fill height *\/\n        box-sizing: border-box;\n        display: flex;\n        flex-direction: column;\n        justify-content: center;\n    }\n    .sec4-list {\n        list-style: none;\n        padding: 0;\n        margin: 0;\n    }\n    .sec4-list-item {\n        display: flex;\n        align-items: flex-start;\n        gap: 0.75rem;\n        margin-bottom: 0.75rem;\n    }\n    .sec4-list-item:last-child {\n        margin-bottom: 0;\n    }\n    .sec4-icon {\n        width: 1.25rem;\n        height: 1.25rem;\n        color: #78d3ca;\n        flex-shrink: 0;\n        margin-top: 0.125rem;\n    }\n    .sec4-item-text {\n        font-size: 0.875rem;\n        color: #334155;\n    }\n\n    \/* \u54cd\u5e94\u5f0f\u65ad\u70b9 (Desktop) *\/\n    @media (min-width:1000px) {\n        .sec4-section { padding: 4rem 0; }\n        .sec4-title { font-size: 1.875rem; }\n        .sec4-desc { font-size: 1rem; }\n        .sec4-layout {\n            flex-direction: row;\n            align-items: flex-start;\n            gap: 2rem;\n        }\n        \/* \u6a21\u62df Grid Col 7 *\/\n        .sec4-col-main {\n            width: 58.33%;\n            flex-grow: 1;\n        }\n        \/* \u6a21\u62df Grid Col 5 *\/\n        .sec4-col-side {\n            width: 41.67%;\n            flex-shrink: 0;\n        }\n        .sec4-table { white-space: normal; } \/* \u684c\u9762\u7aef\u5141\u8bb8\u6362\u884c *\/\n    }\n<\/style>\n\n<section class=\"sec4-section\">\n    <div class=\"sec4-max-w\">\n        \n        <!-- Header Group -->\n        <div class=\"sec4-header\">\n            <span class=\"sec4-eyebrow\">\n                Engineering Validation\n            <\/span>\n            <h2 class=\"sec4-title\">\n                Engineering Notes for ANSI \/ DIN \/ Epoxy Selection\n            <\/h2>\n            <p class=\"sec4-desc\">\n                SEC3 provides model-level data and configuration details. This section adds quick cross-family guidance and installation checks before final RFQ confirmation.\n            <\/p>\n        <\/div>\n\n        <!-- Content Layout -->\n        <div class=\"sec4-layout\">\n            \n            <!-- Module A: Cross-Family Quick Comparison -->\n            <div class=\"sec4-card sec4-col-main\">\n                <div class=\"sec4-card-header\">\n                    <h3 class=\"sec4-card-title\">Quick Comparison<\/h3>\n                <\/div>\n                <div class=\"sec4-table-wrap\">\n                    <table class=\"sec4-table\">\n                        <thead>\n                            <tr>\n                                <th class=\"sec4-th\" style=\"width: 15%\">Family<\/th>\n                                <th class=\"sec4-th\" style=\"width: 20%\">Typical Strength<\/th>\n                                <th class=\"sec4-th\" style=\"width: 20%\">Best-fit Scenario<\/th>\n                                <th class=\"sec4-th\" style=\"width: 20%\">Interface Focus<\/th>\n                                <th class=\"sec4-th\" style=\"width: 25%; color:#102136;\">Eng. Caution<\/th>\n                            <\/tr>\n                        <\/thead>\n                        <tbody>\n                            <!-- Row 1: ANSI -->\n                            <tr class=\"sec4-tr\">\n                                <td class=\"sec4-td sec4-td-strong\">ANSI<\/td>\n                                <td class=\"sec4-td\">High Cantilever<\/td>\n                                <td class=\"sec4-td\">N. American Grid<\/td>\n                                <td class=\"sec4-td\">Top-clamp \/ Stud<\/td>\n                                <td class=\"sec4-td sec4-td-caution\">Heavy mechanical load sizing required.<\/td>\n                            <\/tr>\n                            <!-- Row 2: DIN -->\n                            <tr class=\"sec4-tr\">\n                                <td class=\"sec4-td sec4-td-strong\">DIN<\/td>\n                                <td class=\"sec4-td\">Standard IEC<\/td>\n                                <td class=\"sec4-td\">Global \/ Euro Grid<\/td>\n                                <td class=\"sec4-td\">Plug-in \/ Draw-lead<\/td>\n                                <td class=\"sec4-td sec4-td-caution\">Watch for oil leakage sealing specs.<\/td>\n                            <\/tr>\n                            <!-- Row 3: Epoxy -->\n                            <tr class=\"sec4-tr\">\n                                <td class=\"sec4-td sec4-td-strong\">Epoxy<\/td>\n                                <td class=\"sec4-td\">High Rigidity<\/td>\n                                <td class=\"sec4-td\">Indoor Switchgear<\/td>\n                                <td class=\"sec4-td\">Embedded \/ Busbar<\/td>\n                                <td class=\"sec4-td sec4-td-caution\">Verify UV stability if used outdoors.<\/td>\n                            <\/tr>\n                        <\/tbody>\n                    <\/table>\n                <\/div>\n            <\/div>\n\n            <!-- Module B: Project Compatibility Checklist -->\n            <div class=\"sec4-card sec4-col-side\">\n                <div class=\"sec4-checklist-box\">\n                    <h3 class=\"sec4-card-title\" style=\"margin-bottom: 1rem; padding-bottom: 0.5rem; border-bottom: 1px solid #E2E8F0;\">\n                        Project Compatibility Checklist\n                    <\/h3>\n                    \n                    <ul class=\"sec4-list\">\n                        <!-- Checklist Items -->\n                        <li class=\"sec4-list-item\">\n                            <svg class=\"sec4-icon\" fill=\"none\" stroke=\"currentColor\" viewBox=\"0 0 24 24\"><path stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" d=\"M5 13l4 4L19 7\"><\/path><\/svg>\n                            <span class=\"sec4-item-text\">Voltage class &#038; insulation level match<\/span>\n                        <\/li>\n                        <li class=\"sec4-list-item\">\n                            <svg class=\"sec4-icon\" fill=\"none\" stroke=\"currentColor\" viewBox=\"0 0 24 24\"><path stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" d=\"M5 13l4 4L19 7\"><\/path><\/svg>\n                            <span class=\"sec4-item-text\">Current duty match (Continuous\/Overload)<\/span>\n                        <\/li>\n                        <li class=\"sec4-list-item\">\n                            <svg class=\"sec4-icon\" fill=\"none\" stroke=\"currentColor\" viewBox=\"0 0 24 24\"><path stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" d=\"M5 13l4 4L19 7\"><\/path><\/svg>\n                            <span class=\"sec4-item-text\">Mounting \/ opening dimension check<\/span>\n                        <\/li>\n                        <li class=\"sec4-list-item\">\n                            <svg class=\"sec4-icon\" fill=\"none\" stroke=\"currentColor\" viewBox=\"0 0 24 24\"><path stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" d=\"M5 13l4 4L19 7\"><\/path><\/svg>\n                            <span class=\"sec4-item-text\">Thread \/ Interface compatibility<\/span>\n                        <\/li>\n                        <li class=\"sec4-list-item\">\n                            <svg class=\"sec4-icon\" fill=\"none\" stroke=\"currentColor\" viewBox=\"0 0 24 24\"><path stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" d=\"M5 13l4 4L19 7\"><\/path><\/svg>\n                            <span class=\"sec4-item-text\">Creepage target by environment<\/span>\n                        <\/li>\n                        <li class=\"sec4-list-item\">\n                            <svg class=\"sec4-icon\" fill=\"none\" stroke=\"currentColor\" viewBox=\"0 0 24 24\"><path stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" d=\"M5 13l4 4L19 7\"><\/path><\/svg>\n                            <span class=\"sec4-item-text\">Accessory compatibility confirmation<\/span>\n                        <\/li>\n                         <li class=\"sec4-list-item\">\n                            <svg class=\"sec4-icon\" fill=\"none\" stroke=\"currentColor\" viewBox=\"0 0 24 24\"><path stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" d=\"M5 13l4 4L19 7\"><\/path><\/svg>\n                            <span class=\"sec4-item-text\">Drawing revision &#038; QA confirmation<\/span>\n                        <\/li>\n                    <\/ul>\n                <\/div>\n            <\/div>\n            \n        <\/div>\n    <\/div>\n<\/section>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-6676db3\" data-block-id=\"6676db3\"><style>.stk-6676db3 {z-index:10 !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-6676db3-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-a332a54\" data-v=\"4\" data-block-id=\"a332a54\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-a332a54-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-a332a54-inner-blocks\">\n<!-- =========================================================================\n     SEC5: Why ZeeyiElec (Medium Voltage Bushings)\n     \u6df1\u8272\u54c1\u724c\u80fd\u529b\u9694\u65ad\u5c42 - \u4e0e SEC1\/SEC2\/SEC3 \u914d\u8272\u548c\u8bed\u6c14\u4e00\u81f4\n     \u590d\u5236\u5230 WordPress Gutenberg \"Custom HTML\" \u533a\u5757\n     ========================================================================= -->\n\n<style>\n    .sec5-wrapper {\n        --trust-bg-dark: #102136;\n        --trust-bg-grad: #0d1b2a;\n        --trust-card-bg: rgba(255, 255, 255, 0.03);\n        --trust-border: rgba(255, 255, 255, 0.1);\n        --trust-text-white: #ffffff;\n        --trust-text-gray: #94a3b8;\n        --trust-cyan: #78d3ca;\n        --trust-cyan-hover: #5bbdb4;\n\n        font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, \"Helvetica Neue\", Arial, sans-serif;\n        line-height: 1.6;\n        color: var(--trust-text-white);\n        box-sizing: border-box;\n    }\n\n    .sec5-wrapper *, .sec5-wrapper *::before, .sec5-wrapper *::after {\n        box-sizing: inherit;\n    }\n\n    \/* --- Section --- *\/\n    .trust-section {\n        background-color: var(--trust-bg-dark);\n        background: linear-gradient(to bottom, var(--trust-bg-dark), var(--trust-bg-grad));\n        width: 100%;\n        padding-top: 6rem;\n        padding-bottom: 6rem;\n        position: relative;\n        overflow: hidden;\n    }\n\n    .trust-bg-pattern {\n        position: absolute;\n        inset: 0;\n        background-image: radial-gradient(var(--trust-border) 1px, transparent 1px);\n        background-size: 40px 40px;\n        opacity: 0.1;\n        pointer-events: none;\n    }\n\n    .trust-container {\n        width: 100%;\n        max-width: 1280px;\n        margin: 0 auto;\n        padding-left: 1.5rem;\n        padding-right: 1.5rem;\n        position: relative;\n        z-index: 10;\n        display: flex;\n        flex-direction: column;\n        align-items: center;\n    }\n\n    \/* --- Header --- *\/\n    .trust-header {\n        text-align: center;\n        max-width: 860px;\n        margin-bottom: 4rem;\n    }\n\n    .trust-eyebrow {\n        display: inline-block;\n        font-size: 0.875rem;\n        font-weight: 700;\n        letter-spacing: 0.05em;\n        color: var(--trust-cyan);\n        text-transform: uppercase;\n        margin-bottom: 1rem;\n        border: 1px solid rgba(120, 211, 202, 0.25);\n        padding: 0.25rem 0.75rem;\n        border-radius: 999px;\n        background-color: rgba(120, 211, 202, 0.06);\n    }\n\n    .trust-title {\n        font-size: 2.25rem;\n        font-weight: 700;\n        color: var(--trust-text-white);\n        margin: 0 0 1.5rem 0;\n        line-height: 1.2;\n        letter-spacing: -0.01em;\n    }\n\n    .trust-intro {\n        font-size: 1.125rem;\n        color: var(--trust-text-gray);\n        margin: 0;\n        line-height: 1.7;\n    }\n\n    \/* --- Cards --- *\/\n    .trust-grid {\n        display: grid;\n        grid-template-columns: 1fr;\n        gap: 1.5rem;\n        width: 100%;\n        margin-bottom: 4rem;\n    }\n\n    .trust-card {\n        background-color: var(--trust-card-bg);\n        border: 1px solid var(--trust-border);\n        padding: 2rem;\n        border-radius: 8px;\n        transition: background-color 0.3s ease, transform 0.3s ease, border-color 0.3s ease;\n        display: flex;\n        flex-direction: column;\n        height: 100%;\n    }\n\n    .trust-card:hover {\n        background-color: rgba(255, 255, 255, 0.06);\n        border-color: rgba(255, 255, 255, 0.2);\n        transform: translateY(-2px);\n    }\n\n    .trust-card-marker {\n        width: 24px;\n        height: 2px;\n        background-color: var(--trust-cyan);\n        margin-bottom: 1.5rem;\n        opacity: 0.75;\n    }\n\n    .trust-card-title {\n        font-size: 1.2rem;\n        font-weight: 600;\n        color: var(--trust-text-white);\n        margin: 0 0 1rem 0;\n        line-height: 1.35;\n    }\n\n    .trust-card-desc {\n        font-size: 0.95rem;\n        color: var(--trust-text-gray);\n        margin: 0;\n        line-height: 1.65;\n    }\n\n    \/* --- CTA --- *\/\n    .trust-cta-wrapper {\n        text-align: center;\n    }\n\n    .trust-btn {\n        display: inline-flex;\n        align-items: center;\n        justify-content: center;\n        background-color: var(--trust-cyan);\n        color: #102136;\n        font-weight: 700;\n        font-size: 1rem;\n        padding: 1rem 2.5rem;\n        border-radius: 4px;\n        text-decoration: none;\n        transition: all 0.3s ease;\n        box-shadow: 0 0 15px rgba(120, 211, 202, 0.2);\n    }\n\n    .trust-btn:hover {\n        background-color: var(--trust-cyan-hover);\n        color: #ffffff;\n        box-shadow: 0 0 25px rgba(120, 211, 202, 0.4);\n        transform: translateY(-2px);\n    }\n\n    .trust-btn:focus-visible {\n        outline: 2px solid var(--trust-cyan);\n        outline-offset: 2px;\n    }\n\n    \/* --- Responsive --- *\/\n    @media (min-width: 640px) {\n        .trust-grid {\n            grid-template-columns: repeat(2, 1fr);\n        }\n    }\n\n    @media (min-width:1000px) {\n        .trust-grid {\n            grid-template-columns: repeat(3, 1fr);\n            gap: 2rem;\n        }\n\n        .trust-title {\n            font-size: 2.75rem;\n        }\n    }\n<\/style>\n\n<div class=\"sec5-wrapper\">\n    <section class=\"trust-section\">\n        <div class=\"trust-bg-pattern\"><\/div>\n\n        <div class=\"trust-container\">\n\n            <!-- Header -->\n            <div class=\"trust-header\">\n                <span class=\"trust-eyebrow\">Why ZeeyiElec<\/span>\n                <h2 class=\"trust-title\">Built for Reliable Bushing Supply, Technical Clarity, and Project Execution<\/h2>\n                <p class=\"trust-intro\">\n                    For medium voltage transformer bushing projects, performance depends not only on ratings but also on interface compatibility, process stability, and response speed. ZeeyiElec supports ANSI, DIN, and epoxy routes with engineering-oriented execution from model confirmation to batch delivery.\n                <\/p>\n            <\/div>\n\n            <!-- Capability Cards -->\n            <div class=\"trust-grid\">\n\n                <div class=\"trust-card\">\n                    <div class=\"trust-card-marker\"><\/div>\n                    <h3 class=\"trust-card-title\">Stable Material &#038; Process Control<\/h3>\n                    <p class=\"trust-card-desc\">Controlled porcelain and epoxy manufacturing workflow for repeatable insulation and interface performance.<\/p>\n                <\/div>\n\n                <div class=\"trust-card\">\n                    <div class=\"trust-card-marker\"><\/div>\n                    <h3 class=\"trust-card-title\">Specification-Driven Communication<\/h3>\n                    <p class=\"trust-card-desc\">Voltage class, current duty, dimensional interface, and mounting logic are aligned before quotation.<\/p>\n                <\/div>\n\n                <div class=\"trust-card\">\n                    <div class=\"trust-card-marker\"><\/div>\n                    <h3 class=\"trust-card-title\">Cross-Family Matching Support<\/h3>\n                    <p class=\"trust-card-desc\">Supports ANSI porcelain, DIN porcelain, and epoxy interface selection based on real project conditions.<\/p>\n                <\/div>\n\n                <div class=\"trust-card\">\n                    <div class=\"trust-card-marker\"><\/div>\n                    <h3 class=\"trust-card-title\">Batch Consistency for Projects<\/h3>\n                    <p class=\"trust-card-desc\">Dimensional and assembly consistency control for multi-unit transformer programs and repeat orders.<\/p>\n                <\/div>\n\n                <div class=\"trust-card\">\n                    <div class=\"trust-card-marker\"><\/div>\n                    <h3 class=\"trust-card-title\">Routine Verification Before Shipment<\/h3>\n                    <p class=\"trust-card-desc\">Core verification checks are completed before release to reduce field-side installation uncertainty.<\/p>\n                <\/div>\n\n                <div class=\"trust-card\">\n                    <div class=\"trust-card-marker\"><\/div>\n                    <h3 class=\"trust-card-title\">Responsive Engineering Follow-Up<\/h3>\n                    <p class=\"trust-card-desc\">Fast response for model matching, compatibility questions, and project-side specification adjustments.<\/p>\n                <\/div>\n\n            <\/div>\n\n            <!-- Primary CTA -->\n            <div class=\"trust-cta-wrapper\">\n                <a href=\"#ct-popup-862\" class=\"trust-btn\">Request Quote<\/a>\n            <\/div>\n\n        <\/div>\n    <\/section>\n<\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-9a631d7\" data-block-id=\"9a631d7\"><style>.stk-9a631d7 {z-index:10 !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-9a631d7-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-29746bf\" data-v=\"4\" data-block-id=\"29746bf\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-29746bf-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-29746bf-inner-blocks\">\n<!-- SEC7: Engineering Selection Guide (\u7eaf CSS \u7248\uff0c\u65e0\u5916\u90e8\u4f9d\u8d56\uff0cEmoji \u5df2\u66ff\u6362\u4e3a SVG) -->\n<style>\n    \/* \u5bb9\u5668\u4e0e\u57fa\u7840\u53d8\u91cf *\/\n    .sec7-wrapper {\n        --sel-bg: #F8FAFC;          \/* \u6574\u4f53\u80cc\u666f *\/\n        --sel-card-bg: #ffffff;     \/* \u5361\u7247\u80cc\u666f *\/\n        --sel-text-dark: #102136;   \/* \u6807\u9898\u6df1\u8272 *\/\n        --sel-text-body: #334155;   \/* \u6b63\u6587\u6df1\u7070 *\/\n        --sel-text-light: #64748B;  \/* \u8bf4\u660e\u6d45\u7070 *\/\n        --sel-border: #E2E8F0;      \/* \u8fb9\u6846\u8272 *\/\n        --sel-cyan: #78d3ca;        \/* \u54c1\u724c\u9752\u8272 *\/\n        --sel-red: #ef4444;         \/* \u8b66\u544a\u7ea2 *\/\n        --sel-teal: #0d9488;        \/* \u6210\u529f\/\u4fe1\u606f\u9752 *\/\n\n        font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, \"Helvetica Neue\", Arial, sans-serif;\n        line-height: 1.6;\n        color: var(--sel-text-body);\n        box-sizing: border-box;\n    }\n\n    .sec7-wrapper *, .sec7-wrapper *::before, .sec7-wrapper *::after {\n        box-sizing: inherit;\n    }\n\n    \/* --- Layout --- *\/\n    .sel-section {\n        background-color: var(--sel-bg);\n        width: 100%;\n        padding: 5rem 0;\n        border-top: 1px solid var(--sel-border);\n    }\n\n    .sel-container {\n        width: 100%;\n        max-width: 1280px;\n        margin: 0 auto;\n        padding: 0 1.5rem;\n    }\n\n    \/* --- Header --- *\/\n    .sel-header {\n        max-width: 860px;\n        margin-bottom: 4rem;\n    }\n\n    .sel-eyebrow {\n        display: block;\n        font-size: 0.75rem;\n        font-weight: 700;\n        letter-spacing: 0.05em;\n        color: var(--sel-cyan);\n        text-transform: uppercase;\n        margin-bottom: 0.75rem;\n    }\n\n    .sel-title {\n        font-size: 1.875rem; \/* 30px *\/\n        font-weight: 700;\n        color: var(--sel-text-dark);\n        margin: 0 0 1rem 0;\n        line-height: 1.2;\n    }\n\n    .sel-intro {\n        font-size: 1rem;\n        color: var(--sel-text-light);\n        margin: 0;\n        max-width: 70ch;\n        line-height: 1.6;\n    }\n\n    \/* --- Steps Process --- *\/\n    .steps-wrapper {\n        margin-bottom: 4rem;\n        position: relative;\n    }\n\n    .steps-grid {\n        display: grid;\n        grid-template-columns: 1fr; \/* Mobile default *\/\n        gap: 2rem;\n        position: relative;\n    }\n\n    \/* Mobile: Vertical Line *\/\n    .steps-grid::before {\n        content: '';\n        position: absolute;\n        top: 0;\n        bottom: 0;\n        left: 15px; \/* Align with marker center *\/\n        width: 2px;\n        background-color: var(--sel-border);\n        z-index: 0;\n    }\n\n    .step-item {\n        position: relative;\n        z-index: 1;\n        padding-left: 3.5rem; \/* Space for marker *\/\n    }\n\n    .step-marker {\n        position: absolute;\n        left: 0;\n        top: 0;\n        width: 32px;\n        height: 32px;\n        background-color: var(--sel-bg); \/* Match section bg to cut line *\/\n        border: 2px solid var(--sel-cyan);\n        border-radius: 50%;\n        color: var(--sel-text-dark);\n        font-weight: 700;\n        font-size: 0.875rem;\n        display: flex;\n        align-items: center;\n        justify-content: center;\n        z-index: 2;\n    }\n\n    .step-card {\n        background-color: var(--sel-card-bg);\n        border: 1px solid var(--sel-border);\n        border-radius: 0.75rem;\n        padding: 1.5rem;\n        transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;\n    }\n\n    .step-card:hover {\n        transform: translateY(-2px);\n        box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);\n        border-color: var(--sel-cyan);\n    }\n\n    .step-title {\n        font-size: 1rem;\n        font-weight: 600;\n        color: var(--sel-text-dark);\n        margin: 0 0 0.5rem 0;\n    }\n\n    .step-desc {\n        font-size: 0.875rem;\n        color: var(--sel-text-body);\n        margin: 0;\n        line-height: 1.5;\n    }\n\n    .highlight-text {\n        color: var(--sel-text-dark);\n        font-weight: 600;\n        background-color: #f1f5f9;\n        padding: 0 4px;\n        border-radius: 4px;\n    }\n\n    \/* --- Bottom Grid (Mistakes & RFQ) --- *\/\n    .bottom-grid {\n        display: grid;\n        grid-template-columns: 1fr;\n        gap: 2rem;\n    }\n\n    .info-card {\n        background-color: var(--sel-card-bg);\n        border: 1px solid var(--sel-border);\n        border-radius: 0.75rem;\n        padding: 2rem;\n        height: 100%;\n        display: flex;\n        flex-direction: column;\n    }\n\n    \/* Mistakes Card specific styles *\/\n    .card-mistakes {\n        border-top: 4px solid var(--sel-red);\n    }\n\n    \/* RFQ Card specific styles *\/\n    .card-rfq {\n        border-top: 4px solid var(--sel-teal);\n    }\n\n    .card-header {\n        display: flex;\n        align-items: center;\n        gap: 0.75rem;\n        margin-bottom: 1.5rem;\n        padding-bottom: 1rem;\n        border-bottom: 1px solid var(--sel-border);\n    }\n\n    .card-icon {\n        width: 1.5rem;\n        height: 1.5rem;\n        flex-shrink: 0;\n    }\n    \n    .icon-warn { color: var(--sel-red); }\n    .icon-check { color: var(--sel-teal); }\n\n    .card-title {\n        font-size: 1.125rem;\n        font-weight: 600;\n        color: var(--sel-text-dark);\n        margin: 0;\n    }\n\n    .custom-list {\n        list-style: none;\n        padding: 0;\n        margin: 0;\n    }\n\n    .list-item {\n        display: flex;\n        align-items: flex-start;\n        gap: 0.75rem;\n        margin-bottom: 1rem;\n        font-size: 0.95rem;\n        color: var(--sel-text-body);\n    }\n\n    .list-item:last-child { margin-bottom: 0; }\n\n    .list-bullet-icon {\n        width: 1.25rem;\n        height: 1.25rem;\n        flex-shrink: 0;\n        margin-top: 0.15rem; \/* align with text top *\/\n    }\n\n    .bullet-red { color: var(--sel-red); opacity: 0.8; }\n    .bullet-teal { color: var(--sel-teal); opacity: 0.8; }\n\n\n    \/* --- Responsive (Desktop) --- *\/\n    @media (min-width:1000px) {\n        .sel-title { font-size: 2.25rem; } \/* 36px *\/\n\n        .steps-grid {\n            grid-template-columns: repeat(5, 1fr);\n            gap: 1.5rem;\n        }\n\n        \/* Reset Mobile Vertical Line *\/\n        .steps-grid::before {\n            top: 24px; \/* Align with horizontal markers *\/\n            left: 20px; \n            right: 20px;\n            bottom: auto;\n            width: auto;\n            height: 2px;\n        }\n\n        .step-item {\n            padding-left: 0;\n            padding-top: 3.5rem; \/* Space for marker *\/\n            display: flex;\n            flex-direction: column;\n            align-items: center;\n            text-align: center;\n        }\n\n        .step-marker {\n            left: 50%;\n            transform: translateX(-50%);\n            top: 8px; \/* Adjust to sit on line *\/\n        }\n        \n        .step-card {\n            width: 100%;\n            height: 100%; \/* Equal height *\/\n            display: flex;\n            flex-direction: column;\n            justify-content: flex-start;\n        }\n\n        .bottom-grid {\n            grid-template-columns: 1fr 1fr;\n            gap: 2rem;\n        }\n    }\n<\/style>\n\n<div class=\"sec7-wrapper\">\n    <section class=\"sel-section\">\n        <div class=\"sel-container\">\n\n            <!-- 1. Header -->\n            <div class=\"sel-header\">\n                <span class=\"sel-eyebrow\">Engineering Selection<\/span>\n                <h2 class=\"sel-title\">How to Select the Right Medium Voltage Transformer Bushing<\/h2>\n                <p class=\"sel-intro\">\n                    Use this step-by-step guide to confirm standard system, voltage\/current duty, interface compatibility, and installation boundaries before RFQ submission.\n                <\/p>\n            <\/div>\n\n            <!-- 2. 5-Step Process -->\n            <div class=\"steps-wrapper\">\n                <div class=\"steps-grid\">\n\n                    <!-- Step 01 -->\n                    <div class=\"step-item\">\n                        <div class=\"step-marker\">01<\/div>\n                        <div class=\"step-card\">\n                            <h3 class=\"step-title\">Standard Route<\/h3>\n                            <p class=\"step-desc\">\n                                Select product family: <span class=\"highlight-text\">ANSI Porcelain<\/span>, <span class=\"highlight-text\">DIN Porcelain<\/span>, or <span class=\"highlight-text\">Epoxy<\/span>.\n                            <\/p>\n                        <\/div>\n                    <\/div>\n\n                    <!-- Step 02 -->\n                    <div class=\"step-item\">\n                        <div class=\"step-marker\">02<\/div>\n                        <div class=\"step-card\">\n                            <h3 class=\"step-title\">Voltage Class<\/h3>\n                            <p class=\"step-desc\">\n                                Verify insulation level (BIL) &#038; system class (typ. <span class=\"highlight-text\">12kV\u201352kV<\/span>).\n                            <\/p>\n                        <\/div>\n                    <\/div>\n\n                    <!-- Step 03 -->\n                    <div class=\"step-item\">\n                        <div class=\"step-marker\">03<\/div>\n                        <div class=\"step-card\">\n                            <h3 class=\"step-title\">Current Duty<\/h3>\n                            <p class=\"step-desc\">\n                                Match continuous current &#038; thermal duty (<span class=\"highlight-text\">55A\u20133150A<\/span>) with load profile.\n                            <\/p>\n                        <\/div>\n                    <\/div>\n\n                    <!-- Step 04 -->\n                    <div class=\"step-item\">\n                        <div class=\"step-marker\">04<\/div>\n                        <div class=\"step-card\">\n                            <h3 class=\"step-title\">Interface Check<\/h3>\n                            <p class=\"step-desc\">\n                                Validate thread type, mounting geometry, sealing, &#038; retrofit constraints.\n                            <\/p>\n                        <\/div>\n                    <\/div>\n\n                    <!-- Step 05 -->\n                    <div class=\"step-item\">\n                        <div class=\"step-marker\">05<\/div>\n                        <div class=\"step-card\">\n                            <h3 class=\"step-title\">Final Model<\/h3>\n                            <p class=\"step-desc\">\n                                Confirm variant, quantity, documents, &#038; target lead-time for RFQ.\n                            <\/p>\n                        <\/div>\n                    <\/div>\n\n                <\/div>\n            <\/div>\n\n            <!-- 3. Bottom Grid (Cards) -->\n            <div class=\"bottom-grid\">\n\n                <!-- Mistakes Card -->\n                <div class=\"info-card card-mistakes\">\n                    <div class=\"card-header\">\n                        <!-- SVG: Warning Icon -->\n                        <svg class=\"card-icon icon-warn\" fill=\"none\" stroke=\"currentColor\" viewBox=\"0 0 24 24\">\n                            <path stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2\" d=\"M12 9v2m0 4h.01m-6.938 4h13.856c1.54 0 2.502-1.667 1.732-3L13.732 4c-.77-1.333-2.694-1.333-3.464 0L3.34 16c-.77 1.333.192 3 1.732 3z\"><\/path>\n                        <\/svg>\n                        <h3 class=\"card-title\">Common Selection Mistakes<\/h3>\n                    <\/div>\n                    <ul class=\"custom-list\">\n                        <li class=\"list-item\">\n                            <!-- SVG: X Cross -->\n                            <svg class=\"list-bullet-icon bullet-red\" fill=\"none\" stroke=\"currentColor\" viewBox=\"0 0 24 24\">\n                                <path stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2\" d=\"M6 18L18 6M6 6l12 12\"><\/path>\n                            <\/svg>\n                            <span>Choosing by voltage only without confirming standard system &#038; interface compatibility.<\/span>\n                        <\/li>\n                        <li class=\"list-item\">\n                            <svg class=\"list-bullet-icon bullet-red\" fill=\"none\" stroke=\"currentColor\" viewBox=\"0 0 24 24\">\n                                <path stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2\" d=\"M6 18L18 6M6 6l12 12\"><\/path>\n                            <\/svg>\n                            <span>Ignoring mounting\/sealing boundaries during retrofit or cross-brand replacement.<\/span>\n                        <\/li>\n                        <li class=\"list-item\">\n                            <svg class=\"list-bullet-icon bullet-red\" fill=\"none\" stroke=\"currentColor\" viewBox=\"0 0 24 24\">\n                                <path stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2\" d=\"M6 18L18 6M6 6l12 12\"><\/path>\n                            <\/svg>\n                            <span>Mixing porcelain and epoxy assumptions in one RFQ without clear notes.<\/span>\n                        <\/li>\n                    <\/ul>\n                <\/div>\n\n                <!-- RFQ Card -->\n                <div class=\"info-card card-rfq\">\n                    <div class=\"card-header\">\n                        <!-- SVG: Clipboard List Icon -->\n                        <svg class=\"card-icon icon-check\" fill=\"none\" stroke=\"currentColor\" viewBox=\"0 0 24 24\">\n                            <path stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-3 7h3m-3 4h3m-6-4h.01M9 16h.01\"><\/path>\n                        <\/svg>\n                        <h3 class=\"card-title\">Information to Prepare Before RFQ<\/h3>\n                    <\/div>\n                    <ul class=\"custom-list\">\n                        <li class=\"list-item\">\n                            <!-- SVG: Checkmark -->\n                            <svg class=\"list-bullet-icon bullet-teal\" fill=\"none\" stroke=\"currentColor\" viewBox=\"0 0 24 24\">\n                                <path stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2\" d=\"M5 13l4 4L19 7\"><\/path>\n                            <\/svg>\n                            <span>Target family: ANSI porcelain \/ DIN porcelain \/ epoxy<\/span>\n                        <\/li>\n                        <li class=\"list-item\">\n                            <svg class=\"list-bullet-icon bullet-teal\" fill=\"none\" stroke=\"currentColor\" viewBox=\"0 0 24 24\">\n                                <path stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2\" d=\"M5 13l4 4L19 7\"><\/path>\n                            <\/svg>\n                            <span>Required voltage class &#038; insulation expectation<\/span>\n                        <\/li>\n                        <li class=\"list-item\">\n                            <svg class=\"list-bullet-icon bullet-teal\" fill=\"none\" stroke=\"currentColor\" viewBox=\"0 0 24 24\">\n                                <path stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2\" d=\"M5 13l4 4L19 7\"><\/path>\n                            <\/svg>\n                            <span>Current rating &#038; duty condition<\/span>\n                        <\/li>\n                        <li class=\"list-item\">\n                            <svg class=\"list-bullet-icon bullet-teal\" fill=\"none\" stroke=\"currentColor\" viewBox=\"0 0 24 24\">\n                                <path stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2\" d=\"M5 13l4 4L19 7\"><\/path>\n                            <\/svg>\n                            <span>Interface\/thread + installation boundary drawing<\/span>\n                        <\/li>\n                        <li class=\"list-item\">\n                            <svg class=\"list-bullet-icon bullet-teal\" fill=\"none\" stroke=\"currentColor\" viewBox=\"0 0 24 24\">\n                                <path stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2\" d=\"M5 13l4 4L19 7\"><\/path>\n                            <\/svg>\n                            <span>Quantity, destination market, &#038; target delivery window<\/span>\n                        <\/li>\n                    <\/ul>\n                <\/div>\n\n            <\/div>\n\n        <\/div>\n    <\/section>\n<\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-3ee1438\" data-block-id=\"3ee1438\"><style>.stk-3ee1438 {z-index:10 !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-3ee1438-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-5cca489\" data-v=\"4\" data-block-id=\"5cca489\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-5cca489-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-5cca489-inner-blocks\">\n<!-- SEC8: Quality Control & Documentation (\u7eaf CSS \u589e\u5f3a\u7248) -->\n<style>\n    \/* --- \u6838\u5fc3\u53d8\u91cf --- *\/\n    .sec8-wrapper {\n        --qc-bg: #F8FAFC;           \/* \u6574\u4f53\u80cc\u666f Slate-50 *\/\n        --qc-card-bg: #ffffff;      \/* \u5361\u7247\u80cc\u666f *\/\n        --qc-text-main: #0f172a;    \/* \u4e3b\u8981\u6587\u5b57 Slate-900 *\/\n        --qc-text-body: #334155;    \/* \u6b63\u6587\u6587\u5b57 Slate-700 *\/\n        --qc-text-muted: #64748b;   \/* \u5f31\u5316\u6587\u5b57 Slate-500 *\/\n        --qc-border: #e2e8f0;       \/* \u8fb9\u6846 Slate-200 *\/\n        \n        \/* \u54c1\u724c\/\u529f\u80fd\u8272 *\/\n        --qc-accent-teal: #0d9488;  \/* \u8d28\u91cf\/\u901a\u8fc7 Teal-600 *\/\n        --qc-accent-blue: #2563eb;  \/* \u6587\u6863\/\u4fe1\u606f Blue-600 *\/\n        --qc-accent-cyan: #78d3ca;  \/* \u88c5\u9970\u8272 *\/\n\n        font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, \"Helvetica Neue\", Arial, sans-serif;\n        line-height: 1.6;\n        color: var(--qc-text-body);\n        box-sizing: border-box;\n    }\n\n    .sec8-wrapper *, .sec8-wrapper *::before, .sec8-wrapper *::after {\n        box-sizing: inherit;\n    }\n\n    \/* --- \u5e03\u5c40\u5bb9\u5668 --- *\/\n    .qc-section {\n        background-color: var(--qc-bg);\n        padding: 5rem 0;\n        border-top: 1px solid var(--qc-border);\n    }\n\n    .qc-container {\n        width: 100%;\n        max-width: 1280px;\n        margin: 0 auto;\n        padding: 0 1.5rem;\n    }\n\n    \/* --- \u5934\u90e8\u533a\u57df --- *\/\n    .qc-header {\n        max-width: 800px;\n        margin-bottom: 4rem;\n    }\n\n    .qc-eyebrow {\n        display: inline-flex;\n        align-items: center;\n        gap: 0.5rem;\n        font-size: 0.75rem;\n        font-weight: 700;\n        letter-spacing: 0.05em;\n        color: var(--qc-accent-teal);\n        text-transform: uppercase;\n        margin-bottom: 0.75rem;\n        background: rgba(13, 148, 136, 0.1);\n        padding: 4px 12px;\n        border-radius: 99px;\n    }\n\n    .qc-title {\n        font-size: 1.875rem;\n        font-weight: 800;\n        color: var(--qc-text-main);\n        margin: 0 0 1rem 0;\n        line-height: 1.2;\n        letter-spacing: -0.02em;\n    }\n\n    .qc-intro {\n        font-size: 1.05rem;\n        color: var(--qc-text-muted);\n        max-width: 65ch;\n    }\n\n    \/* --- \u53cc\u680f\u7f51\u683c --- *\/\n    .qc-grid {\n        display: grid;\n        grid-template-columns: 1fr;\n        gap: 2rem;\n    }\n\n    \/* --- \u5361\u7247\u901a\u7528\u6837\u5f0f --- *\/\n    .qc-card {\n        background-color: var(--qc-card-bg);\n        border: 1px solid var(--qc-border);\n        border-radius: 1rem;\n        padding: 2rem;\n        box-shadow: 0 1px 3px rgba(0,0,0,0.05);\n        transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;\n        height: 100%;\n        display: flex;\n        flex-direction: column;\n    }\n\n    .qc-card:hover {\n        transform: translateY(-4px);\n        box-shadow: 0 12px 24px -8px rgba(0, 0, 0, 0.08);\n        border-color: #cbd5e1;\n    }\n\n    .qc-card-header {\n        margin-bottom: 2rem;\n        padding-bottom: 1rem;\n        border-bottom: 1px solid var(--qc-border);\n        display: flex;\n        align-items: center;\n        gap: 0.75rem;\n    }\n\n    .qc-card-title {\n        font-size: 1.25rem;\n        font-weight: 700;\n        color: var(--qc-text-main);\n        margin: 0;\n    }\n\n    \/* \u5de6\u4fa7\u88c5\u9970\uff1a\u7eff\u8272\u5706\u70b9\u547c\u5438\u706f *\/\n    .indicator-dot {\n        width: 10px;\n        height: 10px;\n        background-color: var(--qc-accent-teal);\n        border-radius: 50%;\n        box-shadow: 0 0 0 2px rgba(13, 148, 136, 0.2);\n    }\n\n    \/* \u53f3\u4fa7\u88c5\u9970\uff1a\u84dd\u8272\u6587\u4ef6\u5939\u56fe\u6807 *\/\n    .indicator-icon {\n        color: var(--qc-accent-blue);\n        width: 20px;\n        height: 20px;\n    }\n\n    \/* --- \u5de6\u4fa7\uff1a\u8d28\u91cf\u65f6\u95f4\u8f74 (Timeline) --- *\/\n    .qc-timeline {\n        list-style: none;\n        padding: 0;\n        margin: 0;\n        position: relative;\n    }\n\n    \/* \u7ad6\u7ebf *\/\n    .qc-timeline::before {\n        content: '';\n        position: absolute;\n        top: 10px;\n        bottom: 20px;\n        left: 19px; \/* \u8c03\u6574\u7ad6\u7ebf\u4f4d\u7f6e *\/\n        width: 2px;\n        background-color: var(--qc-border);\n        z-index: 0;\n    }\n\n    .qc-step {\n        position: relative;\n        padding-left: 3.5rem; \/* \u4e3a\u56fe\u6807\u7559\u51fa\u7a7a\u95f4 *\/\n        margin-bottom: 2rem;\n        z-index: 1;\n    }\n\n    .qc-step:last-child {\n        margin-bottom: 0;\n    }\n\n    \/* \u6b65\u9aa4\u56fe\u6807\u5bb9\u5668 *\/\n    .qc-step-icon {\n        position: absolute;\n        left: 0;\n        top: 0;\n        width: 40px;\n        height: 40px;\n        background-color: #f0fdfa; \/* Teal-50 *\/\n        border: 2px solid #ccfbf1; \/* Teal-100 *\/\n        border-radius: 50%;\n        display: flex;\n        align-items: center;\n        justify-content: center;\n        color: var(--qc-accent-teal);\n        transition: all 0.3s ease;\n    }\n\n    .qc-step:hover .qc-step-icon {\n        background-color: var(--qc-accent-teal);\n        color: #ffffff;\n        border-color: var(--qc-accent-teal);\n        transform: scale(1.1);\n    }\n\n    .qc-step-content strong {\n        display: block;\n        font-size: 1rem;\n        font-weight: 600;\n        color: var(--qc-text-main);\n        margin-bottom: 0.25rem;\n    }\n\n    .qc-step-content p {\n        margin: 0;\n        font-size: 0.9rem;\n        color: var(--qc-text-muted);\n    }\n\n    \/* --- \u53f3\u4fa7\uff1a\u6587\u6863\u5217\u8868 (Docs Grid) --- *\/\n    .doc-section {\n        margin-bottom: 2rem;\n    }\n    \n    .doc-section:last-child { margin-bottom: 0; }\n\n    .doc-subtitle {\n        font-size: 0.75rem;\n        font-weight: 700;\n        text-transform: uppercase;\n        letter-spacing: 0.05em;\n        color: var(--qc-text-muted);\n        margin: 0 0 1rem 0;\n        display: flex;\n        align-items: center;\n        gap: 0.5rem;\n    }\n    \n    .doc-subtitle::after {\n        content: '';\n        flex-grow: 1;\n        height: 1px;\n        background-color: var(--qc-border);\n        opacity: 0.5;\n    }\n\n    .doc-list {\n        list-style: none;\n        padding: 0;\n        margin: 0;\n        display: grid;\n        gap: 0.75rem;\n    }\n\n    .doc-item {\n        display: flex;\n        align-items: center;\n        gap: 0.75rem;\n        padding: 0.75rem;\n        background-color: #f8fafc;\n        border: 1px solid transparent;\n        border-radius: 0.5rem;\n        transition: all 0.2s;\n    }\n\n    .doc-item:hover {\n        background-color: #eff6ff; \/* Blue-50 *\/\n        border-color: #bfdbfe;     \/* Blue-200 *\/\n    }\n\n    .doc-icon {\n        width: 18px;\n        height: 18px;\n        color: var(--qc-text-muted);\n        flex-shrink: 0;\n        transition: color 0.2s;\n    }\n\n    .doc-item:hover .doc-icon {\n        color: var(--qc-accent-blue);\n    }\n\n    .doc-text {\n        font-size: 0.95rem;\n        font-weight: 500;\n        color: var(--qc-text-body);\n    }\n\n    \/* --- Responsive --- *\/\n    @media (min-width:1000px) {\n        .qc-grid {\n            grid-template-columns: 1fr 1fr;\n            gap: 3rem;\n        }\n        .qc-card {\n            padding: 2.5rem;\n        }\n        .qc-title {\n            font-size: 2.25rem;\n        }\n    }\n<\/style>\n\n<div class=\"sec8-wrapper\">\n    <section class=\"qc-section\">\n        <div class=\"qc-container\">\n\n            <!-- Header -->\n            <div class=\"qc-header\">\n                <span class=\"qc-eyebrow\">Execution Assurance<\/span>\n                <h2 class=\"qc-title\">Quality Control &#038; Documentation Support<\/h2>\n                <p class=\"qc-intro\">\n                    We ensure every bushing project meets engineering standards through a rigorous verification process, supported by a complete handover documentation package to minimize installation risks.\n                <\/p>\n            <\/div>\n\n            <!-- Content Grid -->\n            <div class=\"qc-grid\">\n\n                <!-- Column 1: Quality Protocol (Timeline Style) -->\n                <div class=\"qc-card\">\n                    <div class=\"qc-card-header\">\n                        <div class=\"indicator-dot\"><\/div>\n                        <h3 class=\"qc-card-title\">Standardized Verification Protocol<\/h3>\n                    <\/div>\n\n                    <ul class=\"qc-timeline\">\n                        <!-- Step 1 -->\n                        <li class=\"qc-step\">\n                            <div class=\"qc-step-icon\">\n                                <!-- SVG: Clipboard Check -->\n                                <svg width=\"20\" height=\"20\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" viewBox=\"0 0 24 24\"><path stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><\/svg>\n                            <\/div>\n                            <div class=\"qc-step-content\">\n                                <strong>Requirement Alignment<\/strong>\n                                <p>Confirm standard route (ANSI\/DIN\/Epoxy), voltage class, current duty, and exact model code before production.<\/p>\n                            <\/div>\n                        <\/li>\n                        <!-- Step 2 -->\n                        <li class=\"qc-step\">\n                            <div class=\"qc-step-icon\">\n                                <!-- SVG: Scale \/ Ruler -->\n                                <svg width=\"20\" height=\"20\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" viewBox=\"0 0 24 24\"><path stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M19.428 15.428a2 2 0 00-1.022-.547l-2.384-.477a6 6 0 00-3.86.517l-.318.158a6 6 0 01-3.86.517L6.05 15.21a2 2 0 00-1.806.547M8 4h8l-1 1v5.172a2 2 0 00.586 1.414l5 5c1.26 1.26.367 3.414-1.415 3.414H4.828c-1.782 0-2.674-2.154-1.414-3.414l5-5A2 2 0 009 10.172V5L8 4z\"><\/path><\/svg>\n                            <\/div>\n                            <div class=\"qc-step-content\">\n                                <strong>Dimensional Verification<\/strong>\n                                <p>Strict check of interface geometry (studs, flange holes) against approved drawings for retrofit fit-up.<\/p>\n                            <\/div>\n                        <\/li>\n                        <!-- Step 3 -->\n                        <li class=\"qc-step\">\n                            <div class=\"qc-step-icon\">\n                                <!-- SVG: Shield Check -->\n                                <svg width=\"20\" height=\"20\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" viewBox=\"0 0 24 24\"><path stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 12l2 2 4-4m6 2a9 9 0 11-18 0 9 9 0 0118 0z\"><\/path><\/svg>\n                            <\/div>\n                            <div class=\"qc-step-content\">\n                                <strong>Integrity &#038; Surface Check<\/strong>\n                                <p>Routine insulation tests and visual inspection for porcelain glaze defects or epoxy casting uniformity.<\/p>\n                            <\/div>\n                        <\/li>\n                        <!-- Step 4 -->\n                        <li class=\"qc-step\">\n                            <div class=\"qc-step-icon\">\n                                <!-- SVG: Box Seam -->\n                                <svg width=\"20\" height=\"20\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" viewBox=\"0 0 24 24\"><path stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M20 7l-8-4-8 4m16 0l-8 4m8-4v10l-8 4m0-10L4 7m8 4v10M4 7v10l8 4\"><\/path><\/svg>\n                            <\/div>\n                            <div class=\"qc-step-content\">\n                                <strong>Pre-Shipment Audit<\/strong>\n                                <p>Final verification of quantity, labeling consistency, and export-grade packing condition.<\/p>\n                            <\/div>\n                        <\/li>\n                    <\/ul>\n                <\/div>\n\n                <!-- Column 2: Handover Documentation (File Grid Style) -->\n                <div class=\"qc-card\">\n                    <div class=\"qc-card-header\">\n                        <!-- SVG: Folder Open -->\n                        <svg class=\"indicator-icon\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" viewBox=\"0 0 24 24\"><path stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M5 19a2 2 0 01-2-2V7a2 2 0 012-2h4l2 2h4a2 2 0 012 2v1M5 19h14a2 2 0 002-2v-5a2 2 0 00-2-2H9a2 2 0 00-2 2v5a2 2 0 01-2 2z\"><\/path><\/svg>\n                        <h3 class=\"qc-card-title\">Handover Documentation<\/h3>\n                    <\/div>\n\n                    <!-- Group 1 -->\n                    <div class=\"doc-section\">\n                        <h4 class=\"doc-subtitle\">Export &#038; Commercial<\/h4>\n                        <ul class=\"doc-list\">\n                            <li class=\"doc-item\">\n                                <!-- SVG: Document Text -->\n                                <svg class=\"doc-icon\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" viewBox=\"0 0 24 24\"><path stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 12h6m-6 4h6m2 5H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z\"><\/path><\/svg>\n                                <span class=\"doc-text\">Commercial Invoice &#038; Packing List<\/span>\n                            <\/li>\n                            <li class=\"doc-item\">\n                                <svg class=\"doc-icon\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" viewBox=\"0 0 24 24\"><path stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 12h6m-6 4h6m2 5H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z\"><\/path><\/svg>\n                                <span class=\"doc-text\">Bill of Lading \/ Airway Bill<\/span>\n                            <\/li>\n                            <li class=\"doc-item\">\n                                <svg class=\"doc-icon\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" viewBox=\"0 0 24 24\"><path stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 12h6m-6 4h6m2 5H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z\"><\/path><\/svg>\n                                <span class=\"doc-text\">Bushing Model Confirmation Sheet<\/span>\n                            <\/li>\n                        <\/ul>\n                    <\/div>\n\n                    <!-- Group 2 -->\n                    <div class=\"doc-section\">\n                        <h4 class=\"doc-subtitle\">Technical Support<\/h4>\n                        <ul class=\"doc-list\">\n                            <li class=\"doc-item\">\n                                <!-- SVG: Blueprint \/ Map -->\n                                <svg class=\"doc-icon\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" viewBox=\"0 0 24 24\"><path stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 20l-5.447-2.724A1 1 0 013 16.382V5.618a1 1 0 011.447-.894L9 7m0 13l6-3m-6 3V7m6 10l4.553 2.276A1 1 0 0021 18.382V7.618a1 1 0 00-.553-.894L15 4m0 13V4m0 0L9 7\"><\/path><\/svg>\n                                <span class=\"doc-text\">Interface Drawing Reference<\/span>\n                            <\/li>\n                            <li class=\"doc-item\">\n                                <!-- SVG: Collection -->\n                                <svg class=\"doc-icon\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" viewBox=\"0 0 24 24\"><path stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M19 11H5m14 0a2 2 0 012 2v6a2 2 0 01-2 2H5a2 2 0 01-2-2v-6a2 2 0 012-2m14 0V9a2 2 0 00-2-2M5 11V9a2 2 0 012-2m0 0V5a2 2 0 012-2h6a2 2 0 012 2v2M7 7h10\"><\/path><\/svg>\n                                <span class=\"doc-text\">Batch Traceability Record<\/span>\n                            <\/li>\n                            <li class=\"doc-item\">\n                                <!-- SVG: Chat \/ Support -->\n                                <svg class=\"doc-icon\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" viewBox=\"0 0 24 24\"><path stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M18.364 5.636l-3.536 3.536m0 5.656l3.536 3.536M9.172 9.172L5.636 5.636m3.536 9.192l-3.536 3.536M21 12a9 9 0 11-18 0 9 9 0 0118 0zm-5 0a4 4 0 11-8 0 4 4 0 018 0z\"><\/path><\/svg>\n                                <span class=\"doc-text\">Post-delivery Technical Q&#038;A<\/span>\n                            <\/li>\n                        <\/ul>\n                    <\/div>\n\n                <\/div>\n\n            <\/div>\n        <\/div>\n    <\/section>\n<\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-7c7f3df\" data-block-id=\"7c7f3df\"><style>.stk-7c7f3df {z-index:10 !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-7c7f3df-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-dff6fa4\" data-v=\"4\" data-block-id=\"dff6fa4\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-dff6fa4-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-dff6fa4-inner-blocks\">\n<!-- =========================================================================\n     SEC9: FAQ & Resources (Medium Voltage Bushings)\n     \u4fee\u590d\u7248\uff1a\u5b8c\u6574\u53ef\u8fd0\u884c\uff08style + html + script\uff09\n     ========================================================================= -->\n\n<style>\n    \/* --- SEC9 \u72ec\u7acb\u6837\u5f0f\u4f5c\u7528\u57df --- *\/\n    .sec9-wrapper {\n        --faq-bg: #f9fafb;\n        --faq-card-bg: #ffffff;\n        --faq-text-dark: #0f172a;\n        --faq-text-body: #334155;\n        --faq-text-light: #64748b;\n        --faq-border: #e2e8f0;\n        --faq-cyan: #78d3ca;\n        --faq-link: #2563eb;\n\n        font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, \"Helvetica Neue\", Arial, sans-serif;\n        line-height: 1.6;\n        color: var(--faq-text-body);\n        box-sizing: border-box;\n    }\n\n    .sec9-wrapper *, .sec9-wrapper *::before, .sec9-wrapper *::after {\n        box-sizing: inherit;\n    }\n\n    .faq-section {\n        background-color: var(--faq-bg);\n        width: 100%;\n        padding-top: 5rem;\n        padding-bottom: 6rem;\n        border-top: 1px solid var(--faq-border);\n    }\n\n    .faq-container {\n        width: 100%;\n        max-width: 1280px;\n        margin: 0 auto;\n        padding-left: 1.5rem;\n        padding-right: 1.5rem;\n    }\n\n    .faq-header {\n        max-width: 800px;\n        margin-bottom: 3rem;\n    }\n\n    .faq-eyebrow {\n        display: inline-block;\n        font-size: 0.875rem;\n        font-weight: 700;\n        letter-spacing: 0.05em;\n        color: var(--faq-cyan);\n        text-transform: uppercase;\n        margin-bottom: 1rem;\n    }\n\n    .faq-title {\n        font-size: 2rem;\n        font-weight: 700;\n        color: var(--faq-text-dark);\n        margin: 0 0 1rem 0;\n        line-height: 1.25;\n    }\n\n    .faq-intro {\n        font-size: 1.125rem;\n        color: var(--faq-text-body);\n        margin: 0;\n        max-width: 65ch;\n    }\n\n    \/* --- Resources --- *\/\n    .resources-bar {\n        background-color: #fff;\n        border: 1px solid var(--faq-border);\n        border-radius: 8px;\n        padding: 1.5rem 2rem;\n        margin-bottom: 4rem;\n        display: flex;\n        flex-direction: column;\n        gap: 1.5rem;\n        align-items: flex-start;\n        box-shadow: 0 1px 3px rgba(0,0,0,0.05);\n    }\n\n    .res-title {\n        font-size: 1.125rem;\n        font-weight: 700;\n        color: var(--faq-text-dark);\n        margin: 0;\n        white-space: nowrap;\n    }\n\n    .res-list {\n        list-style: none;\n        padding: 0;\n        margin: 0;\n        display: flex;\n        flex-direction: column;\n        gap: 1.5rem;\n        width: 100%;\n    }\n\n    .res-item {\n        display: flex;\n        align-items: baseline;\n        gap: 0.75rem;\n    }\n\n    .res-label {\n        font-size: 0.75rem;\n        text-transform: uppercase;\n        letter-spacing: 0.05em;\n        color: var(--faq-text-light);\n        flex-shrink: 0;\n        min-width: 140px;\n    }\n\n    .res-link {\n        color: var(--faq-link);\n        text-decoration: none;\n        font-weight: 600;\n        font-size: 0.95rem;\n        line-height: 1.4;\n        transition: color 0.2s;\n        display: inline-flex;\n        align-items: center;\n    }\n\n    .res-link:hover {\n        color: #1d4ed8;\n        text-decoration: underline;\n    }\n\n    .res-icon-ext {\n        font-size: 0.8em;\n        margin-left: 4px;\n        opacity: 0.7;\n    }\n\n    \/* --- FAQ --- *\/\n    .faq-list-col {\n        display: grid;\n        grid-template-columns: 1fr;\n        gap: 1.5rem;\n        align-content: start;\n    }\n\n    .faq-item {\n        background-color: var(--faq-card-bg);\n        border: 1px solid var(--faq-border);\n        border-radius: 8px;\n        overflow: hidden;\n        transition: border-color 0.2s;\n    }\n\n    .faq-item:hover {\n        border-color: #cbd5e1;\n    }\n\n    .faq-item.active {\n        border-color: var(--faq-cyan);\n    }\n\n    .faq-question {\n        width: 100%;\n        text-align: left;\n        padding: 1.25rem 1.5rem;\n        background: none;\n        border: none;\n        font-size: 1rem;\n        font-weight: 600;\n        color: var(--faq-text-dark);\n        display: flex;\n        justify-content: space-between;\n        align-items: center;\n        cursor: pointer;\n        line-height: 1.4;\n    }\n\n    .faq-question:hover {\n        color: #000;\n    }\n\n    .faq-icon {\n        width: 20px;\n        height: 20px;\n        position: relative;\n        flex-shrink: 0;\n        margin-left: 1rem;\n        transition: transform 0.3s ease;\n    }\n\n    .faq-icon::before, .faq-icon::after {\n        content: '';\n        position: absolute;\n        background-color: var(--faq-text-light);\n        transition: background-color 0.2s;\n    }\n\n    .faq-icon::before { top: 9px; left: 0; width: 20px; height: 2px; }\n    .faq-icon::after  { top: 0; left: 9px; width: 2px; height: 20px; }\n\n    .faq-item.active .faq-icon { transform: rotate(45deg); }\n    .faq-item.active .faq-icon::before,\n    .faq-item.active .faq-icon::after { background-color: var(--faq-cyan); }\n\n    .faq-answer {\n        max-height: 0;\n        overflow: hidden;\n        transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1);\n        padding: 0 1.5rem;\n    }\n\n    .faq-answer-inner {\n        padding-bottom: 1.5rem;\n        font-size: 0.95rem;\n        color: var(--faq-text-body);\n        border-top: 1px solid #f1f5f9;\n        padding-top: 1rem;\n    }\n\n    @media (min-width:690px) {\n        .resources-bar {\n            flex-direction: row;\n            align-items: center;\n            gap: 3rem;\n        }\n\n        .res-list {\n            flex-direction: row;\n            gap: 3rem;\n            width: auto;\n        }\n\n        .res-item {\n            flex-direction: row;\n            align-items: center;\n        }\n\n        .res-label {\n            margin-right: 0.5rem;\n            min-width: auto;\n        }\n\n        .res-item:not(:last-child)::after {\n            content: '';\n            display: block;\n            width: 1px;\n            height: 16px;\n            background-color: #e2e8f0;\n            margin-left: 3rem;\n        }\n    }\n\n    @media (min-width:1000px) {\n        .faq-list-col {\n            grid-template-columns: 1fr 1fr;\n            gap: 2rem;\n        }\n    }\n<\/style>\n\n<div class=\"sec9-wrapper\">\n    <section class=\"faq-section\">\n        <div class=\"faq-container\">\n\n            <div class=\"faq-header\">\n                <span class=\"faq-eyebrow\">FAQ &#038; Resources<\/span>\n                <h2 class=\"faq-title\">Medium Voltage Bushings FAQ &#038; Technical References<\/h2>\n                <p class=\"faq-intro\">\n                    Practical answers for selecting <strong>medium voltage bushings<\/strong>, comparing <strong>ANSI porcelain<\/strong>, <strong>DIN porcelain<\/strong>, and <strong>epoxy bushings<\/strong>, and preparing accurate transformer bushing RFQs.\n                <\/p>\n            <\/div>\n\n            <div class=\"resources-bar\">\n                <h3 class=\"res-title\">Related Resources<\/h3>\n                <ul class=\"res-list\">\n                    <li class=\"res-item\">\n                        <span class=\"res-label\">Internal Category:<\/span>\n                        <a href=\"\/transformer-accessories\/\" class=\"res-link\">Explore Transformer Accessories<\/a>\n                    <\/li>\n                    <li class=\"res-item\">\n                        <span class=\"res-label\">External Standard:<\/span>\n                        <a href=\"https:\/\/www.nfpa.org\/codes-and-standards\/nfpa-70\" target=\"_blank\" rel=\"noopener\" class=\"res-link\">\n                            NFPA 70 (NEC) Overview <span class=\"res-icon-ext\">\u2197<\/span>\n                        <\/a>\n                    <\/li>\n                <\/ul>\n            <\/div>\n\n            <div class=\"faq-list-col\">\n                <div class=\"faq-item active\">\n                    <button class=\"faq-question\" type=\"button\" onclick=\"toggleFaqSec9(this)\">\n                        What are medium voltage bushings in transformer applications?\n                        <span class=\"faq-icon\"><\/span>\n                    <\/button>\n                    <div class=\"faq-answer\" style=\"max-height: 240px;\">\n                        <div class=\"faq-answer-inner\">\n                            <strong>Medium voltage bushings<\/strong> are insulated interface components that allow conductors to pass through transformer boundaries while maintaining dielectric isolation and mechanical stability. These <strong>transformer bushings<\/strong> are selected by voltage class, current duty, and installation interface.\n                        <\/div>\n                    <\/div>\n                <\/div>\n\n                <div class=\"faq-item\">\n                    <button class=\"faq-question\" type=\"button\" onclick=\"toggleFaqSec9(this)\">\n                        What is the difference between ANSI porcelain and DIN porcelain medium voltage bushings?\n                        <span class=\"faq-icon\"><\/span>\n                    <\/button>\n                    <div class=\"faq-answer\">\n                        <div class=\"faq-answer-inner\">\n                            <strong>ANSI porcelain bushings<\/strong> and <strong>DIN porcelain bushings<\/strong> follow different standard systems, dimensional conventions, and matching hardware ecosystems. They should not be interchanged without drawing-based verification.\n                        <\/div>\n                    <\/div>\n                <\/div>\n\n                <div class=\"faq-item\">\n                    <button class=\"faq-question\" type=\"button\" onclick=\"toggleFaqSec9(this)\">\n                        How do I choose between porcelain bushings and epoxy bushings?\n                        <span class=\"faq-icon\"><\/span>\n                    <\/button>\n                    <div class=\"faq-answer\">\n                        <div class=\"faq-answer-inner\">\n                            Start with required family route (<strong>ANSI porcelain<\/strong>, <strong>DIN porcelain<\/strong>, or <strong>epoxy bushings<\/strong>), then confirm model by electrical ratings, mounting boundary, and interface details.\n                        <\/div>\n                    <\/div>\n                <\/div>\n\n                <div class=\"faq-item\">\n                    <button class=\"faq-question\" type=\"button\" onclick=\"toggleFaqSec9(this)\">\n                        Can medium voltage transformer bushings be used for retrofit projects?\n                        <span class=\"faq-icon\"><\/span>\n                    <\/button>\n                    <div class=\"faq-answer\">\n                        <div class=\"faq-answer-inner\">\n                            Yes. Retrofit suitability depends on mounting geometry, sealing boundary, terminal\/thread interface, and mating compatibility. Existing drawings or sample references are strongly recommended.\n                        <\/div>\n                    <\/div>\n                <\/div>\n\n                <div class=\"faq-item\">\n                    <button class=\"faq-question\" type=\"button\" onclick=\"toggleFaqSec9(this)\">\n                        Is voltage class alone enough to select medium voltage bushings?\n                        <span class=\"faq-icon\"><\/span>\n                    <\/button>\n                    <div class=\"faq-answer\">\n                        <div class=\"faq-answer-inner\">\n                            No. Correct <strong>medium voltage bushings<\/strong> selection also requires current rating, installation pattern, sealing structure, and accessory compatibility.\n                        <\/div>\n                    <\/div>\n                <\/div>\n\n                <div class=\"faq-item\">\n                    <button class=\"faq-question\" type=\"button\" onclick=\"toggleFaqSec9(this)\">\n                        Can ANSI, DIN, and epoxy transformer bushings be included in one RFQ?\n                        <span class=\"faq-icon\"><\/span>\n                    <\/button>\n                    <div class=\"faq-answer\">\n                        <div class=\"faq-answer-inner\">\n                            Yes. A mixed RFQ is fine, but each line should clearly define family type, rating, interface\/dimensions, and quantity to avoid repeated confirmation.\n                        <\/div>\n                    <\/div>\n                <\/div>\n\n                <div class=\"faq-item\">\n                    <button class=\"faq-question\" type=\"button\" onclick=\"toggleFaqSec9(this)\">\n                        What information should I prepare before requesting a quotation?\n                        <span class=\"faq-icon\"><\/span>\n                    <\/button>\n                    <div class=\"faq-answer\">\n                        <div class=\"faq-answer-inner\">\n                            Provide type route (ANSI\/DIN\/epoxy), voltage class, current rating, quantity, key installation dimensions\/drawings, destination market, and delivery expectation.\n                        <\/div>\n                    <\/div>\n                <\/div>\n\n                <div class=\"faq-item\">\n                    <button class=\"faq-question\" type=\"button\" onclick=\"toggleFaqSec9(this)\">\n                        How do I reduce compatibility risk in bushing replacement?\n                        <span class=\"faq-icon\"><\/span>\n                    <\/button>\n                    <div class=\"faq-answer\">\n                        <div class=\"faq-answer-inner\">\n                            Use a checklist: standard family, mounting boundary, sealing interface, thread\/terminal form, and mating-part verification. Compatibility checks are as important as rating checks.\n                        <\/div>\n                    <\/div>\n                <\/div>\n\n                <div class=\"faq-item\">\n                    <button class=\"faq-question\" type=\"button\" onclick=\"toggleFaqSec9(this)\">\n                        Are gaskets and related accessories included?\n                        <span class=\"faq-icon\"><\/span>\n                    <\/button>\n                    <div class=\"faq-answer\">\n                        <div class=\"faq-answer-inner\">\n                            Supply scope depends on confirmed model\/version and quotation terms. Gasket\/accessory inclusion should be explicitly listed in final confirmation.\n                        <\/div>\n                    <\/div>\n                <\/div>\n\n                <div class=\"faq-item\">\n                    <button class=\"faq-question\" type=\"button\" onclick=\"toggleFaqSec9(this)\">\n                        Which standards\/resources should be referenced for installation and safety?\n                        <span class=\"faq-icon\"><\/span>\n                    <\/button>\n                    <div class=\"faq-answer\">\n                        <div class=\"faq-answer-inner\">\n                            Refer to recognized installation\/safety references such as <strong>NFPA 70 (NEC)<\/strong>, then align with project-specific engineering specifications and local utility requirements.\n                        <\/div>\n                    <\/div>\n                <\/div>\n            <\/div>\n\n        <\/div>\n    <\/section>\n<\/div>\n\n<script>\n    function toggleFaqSec9(button) {\n        const wrapper = button.closest('.sec9-wrapper');\n        if (!wrapper) return;\n\n        const item = button.closest('.faq-item');\n        const answer = item ? item.querySelector('.faq-answer') : null;\n        if (!item || !answer) return;\n\n        const isActive = item.classList.contains('active');\n\n        wrapper.querySelectorAll('.faq-item').forEach(function(otherItem) {\n            if (otherItem !== item) {\n                otherItem.classList.remove('active');\n                const otherAnswer = otherItem.querySelector('.faq-answer');\n                if (otherAnswer) otherAnswer.style.maxHeight = null;\n            }\n        });\n\n        if (isActive) {\n            item.classList.remove('active');\n            answer.style.maxHeight = null;\n        } else {\n            item.classList.add('active');\n            answer.style.maxHeight = answer.scrollHeight + 'px';\n        }\n    }\n\n    \/\/ \u9632\u6b62\u9996\u9879\u9ed8\u8ba4\u9ad8\u5ea6\u5728\u67d0\u4e9b\u4e3b\u9898\u4e0b\u5931\u6548\uff1a\u521d\u59cb\u5316\u4e00\u6b21\n    (function initSec9Faq() {\n        document.querySelectorAll('.sec9-wrapper').forEach(function(wrapper) {\n            const firstActive = wrapper.querySelector('.faq-item.active .faq-answer');\n            if (firstActive) {\n                firstActive.style.maxHeight = firstActive.scrollHeight + 'px';\n            }\n        });\n    })();\n<\/script>\n<\/div><\/div><\/div>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Transformer Accessories Series Medium Voltage Transformer Bushings (ANSI, DIN &amp; Epoxy) Engineered for distribution transformer projects with ANSI porcelain, DIN porcelain, and epoxy interface options across medium-voltage applications. OEM\/ODM Configuration \u2022 Fast Engineering Response \u2022 Export Documentation Support Request Quote View Product Families Voltage Class 12kV\u201352kV Current Rating 55A\u20133150A Application Distribution Transformers Product Definition What [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":781,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-787","page","type-page","status-publish","hentry"],"blocksy_meta":{"has_hero_section":"disabled","vertical_spacing_source":"custom","content_area_spacing":"bottom","styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":6}},"_hostinger_reach_plugin_has_subscription_block":false,"_hostinger_reach_plugin_is_elementor":false,"_links":{"self":[{"href":"https:\/\/zeeyielec.com\/de\/wp-json\/wp\/v2\/pages\/787","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/zeeyielec.com\/de\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/zeeyielec.com\/de\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/zeeyielec.com\/de\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/zeeyielec.com\/de\/wp-json\/wp\/v2\/comments?post=787"}],"version-history":[{"count":30,"href":"https:\/\/zeeyielec.com\/de\/wp-json\/wp\/v2\/pages\/787\/revisions"}],"predecessor-version":[{"id":1597,"href":"https:\/\/zeeyielec.com\/de\/wp-json\/wp\/v2\/pages\/787\/revisions\/1597"}],"up":[{"embeddable":true,"href":"https:\/\/zeeyielec.com\/de\/wp-json\/wp\/v2\/pages\/781"}],"wp:attachment":[{"href":"https:\/\/zeeyielec.com\/de\/wp-json\/wp\/v2\/media?parent=787"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}