{"id":1028,"date":"2025-10-17T17:16:41","date_gmt":"2025-10-17T09:16:41","guid":{"rendered":"https:\/\/feichuncables.com\/blog\/?p=1028"},"modified":"2025-10-17T17:17:58","modified_gmt":"2025-10-17T09:17:58","slug":"din-vde-0250","status":"publish","type":"post","link":"https:\/\/feichuncables.com\/blog\/din-vde-0250\/","title":{"rendered":"DIN VDE 0250"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img data-dominant-color=\"f1f5fa\" data-has-transparency=\"false\" style=\"--dominant-color: #f1f5fa;\" loading=\"lazy\" decoding=\"async\" width=\"531\" height=\"226\" sizes=\"auto, (max-width: 531px) 100vw, 531px\" src=\"https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-96.avif\" alt=\"\" class=\"wp-image-1029 not-transparent\" title=\"\" srcset=\"https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-96.avif 531w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-96-300x128.avif 300w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-96-400x170.avif 400w\" \/><\/figure>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n    <meta charset=\"UTF-8\">\n    <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n    <meta name=\"description\" content=\"DIN VDE 0250 Part 812 technical standard documentation for NSSH\u00d6U rubber insulated flexible cables. 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.specification-grid {\n                grid-template-columns: 1fr;\n            }\n            \n            .test-matrix {\n                grid-template-columns: 1fr;\n            }\n        }\n    <\/style>\n<\/head>\n<body>\n    <header class=\"technical-header\">\n        <div class=\"header-content\">\n            <div class=\"standard-identifier\">\n                <span class=\"standard-number\">DIN VDE 0250 Teil 812<\/span>\n                <span class=\"standard-year\">Mai 1985<\/span>\n            <\/div>\n            <div class=\"contact-technical\">\n                <span>FEICHUN Cable Technical<\/span>\n                <span>tech@feichuncables.com<\/span>\n                <span>+86 138 55123218<\/span>\n            <\/div>\n        <\/div>\n    <\/header>\n\n    <main class=\"main-container\">\n        <h1 class=\"document-title\">DIN VDE 0250 Part 812 Technical Standard<\/h1>\n        <p class=\"document-subtitle\">Rubber Insulated Flexible Cables NSSH\u00d6U &#8211; Complete Technical Specifications and Test Requirements<\/p>\n        \n        <div class=\"standard-metadata\">\n            <div class=\"metadata-item\">\n                <span class=\"metadata-label\">Standard Designation<\/span>\n                <span class=\"metadata-value\">DIN VDE 0250-812<\/span>\n            <\/div>\n            <div class=\"metadata-item\">\n                <span class=\"metadata-label\">Publication Date<\/span>\n                <span class=\"metadata-value\">May 1985<\/span>\n            <\/div>\n            <div class=\"metadata-item\">\n                <span class=\"metadata-label\">Supersedes<\/span>\n                <span class=\"metadata-value\">VDE 0250\/03.69 \u00a7812<\/span>\n            <\/div>\n            <div class=\"metadata-item\">\n                <span class=\"metadata-label\">Voltage Rating<\/span>\n                <span class=\"metadata-value\">U\u2080\/U 0.6\/1kV<\/span>\n            <\/div>\n            <div class=\"metadata-item\">\n                <span class=\"metadata-label\">Cable Type<\/span>\n                <span class=\"metadata-value\">NSSH\u00d6U Series<\/span>\n            <\/div>\n            <div class=\"metadata-item\">\n                <span class=\"metadata-label\">DKE Commission<\/span>\n                <span class=\"metadata-value\">411.2<\/span>\n            <\/div>\n        <\/div>\n\n        <section class=\"section\">\n            <div class=\"section-header\">\n                <span class=\"section-number\">\u00a71<\/span>\n                <h2 class=\"section-title\">Anwendungsbereich (Scope of Application)<\/h2>\n            <\/div>\n            <div class=\"section-content\">\n                <p>This standard covers rubber insulated flexible cables designated as NSSH\u00d6U (Neopren-Schlauchleitung Schwer H\u00f6chste \u00d6lfestigkeit Ummantelung) for power installation applications with rated voltages up to U\u2080\/U 0.6\/1kV.<\/p>\n                \n                <div class=\"compliance-note\">\n                    <div class=\"compliance-note-header\">\n                        \u2713 Compliance Framework\n                    <\/div>\n                    <p>This standard operates within the VDE-Specification framework per VDE 0022 and forms part of the comprehensive DIN VDE 0250 cable standards series. No equivalent international standard exists with the precise technical requirements specified herein.<\/p>\n                <\/div>\n            <\/div>\n        <\/section>\n\n        <section class=\"section\">\n            <div class=\"section-header\">\n                <span class=\"section-number\">\u00a72<\/span>\n                <h2 class=\"section-title\">Bezeichnung (Type Designation System)<\/h2>\n            <\/div>\n            <div class=\"section-content\">\n                <div class=\"subsection\">\n                    <h3 class=\"subsection-title\">2.1 Type Designation Structure<\/h3>\n                    <p>Base designation pattern: <span class=\"code-designation\">NSSH&#8230;\u00d6U<\/span><\/p>\n                    <p>Component codes are inserted in the ellipsis position according to their physical sequence from cable center to outer sheath.<\/p>\n                <\/div>\n\n                <div class=\"subsection\">\n                    <h3 class=\"subsection-title\">2.1.1 Component Position Codes<\/h3>\n                    <table class=\"technical-table\">\n                        <thead>\n                            <tr>\n                                <th>Code<\/th>\n                                <th>Component Description<\/th>\n                                <th>Position<\/th>\n                                <th>Function<\/th>\n                            <\/tr>\n                        <\/thead>\n                        <tbody>\n                            <tr>\n                                <td><span class=\"code-designation\">K<\/span><\/td>\n                                <td>Kreuzf\u00f6rmiger Gummisteg<\/td>\n                                <td>Cable center<\/td>\n                                <td>Crisscross rubber spacer for conductor separation<\/td>\n                            <\/tr>\n                            <tr>\n                                <td><span class=\"code-designation\">C<\/span><\/td>\n                                <td>Metallic conductive layer<\/td>\n                                <td>On cabled conductors or between sheaths<\/td>\n                                <td>Electrical field control and shielding<\/td>\n                            <\/tr>\n                            <tr>\n                                <td><span class=\"code-designation\">CG<\/span><\/td>\n                                <td>Non-metallic conductive layer<\/td>\n                                <td>On cabled conductors or between sheaths<\/td>\n                                <td>Semi-conductive field smoothing<\/td>\n                            <\/tr>\n                            <tr>\n                                <td><span class=\"code-designation\">CE<\/span><\/td>\n                                <td>Metallic conductive layer<\/td>\n                                <td>On phase conductor insulation<\/td>\n                                <td>Individual phase shielding<\/td>\n                            <\/tr>\n                            <tr>\n                                <td><span class=\"code-designation\">CGE<\/span><\/td>\n                                <td>Non-metallic conductive layer<\/td>\n                                <td>On phase conductor insulation<\/td>\n                                <td>Semi-conductive stress control<\/td>\n                            <\/tr>\n                        <\/tbody>\n                    <\/table>\n                <\/div>\n\n                <div class=\"subsection\">\n                    <h3 class=\"subsection-title\">2.1.2 Auxiliary Component Codes<\/h3>\n                    <table class=\"technical-table\">\n                        <thead>\n                            <tr>\n                                <th>Code<\/th>\n                                <th>German Term<\/th>\n                                <th>Description<\/th>\n                                <th>Configuration<\/th>\n                            <\/tr>\n                        <\/thead>\n                        <tbody>\n                            <tr>\n                                <td><span class=\"code-designation\">1\/3<\/span><\/td>\n                                <td>Schutzleiter<\/td>\n                                <td>Grounding conductor<\/td>\n                                <td>Evenly distributed in interstices<\/td>\n                            <\/tr>\n                            <tr>\n                                <td><span class=\"code-designation\">1\/3E<\/span><\/td>\n                                <td>Schutzleiter<\/td>\n                                <td>Grounding conductor<\/td>\n                                <td>Evenly distributed on phase insulation<\/td>\n                            <\/tr>\n                            <tr>\n                                <td><span class=\"code-designation\">KON<\/span><\/td>\n                                <td>Konzentrisch<\/td>\n                                <td>Concentric grounding<\/td>\n                                <td>Between inner and outer sheaths<\/td>\n                            <\/tr>\n                            <tr>\n                                <td><span class=\"code-designation\">ST<\/span><\/td>\n                                <td>Steuerleitung<\/td>\n                                <td>Control wire<\/td>\n                                <td>Embedded in cable assembly<\/td>\n                            <\/tr>\n                            <tr>\n                                <td><span class=\"code-designation\">FM<\/span><\/td>\n                                <td>Fernmeldeleitung<\/td>\n                                <td>Communication wire<\/td>\n                                <td>Shielded from power conductors<\/td>\n                            <\/tr>\n                            <tr>\n                                <td><span class=\"code-designation\">\u00dcL<\/span><\/td>\n                                <td>\u00dcberwachungsleitung<\/td>\n                                <td>Monitoring wire<\/td>\n                                <td>For system supervision<\/td>\n                            <\/tr>\n                        <\/tbody>\n                    <\/table>\n                <\/div>\n\n                <div class=\"subsection\">\n                    <h3 class=\"subsection-title\">2.2 Designation Examples<\/h3>\n                    \n                    <div class=\"designation-example\">\n                        <div class=\"designation-line\">NSSH\u00d6U-J 4\u00d716<\/div>\n                        <div class=\"designation-description\">\n                            Standard configuration: 4 conductors \u00d7 16mm\u00b2, with green-yellow protective conductor (J)\n                        <\/div>\n                    <\/div>\n\n                    <div class=\"designation-example\">\n                        <div class=\"designation-line\">NSSH\u00d6U 3\u00d716\/16 KON<\/div>\n                        <div class=\"designation-description\">\n                            3 phase conductors \u00d7 16mm\u00b2, concentric grounding conductor 16mm\u00b2 between sheaths\n                        <\/div>\n                    <\/div>\n\n                    <div class=\"designation-example\">\n                        <div class=\"designation-line\">NSSHC\u00d6U 3\u00d716+3\u00d716\/3E+3\u00d71.5 ST+6 \u00dcL<\/div>\n                        <div class=\"designation-description\">\n                            Complex configuration with metallic conductive layer (C), distributed grounding on insulation, control and monitoring wires\n                        <\/div>\n                    <\/div>\n\n                    <div class=\"designation-example\">\n                        <div class=\"designation-line\">NSSHKCGE\u00d6U-J 3\u00d76+2\u00d70.5 FM+2.5 \u00dcL<\/div>\n                        <div class=\"designation-description\">\n                            With crisscross spacer (K), non-metallic conductive layer on insulation (CGE), communication and monitoring circuits\n                        <\/div>\n                    <\/div>\n                <\/div>\n            <\/div>\n        <\/section>\n\n        <section class=\"section\">\n            <div class=\"section-header\">\n                <span class=\"section-number\">\u00a73<\/span>\n                <h2 class=\"section-title\">Bemessungsspannung (Rated Voltage)<\/h2>\n            <\/div>\n            <div class=\"section-content\">\n                <div class=\"specification-grid\">\n                    <div class=\"spec-card\">\n                        <div class=\"spec-card-header\">Voltage Designation<\/div>\n                        <div class=\"spec-card-value\">U\u2080\/U 0.6\/1kV<\/div>\n                        <div class=\"spec-card-detail\">U\u2080 = Phase to ground voltage<br>U = Phase to phase voltage<\/div>\n                    <\/div>\n                    <div class=\"spec-card\">\n                        <div class=\"spec-card-header\">Maximum System Voltage<\/div>\n                        <div class=\"spec-card-value\">1.2kV<\/div>\n                        <div class=\"spec-card-detail\">Um = 1.2 \u00d7 U (IEC 60038)<\/div>\n                    <\/div>\n                    <div class=\"spec-card\">\n                        <div class=\"spec-card-header\">Test Voltage<\/div>\n                        <div class=\"spec-card-value\">3.0kV AC<\/div>\n                        <div class=\"spec-card-detail\">5 minutes duration per \u00a75<\/div>\n                    <\/div>\n                <\/div>\n            <\/div>\n        <\/section>\n\n        <section class=\"section\">\n            <div class=\"section-header\">\n                <span class=\"section-number\">\u00a74<\/span>\n                <h2 class=\"section-title\">Anforderungen (Technical Requirements)<\/h2>\n            <\/div>\n            <div class=\"section-content\">\n                <div class=\"subsection\">\n                    <h3 class=\"subsection-title\">4.1 Number of Cores and Cross-Sectional Areas<\/h3>\n                    <table class=\"technical-table\">\n                        <thead>\n                            <tr>\n                                <th>Configuration<\/th>\n                                <th>Cross-Section Range<\/th>\n                                <th>Maximum Cores<\/th>\n                                <th>Application<\/th>\n                            <\/tr>\n                        <\/thead>\n                        <tbody>\n                            <tr>\n                                <td>Single core<\/td>\n                                <td>2.5 &#8211; 400 mm\u00b2<\/td>\n                                <td>1<\/td>\n                                <td>High current single phase<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>2-4 cores<\/td>\n                                <td>1.5 &#8211; 185 mm\u00b2<\/td>\n                                <td>4<\/td>\n                                <td>Standard 3-phase + neutral<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>3 cores with distributed ground<\/td>\n                                <td>2.5 &#8211; 150 mm\u00b2<\/td>\n                                <td>3 + PE<\/td>\n                                <td>Enhanced safety systems<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>5-7 cores<\/td>\n                                <td>1.5 &#8211; 95 mm\u00b2<\/td>\n                                <td>7<\/td>\n                                <td>Multi-circuit power<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>5 cores with concentric ground<\/td>\n                                <td>2.5 &#8211; 6 mm\u00b2<\/td>\n                                <td>5 + PE<\/td>\n                                <td>Control with safety ground<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>12-18 cores (preferred)<\/td>\n                                <td>1.5 &#8211; 4 mm\u00b2<\/td>\n                                <td>18<\/td>\n                                <td>Complex control systems<\/td>\n                            <\/tr>\n                        <\/tbody>\n                    <\/table>\n                <\/div>\n\n                <div class=\"subsection\">\n                    <h3 class=\"subsection-title\">4.2 Conductor (Leiter)<\/h3>\n                    <ul class=\"parameter-list\">\n                        <li><strong>Material:<\/strong> Tinned copper per DIN VDE 0295<\/li>\n                        <li><strong>Class:<\/strong> Class 5 flexible conductor (finely stranded)<\/li>\n                        <li><strong>Grounding conductor:<\/strong> Sized per Table 1, column 2<\/li>\n                        <li><strong>Control\/monitoring wire:<\/strong> May contain steel reinforcement, max resistance per 0.75mm\u00b2 Class 5<\/li>\n                        <li><strong>Communication wire:<\/strong> Minimum 0.5mm\u00b2 Class 5 conductor<\/li>\n                        <li><strong>Surface treatment:<\/strong> Optional textile or suitable material layer permitted<\/li>\n                    <\/ul>\n                <\/div>\n\n                <div class=\"subsection\">\n                    <h3 class=\"subsection-title\">4.3 Insulation (Isolierung)<\/h3>\n                    <ul class=\"parameter-list\">\n                        <li><strong>Material:<\/strong> Extruded rubber compound 3GI3 per <span class=\"reference-standard\">DIN VDE 0207 Part 20<\/span><\/li>\n                        <li><strong>Thickness:<\/strong> According to Table 1, column 3<\/li>\n                        <li><strong>Temperature rating:<\/strong> Maximum 90\u00b0C conductor temperature<\/li>\n                        <li><strong>Core covering:<\/strong> Optional additional layer permitted<\/li>\n                        <li><strong>Control\/communication insulation:<\/strong> Suitable compound from DIN VDE 0207 series for 90\u00b0C<\/li>\n                    <\/ul>\n                <\/div>\n\n                <div class=\"subsection\">\n                    <h3 class=\"subsection-title\">4.4 Conductive Layer (Leitschicht)<\/h3>\n                    <p>Conductive layers may be applied at the following positions:<\/p>\n                    <ul class=\"parameter-list\">\n                        <li><strong>Position 1:<\/strong> On grounding conductor surface<\/li>\n                        <li><strong>Position 2:<\/strong> On insulation of insulated conductors<\/li>\n                        <li><strong>Position 3:<\/strong> Under inner sheath<\/li>\n                        <li><strong>Position 4:<\/strong> Between inner and outer sheaths<\/li>\n                        <li><strong>Separation:<\/strong> Metal layers separated from insulation\/sheath by tape or yarn<\/li>\n                        <li><strong>Function:<\/strong> May serve as monitoring wire when specified<\/li>\n                    <\/ul>\n                <\/div>\n\n                <div class=\"subsection\">\n                    <h3 class=\"subsection-title\">4.5 Conductor Color Coding<\/h3>\n                    <table class=\"technical-table\">\n                        <thead>\n                            <tr>\n                                <th>Conductor Type<\/th>\n                                <th>Color Code<\/th>\n                                <th>Standard<\/th>\n                                <th>Special Requirements<\/th>\n                            <\/tr>\n                        <\/thead>\n                        <tbody>\n                            <tr>\n                                <td>Phase conductors<\/td>\n                                <td>Per DIN VDE 0293<\/td>\n                                <td>DIN VDE 0293<\/td>\n                                <td>Standard phase colors<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>Insulated grounding<\/td>\n                                <td>Green-yellow<\/td>\n                                <td>DIN VDE 0293<\/td>\n                                <td>Bicolor mandatory<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>Uninsulated ground (black layer)<\/td>\n                                <td>Black conductive<\/td>\n                                <td>\u00a74.5.2<\/td>\n                                <td>No other black\/green-yellow allowed<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>Ground per 4.6.1.3\/4.6.1.4<\/td>\n                                <td>No identification<\/td>\n                                <td>\u00a74.5.2<\/td>\n                                <td>Cable excludes green-yellow<\/td>\n                            <\/tr>\n                        <\/tbody>\n                    <\/table>\n                <\/div>\n\n                <div class=\"subsection\">\n                    <h3 class=\"subsection-title\">4.6 Conductor Assembly (Verseilung)<\/h3>\n                    \n                    <h4 style=\"margin: 15px 0 10px; color: var(--text-primary); font-size: 15px;\">4.6.1 Grounding Conductor Arrangements<\/h4>\n                    <table class=\"technical-table\">\n                        <thead>\n                            <tr>\n                                <th>Paragraph<\/th>\n                                <th>Configuration<\/th>\n                                <th>Description<\/th>\n                            <\/tr>\n                        <\/thead>\n                        <tbody>\n                            <tr>\n                                <td>4.6.1.1<\/td>\n                                <td>Stranded with phases<\/td>\n                                <td>Grounding conductor twisted with phase conductors<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>4.6.1.2<\/td>\n                                <td>In interstices<\/td>\n                                <td>Evenly distributed in gaps between phases<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>4.6.1.3<\/td>\n                                <td>On insulation<\/td>\n                                <td>Evenly distributed on phase conductor insulation<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>4.6.1.4<\/td>\n                                <td>Concentric<\/td>\n                                <td>Between inner and outer sheaths, cable axis<\/td>\n                            <\/tr>\n                        <\/tbody>\n                    <\/table>\n\n                    <h4 style=\"margin: 15px 0 10px; color: var(--text-primary); font-size: 15px;\">4.6.3 Crisscross Rubber Spacer Thickness<\/h4>\n                    <table class=\"technical-table\">\n                        <thead>\n                            <tr>\n                                <th>Cross-Section<\/th>\n                                <th>Spacer Thickness<\/th>\n                            <\/tr>\n                        <\/thead>\n                        <tbody>\n                            <tr>\n                                <td>Up to 35 mm\u00b2<\/td>\n                                <td>ca. 1.5 mm<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>50 &#8211; 95 mm\u00b2<\/td>\n                                <td>ca. 2.0 mm<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>120 &#8211; 185 mm\u00b2<\/td>\n                                <td>ca. 2.5 mm<\/td>\n                            <\/tr>\n                        <\/tbody>\n                    <\/table>\n                <\/div>\n\n                <div class=\"subsection\">\n                    <h3 class=\"subsection-title\">4.7 Construction of Concentric Grounding Conductor<\/h3>\n                    <ul class=\"parameter-list\">\n                        <li><strong>Per 4.6.1.3:<\/strong> Stranding method, strand diameter per Table 1, column 4<\/li>\n                        <li><strong>Per 4.6.1.4:<\/strong> Single\/double stranding or braiding, minimum strand diameter 0.3 mm<\/li>\n                        <li><strong>Under-layer:<\/strong> Non-metallic conductive layer may be applied<\/li>\n                        <li><strong>Over-layer:<\/strong> Tape or yarn wrapping permitted<\/li>\n                    <\/ul>\n                <\/div>\n\n                <div class=\"subsection\">\n                    <h3 class=\"subsection-title\">4.8 Inner Sheath and Filler<\/h3>\n                    <ul class=\"parameter-list\">\n                        <li><strong>Material:<\/strong> Rubber compound GM 1b per <span class=\"reference-standard\">DIN VDE 0207 Part 21<\/span><\/li>\n                        <li><strong>Thickness:<\/strong> Table 1, columns 5-12 or Table 2<\/li>\n                        <li><strong>Construction:<\/strong> May be single-layer with outer sheath<\/li>\n                        <li><strong>Filler:<\/strong> May be omitted with tape\/yarn on cabled conductors<\/li>\n                        <li><strong>Mobility:<\/strong> Conductors must be movable within sheath\/filler<\/li>\n                        <li><strong>Tape layer:<\/strong> Optional on inner sheath<\/li>\n                    <\/ul>\n                <\/div>\n\n                <div class=\"subsection\">\n                    <h3 class=\"subsection-title\">4.9 Outer Sheath<\/h3>\n                    <ul class=\"parameter-list\">\n                        <li><strong>Material:<\/strong> Rubber compound 5GM5 (polychloroprene-based) per <span class=\"reference-standard\">DIN VDE 0207 Part 21<\/span><\/li>\n                        <li><strong>Thickness:<\/strong> Table 1, columns 13-21 or Table 2<\/li>\n                        <li><strong>Construction:<\/strong> Single or double-layer possible<\/li>\n                        <li><strong>Combined thickness:<\/strong> Sum of inner + outer for single-layer<\/li>\n                        <li><strong>Separation:<\/strong> Must be distinguishable in double-layer without tape<\/li>\n                    <\/ul>\n                <\/div>\n\n                <div class=\"subsection\">\n                    <h3 class=\"subsection-title\">4.10 Overall Diameter<\/h3>\n                    <ul class=\"parameter-list\">\n                        <li><strong>Without spacer:<\/strong> Table 3, columns 2-10<\/li>\n                        <li><strong>With rubber spacer:<\/strong> Table 3, columns 11-12<\/li>\n                        <li><strong>Tolerance:<\/strong> Maximum values specified<\/li>\n                    <\/ul>\n                <\/div>\n            <\/div>\n        <\/section>\n\n        <section class=\"section\">\n            <div class=\"section-header\">\n                <span class=\"section-number\">\u00a75<\/span>\n                <h2 class=\"section-title\">Pr\u00fcfungen (Testing Requirements)<\/h2>\n            <\/div>\n            <div class=\"section-content\">\n                <div class=\"subsection\">\n                    <h3 class=\"subsection-title\">5.1-5.3 General Testing Protocol<\/h3>\n                    <ul class=\"parameter-list\">\n                        <li><strong>5.1:<\/strong> General requirements per <span class=\"reference-standard\">DIN VDE 0250 Part 1<\/span> &#8211; visual inspection and measurement<\/li>\n                        <li><strong>5.2:<\/strong> Construction and dimensions &#8211; visual inspection and measurement<\/li>\n                        <li><strong>5.3:<\/strong> Tests according to Table 4 requirements<\/li>\n                    <\/ul>\n                <\/div>\n\n                <div class=\"subsection\">\n                    <h3 class=\"subsection-title\">5.4 Grounding Conductor Resistance Testing<\/h3>\n                    \n                    <div class=\"test-requirement\">\n                        <div class=\"test-requirement-header\">Special Testing Procedure for Concentric Grounding Conductors<\/div>\n                        <ul class=\"parameter-list\" style=\"margin: 0;\">\n                            <li><strong>Sample length:<\/strong> 80 to 120 meters<\/li>\n                            <li><strong>First end:<\/strong> Connect all strands of individual concentric grounding conductors<\/li>\n                            <li><strong>Second end:<\/strong> Connect adjacent strands according to table below<\/li>\n                            <li><strong>Maximum resistance:<\/strong> Not to exceed 125% of rated value<\/li>\n                        <\/ul>\n                    <\/div>\n\n                    <table class=\"technical-table\">\n                        <thead>\n                            <tr>\n                                <th>Total Number of Strands<\/th>\n                                <th>Strands to Connect at Second End<\/th>\n                            <\/tr>\n                        <\/thead>\n                        <tbody>\n                            <tr>\n                                <td>Up to 29<\/td>\n                                <td>3<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>30 &#8211; 49<\/td>\n                                <td>4<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>50 &#8211; 69<\/td>\n                                <td>5<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>70 &#8211; 89<\/td>\n                                <td>6<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>90 &#8211; 109<\/td>\n                                <td>7<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>110 and above<\/td>\n                                <td>5% (minimum 8)<\/td>\n                            <\/tr>\n                        <\/tbody>\n                    <\/table>\n                <\/div>\n\n                <div class=\"subsection\">\n                    <h3 class=\"subsection-title\">Table 4: Electrical Tests<\/h3>\n                    \n                    <div class=\"test-matrix\">\n                        <div class=\"test-card\">\n                            <div class=\"test-card-header\">\n                                <span class=\"test-card-title\">Conductor Resistance<\/span>\n                                <span class=\"test-category-badge\">T, F<\/span>\n                            <\/div>\n                            <div class=\"test-parameters\">\n                                <strong>Standard:<\/strong> DIN VDE 0472 Part 501<br>\n                                <strong>Requirement:<\/strong> Per nominal specifications<br>\n                                <strong>Method:<\/strong> 4-wire measurement\n                            <\/div>\n                        <\/div>\n\n                        <div class=\"test-card\">\n                            <div class=\"test-card-header\">\n                                <span class=\"test-card-title\">Voltage Test &#8211; Complete Cable<\/span>\n                                <span class=\"test-category-badge\">T, F<\/span>\n                            <\/div>\n                            <div class=\"test-parameters\">\n                                <strong>Standard:<\/strong> DIN VDE 0472 Part 512<br>\n                                <strong>Sample length:<\/strong> 5 meters<br>\n                                <strong>Prime conductor:<\/strong> 3kV AC, 5 min<br>\n                                <strong>Control wire:<\/strong> 2kV AC, 5 min\n                            <\/div>\n                        <\/div>\n\n                        <div class=\"test-card\">\n                            <div class=\"test-card-header\">\n                                <span class=\"test-card-title\">Communication Wire Test<\/span>\n                                <span class=\"test-category-badge\">T<\/span>\n                            <\/div>\n                            <div class=\"test-parameters\">\n                                <strong>Between conductors:<\/strong> 1kV AC, 1 min<br>\n                                <strong>Conductor to shield:<\/strong> 500V AC, 1 min<br>\n                                <strong>Standard:<\/strong> DIN VDE 0472 Part 508\n                            <\/div>\n                        <\/div>\n\n                        <div class=\"test-card\">\n                            <div class=\"test-card-header\">\n                                <span class=\"test-card-title\">Insulated Conductor Test<\/span>\n                                <span class=\"test-category-badge\">T<\/span>\n                            <\/div>\n                            <div class=\"test-parameters\">\n                                <strong>Sample length:<\/strong> 5 meters<br>\n                                <strong>Water immersion:<\/strong> 2h minimum<br>\n                                <strong>Water temperature:<\/strong> 20\u00b15\u00b0C<br>\n                                <strong>Test voltage:<\/strong> 2.5kV AC, 5 min\n                            <\/div>\n                        <\/div>\n\n                        <div class=\"test-card\">\n                            <div class=\"test-card-header\">\n                                <span class=\"test-card-title\">Insulation Resistance<\/span>\n                                <span class=\"test-category-badge\">T, F<\/span>\n                            <\/div>\n                            <div class=\"test-parameters\">\n                                <strong>Standard:<\/strong> DIN VDE 0472 Part 502<br>\n                                <strong>Method:<\/strong> Method B<br>\n                                <strong>Minimum:<\/strong> 20M\u03a9\/km at 20\u00b0C\n                            <\/div>\n                        <\/div>\n\n                        <div class=\"test-card\">\n                            <div class=\"test-card-header\">\n                                <span class=\"test-card-title\">Surface Resistance<\/span>\n                                <span class=\"test-category-badge\">T<\/span>\n                            <\/div>\n                            <div class=\"test-parameters\">\n                                <strong>Standard:<\/strong> DIN VDE 0472 Part 503<br>\n                                <strong>Method:<\/strong> Method B<br>\n                                <strong>Minimum:<\/strong> 10\u2079 \u03a9\n                            <\/div>\n                        <\/div>\n                    <\/div>\n                <\/div>\n\n                <div class=\"subsection\">\n                    <h3 class=\"subsection-title\">Table 4: Mechanical and Thermal Tests<\/h3>\n                    \n                    <div class=\"test-matrix\">\n                        <div class=\"test-card\">\n                            <div class=\"test-card-header\">\n                                <span class=\"test-card-title\">Tensile Strength &#038; Elongation<\/span>\n                                <span class=\"test-category-badge\">T<\/span>\n                            <\/div>\n                            <div class=\"test-parameters\">\n                                <strong>Components:<\/strong> Insulation, sheaths<br>\n                                <strong>Standard:<\/strong> DIN VDE 0472 Part 602<br>\n                                <strong>Condition:<\/strong> Before and after aging\n                            <\/div>\n                        <\/div>\n\n                        <div class=\"test-card\">\n                            <div class=\"test-card-header\">\n                                <span class=\"test-card-title\">Air Oven Aging<\/span>\n                                <span class=\"test-category-badge\">T<\/span>\n                            <\/div>\n                            <div class=\"test-parameters\">\n                                <strong>Standard:<\/strong> DIN VDE 0472 Part 303<br>\n                                <strong>Method:<\/strong> Method A<br>\n                                <strong>Components:<\/strong> All polymeric materials\n                            <\/div>\n                        <\/div>\n\n                        <div class=\"test-card\">\n                            <div class=\"test-card-header\">\n                                <span class=\"test-card-title\">Air Bomb Aging<\/span>\n                                <span class=\"test-category-badge\">T<\/span>\n                            <\/div>\n                            <div class=\"test-parameters\">\n                                <strong>Standard:<\/strong> DIN VDE 0472 Part 303<br>\n                                <strong>Method:<\/strong> Method C<br>\n                                <strong>Component:<\/strong> Insulation only\n                            <\/div>\n                        <\/div>\n\n                        <div class=\"test-card\">\n                            <div class=\"test-card-header\">\n                                <span class=\"test-card-title\">Hot Set Test<\/span>\n                                <span class=\"test-category-badge\">T<\/span>\n                            <\/div>\n                            <div class=\"test-parameters\">\n                                <strong>Standard:<\/strong> DIN VDE 0472 Part 615<br>\n                                <strong>Components:<\/strong> Insulation and sheaths<br>\n                                <strong>Temperature:<\/strong> 200\u00b0C, 15 min\n                            <\/div>\n                        <\/div>\n\n                        <div class=\"test-card\">\n                            <div class=\"test-card-header\">\n                                <span class=\"test-card-title\">Abrasion Resistance<\/span>\n                                <span class=\"test-category-badge\">T<\/span>\n                            <\/div>\n                            <div class=\"test-parameters\">\n                                <strong>Standard:<\/strong> DIN VDE 0472 Part 605<br>\n                                <strong>Method:<\/strong> Method A<br>\n                                <strong>Component:<\/strong> Outer sheath\n                            <\/div>\n                        <\/div>\n\n                        <div class=\"test-card\">\n                            <div class=\"test-card-header\">\n                                <span class=\"test-card-title\">Tear Resistance<\/span>\n                                <span class=\"test-category-badge\">T<\/span>\n                            <\/div>\n                            <div class=\"test-parameters\">\n                                <strong>Standard:<\/strong> DIN VDE 0472 Part 613<br>\n                                <strong>Component:<\/strong> Outer sheath<br>\n                                <strong>Note:<\/strong> Draft standard at publication\n                            <\/div>\n                        <\/div>\n                    <\/div>\n                <\/div>\n\n                <div class=\"subsection\">\n                    <h3 class=\"subsection-title\">Table 4: Environmental Performance Tests<\/h3>\n                    \n                    <div class=\"test-matrix\">\n                        <div class=\"test-card\">\n                            <div class=\"test-card-header\">\n                                <span class=\"test-card-title\">Oil Resistance<\/span>\n                                <span class=\"test-category-badge\">T<\/span>\n                            <\/div>\n                            <div class=\"test-parameters\">\n                                <strong>Standard:<\/strong> DIN VDE 0472 Part 803<br>\n                                <strong>Method:<\/strong> Method A<br>\n                                <strong>Component:<\/strong> Outer sheath<br>\n                                <strong>Oil type:<\/strong> IRM 902\n                            <\/div>\n                        <\/div>\n\n                        <div class=\"test-card\">\n                            <div class=\"test-card-header\">\n                                <span class=\"test-card-title\">Reaction to Fire<\/span>\n                                <span class=\"test-category-badge\">T<\/span>\n                            <\/div>\n                            <div class=\"test-parameters\">\n                                <strong>Standard:<\/strong> DIN VDE 0472 Part 804<br>\n                                <strong>Method:<\/strong> Method B<br>\n                                <strong>Test:<\/strong> Single cable flame test\n                            <\/div>\n                        <\/div>\n\n                        <div class=\"test-card\">\n                            <div class=\"test-card-header\">\n                                <span class=\"test-card-title\">Dimensional Check<\/span>\n                                <span class=\"test-category-badge\">T, F<\/span>\n                            <\/div>\n                            <div class=\"test-parameters\">\n                                <strong>Insulation:<\/strong> DIN VDE 0472 Part 402 Method A<br>\n                                <strong>Sheaths:<\/strong> DIN VDE 0472 Part 402 Method B<br>\n                                <strong>Overall diameter:<\/strong> DIN VDE 0472 Part 401\n                            <\/div>\n                        <\/div>\n                    <\/div>\n                <\/div>\n\n                <div class=\"compliance-note\">\n                    <div class=\"compliance-note-header\">\n                        Test Categories\n                    <\/div>\n                    <p><strong>T (Type test):<\/strong> Performed on new cable designs for type approval<br>\n                    <strong>F (Sampling test):<\/strong> Routine production quality control testing on samples<\/p>\n                <\/div>\n            <\/div>\n        <\/section>\n\n        <section class=\"section\">\n            <div class=\"section-header\">\n                <span class=\"section-number\">\u00a76<\/span>\n                <h2 class=\"section-title\">Anwendung (Application)<\/h2>\n            <\/div>\n            <div class=\"section-content\">\n                <p>Application of cables shall be according to <span class=\"reference-standard\">DIN VDE 0298 Part 3<\/span> &#8220;Application of wires and cables for power installation&#8221;.<\/p>\n                \n                <div class=\"specification-grid\">\n                    <div class=\"spec-card\">\n                        <div class=\"spec-card-header\">Current Rating<\/div>\n                        <div class=\"spec-card-value\">Per VDE 0298-3<\/div>\n                        <div class=\"spec-card-detail\">Based on installation method, ambient temperature, and grouping factors<\/div>\n                    <\/div>\n                    <div class=\"spec-card\">\n                        <div class=\"spec-card-header\">Bending Radius<\/div>\n                        <div class=\"spec-card-value\">6 \u00d7 D minimum<\/div>\n                        <div class=\"spec-card-detail\">D = cable outer diameter<br>Fixed installation conditions<\/div>\n                    <\/div>\n                    <div class=\"spec-card\">\n                        <div class=\"spec-card-header\">Installation Temperature<\/div>\n                        <div class=\"spec-card-value\">\u2265 -5\u00b0C<\/div>\n                        <div class=\"spec-card-detail\">Below -5\u00b0C requires preheating<\/div>\n                    <\/div>\n                <\/div>\n            <\/div>\n        <\/section>\n\n        <section class=\"section\">\n            <div class=\"section-header\">\n                <span class=\"section-number\">\u00a77<\/span>\n                <h2 class=\"section-title\">Kennzeichnung (Marking)<\/h2>\n            <\/div>\n            <div class=\"section-content\">\n                <p>In addition to marking per <span class=\"reference-standard\">DIN VDE 0250 Part 1<\/span>, continuous embossed marking on outer sheath shall include:<\/p>\n                \n                <table class=\"technical-table\">\n                    <thead>\n                        <tr>\n                            <th>Marking Element<\/th>\n                            <th>Format<\/th>\n                            <th>Example<\/th>\n                            <th>Position<\/th>\n                        <\/tr>\n                    <\/thead>\n                    <tbody>\n                        <tr>\n                            <td>Full type designation<\/td>\n                            <td>Complete code<\/td>\n                            <td>NSSH\u00d6U-J<\/td>\n                            <td>Continuous<\/td>\n                        <\/tr>\n                        <tr>\n                            <td>Number and cross-section<\/td>\n                            <td>n \u00d7 mm\u00b2<\/td>\n                            <td>4\u00d716<\/td>\n                            <td>After type<\/td>\n                        <\/tr>\n                        <tr>\n                            <td>Grounding conductor<\/td>\n                            <td>With suffix<\/td>\n                            <td>\/3, \/3E, KON<\/td>\n                            <td>If applicable<\/td>\n                        <\/tr>\n                        <tr>\n                            <td>Manufacturer name<\/td>\n                            <td>Full or abbreviated<\/td>\n                            <td>FEICHUN or FC<\/td>\n                            <td>Continuous<\/td>\n                        <\/tr>\n                        <tr>\n                            <td>Year of manufacture<\/td>\n                            <td>Full or abbreviated<\/td>\n                            <td>2024 or &#8220;24&#8221;<\/td>\n                            <td>Continuous<\/td>\n                        <\/tr>\n                        <tr>\n                            <td>VDE mark<\/td>\n                            <td>If certified<\/td>\n                            <td>VDE symbol<\/td>\n                            <td>Adjacent to type<\/td>\n                        <\/tr>\n                    <\/tbody>\n                <\/table>\n\n                <div class=\"test-requirement\">\n                    <div class=\"test-requirement-header\">Marking Requirements<\/div>\n                    <p>Characters must be embossed (raised) on the outer sheath for permanent identification. Marking interval shall not exceed one meter.<\/p>\n                <\/div>\n            <\/div>\n        <\/section>\n\n        <section class=\"section\">\n            <div class=\"section-header\">\n                <span class=\"section-number\">Annex<\/span>\n                <h2 class=\"section-title\">Normative References<\/h2>\n            <\/div>\n            <div class=\"section-content\">\n                <table class=\"technical-table\">\n                    <thead>\n                        <tr>\n                            <th>Standard<\/th>\n                            <th>Title<\/th>\n                            <th>Application in p.812<\/th>\n                        <\/tr>\n                    <\/thead>\n                    <tbody>\n                        <tr>\n                            <td>DIN VDE 0207 Series<\/td>\n                            <td>Insulation and sheathing compounds<\/td>\n                            <td>Material specifications<\/td>\n                        <\/tr>\n                        <tr>\n                            <td>DIN VDE 0207 Part 20<\/td>\n                            <td>Rubber insulation compounds<\/td>\n                            <td>3GI3 insulation specification<\/td>\n                        <\/tr>\n                        <tr>\n                            <td>DIN VDE 0207 Part 21<\/td>\n                            <td>Rubber sheathing compounds<\/td>\n                            <td>GM1b inner, 5GM5 outer sheath<\/td>\n                        <\/tr>\n                        <tr>\n                            <td>DIN VDE 0250 Part 1<\/td>\n                            <td>General requirements<\/td>\n                            <td>Basic cable requirements<\/td>\n                        <\/tr>\n                        <tr>\n                            <td>DIN VDE 0293<\/td>\n                            <td>Conductor colour coding<\/td>\n                            <td>Phase and ground identification<\/td>\n                        <\/tr>\n                        <tr>\n                            <td>DIN VDE 0295<\/td>\n                            <td>Conductors for cables<\/td>\n                            <td>Class 5 conductor specification<\/td>\n                        <\/tr>\n                        <tr>\n                            <td>DIN VDE 0298 Part 3<\/td>\n                            <td>Application of cables<\/td>\n                            <td>Current rating and installation<\/td>\n                        <\/tr>\n                        <tr>\n                            <td>DIN VDE 0472 Series<\/td>\n                            <td>Testing of cables<\/td>\n                            <td>All test methods<\/td>\n                        <\/tr>\n                    <\/tbody>\n                <\/table>\n\n                <div class=\"compliance-note\">\n                    <div class=\"compliance-note-header\">\n                        Standard Development History\n                    <\/div>\n                    <p><strong>Previous edition:<\/strong> VDE 0250: 03.69<br>\n                    <strong>Major changes:<\/strong> Former paragraph 812 revised as independent standard, 6kV construction cancelled, references to other standards implemented to avoid repetition<br>\n                    <strong>Technical commission:<\/strong> UK 411.2 &#8220;Cables, wires and flexible cords for power installation&#8221; of DKE<\/p>\n                <\/div>\n            <\/div>\n        <\/section>\n\n        <section class=\"section\">\n            <div class=\"section-header\">\n                <span class=\"section-number\">Tables<\/span>\n                <h2 class=\"section-title\">Reference Tables Summary<\/h2>\n            <\/div>\n            <div class=\"section-content\">\n                <table class=\"technical-table\">\n                    <thead>\n                        <tr>\n                            <th>Table<\/th>\n                            <th>Title<\/th>\n                            <th>Content<\/th>\n                            <th>Columns<\/th>\n                        <\/tr>\n                    <\/thead>\n                    <tbody>\n                        <tr>\n                            <td>Table 1<\/td>\n                            <td>Coordination table<\/td>\n                            <td>Cross-sections, insulation thickness, sheath thickness<\/td>\n                            <td>21 columns<\/td>\n                        <\/tr>\n                        <tr>\n                            <td>Table 2<\/td>\n                            <td>Sheath thickness<\/td>\n                            <td>For configurations not in Table 1<\/td>\n                            <td>3 columns<\/td>\n                        <\/tr>\n                        <tr>\n                            <td>Table 3<\/td>\n                            <td>Overall diameter<\/td>\n                            <td>Maximum diameters with\/without spacer<\/td>\n                            <td>12 columns<\/td>\n                        <\/tr>\n                        <tr>\n                            <td>Table 4<\/td>\n                            <td>Testing requirements<\/td>\n                            <td>Complete test specifications<\/td>\n                            <td>3 columns<\/td>\n                        <\/tr>\n                    <\/tbody>\n                <\/table>\n\n                <div class=\"test-requirement\">\n                    <div class=\"test-requirement-header\">Critical Table References<\/div>\n                    <p>Tables 1-3 define dimensional requirements essential for cable construction. Table 4 defines all mandatory testing. Compliance with all table requirements is mandatory for DIN VDE 0250 p.812 certification.<\/p>\n                <\/div>\n            <\/div>\n        <\/section>\n    <\/main>\n\n    <footer>\n        <p><strong>FEICHUN Cable (Anhui Feichun Special Cable Co., Ltd. \u5b89\u5fbd\u98de\u7eaf\u7279\u79cd\u7535\u7f06\u6709\u9650\u516c\u53f8)<\/strong><\/p>\n        <p>Technical Documentation &#8211; DIN VDE 0250 Part 812 Specialist<\/p>\n        <p>International Technical Support: +86 138 55123218 | tech@feichuncables.com<\/p>\n        <p style=\"margin-top: 20px;\">\u00a9 2024 FEICHUN Cable. 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