{"id":4837,"date":"2026-01-22T13:57:09","date_gmt":"2026-01-22T05:57:09","guid":{"rendered":"https:\/\/feichuncables.com\/blog\/?p=4837"},"modified":"2026-01-22T13:57:12","modified_gmt":"2026-01-22T05:57:12","slug":"how-to-interpret-the-suffix-fo-or-lwl-in-vde-cable-designations","status":"publish","type":"post","link":"https:\/\/feichuncables.com\/blog\/how-to-interpret-the-suffix-fo-or-lwl-in-vde-cable-designations\/","title":{"rendered":"How to Interpret the Suffix &#8220;-FO&#8221; or &#8220;LWL&#8221; in VDE Cable Designations"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img data-dominant-color=\"6d8189\" data-has-transparency=\"false\" style=\"--dominant-color: #6d8189;\" loading=\"lazy\" decoding=\"async\" width=\"1014\" height=\"604\" sizes=\"auto, (max-width: 1014px) 100vw, 1014px\" src=\"https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-557.avif\" alt=\"\" class=\"wp-image-4838 not-transparent\" title=\"\" srcset=\"https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-557.avif 1014w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-557-300x179.avif 300w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-557-768x457.avif 768w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-557-400x238.avif 400w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-557-800x477.avif 800w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-557-832x496.avif 832w\" \/><\/figure>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n<meta charset=\"UTF-8\">\n<title>Interpreting &#8220;-FO&#8221; and &#8220;LWL&#8221; Suffixes in VDE Cable Models<\/title>\n<style>\n    \/* Base structural styles only - NO COLORS *\/\n    .article-container {\n        width: 100%;\n        max-width: 100%;\n        margin: 0 auto;\n        font-family: system-ui, -apple-system, sans-serif;\n        line-height: 1.6;\n    }\n    \n    \/* Professional Industrial Table Layout *\/\n    .tech-table {\n        width: 100%;\n        border-collapse: collapse;\n        margin: 20px 0;\n        font-size: 0.95em;\n    }\n    \n    .tech-table th, .tech-table td {\n        border: 1px solid currentColor; \/* Adapts to text color *\/\n        padding: 12px;\n        text-align: left;\n        vertical-align: top;\n    }\n    \n    .tech-table th {\n        text-transform: uppercase;\n        letter-spacing: 0.5px;\n        font-weight: 700;\n        border-bottom: 2px solid currentColor;\n    }\n\n    \/* Bilingual Section Styling *\/\n    .bilingual-block {\n        margin-bottom: 25px;\n        padding-bottom: 15px;\n        border-bottom: 1px dashed currentColor;\n    }\n\n    .en-text {\n        font-weight: 600;\n        font-size: 1.1em;\n        display: block;\n        margin-bottom: 8px;\n    }\n\n    .cn-text {\n        font-weight: 400;\n        opacity: 0.85; \/* Slightly muted for hierarchy *\/\n        display: block;\n        font-size: 0.95em;\n    }\n\n    \/* Contact Box - Industrial Style *\/\n    .contact-box {\n        border: 2px solid currentColor;\n        padding: 20px;\n        margin-top: 40px;\n        text-align: center;\n    }\n\n    h1, h2, h3 { margin-top: 1.5em; }\n    ul { margin-bottom: 1.5em; }\n<\/style>\n<\/head>\n<body>\n\n<div class=\"article-container\">\n\n    <header>\n        <h1>How to Interpret the Suffix &#8220;-FO&#8221; or &#8220;LWL&#8221; in VDE Cable Designations<\/h1>\n        <p><strong>Technical Analysis by Anhui Feichun Special Cable Co., Ltd.<\/strong><br>\n        <em>Specialists in Mining, Port Machinery, and Heavy-Duty Industrial Cables<\/em><\/p>\n    <\/header>\n\n    <hr>\n\n    <section>\n        <h2>1. The Core Meaning of &#8220;-FO&#8221; and &#8220;LWL&#8221;<\/h2>\n        \n        <div class=\"bilingual-block\">\n            <span class=\"en-text\">In the context of VDE (Verband der Elektrotechnik) cable standards, the suffixes <strong>&#8220;-FO&#8221;<\/strong> and <strong>&#8220;LWL&#8221;<\/strong> unequivocally refer to the inclusion of Fiber Optic elements within the cable structure.<\/span>\n            <span class=\"cn-text\">\u5728VDE\uff08\u5fb7\u56fd\u7535\u6c14\u5de5\u7a0b\u5e08\u534f\u4f1a\uff09\u7535\u7f06\u6807\u51c6\u4e2d\uff0c\u540e\u7f00 <strong>&#8220;-FO&#8221;<\/strong> \u548c <strong>&#8220;LWL&#8221;<\/strong> \u660e\u786e\u8868\u793a\u7535\u7f06\u7ed3\u6784\u4e2d\u5305\u542b\u5149\u7ea4\u5143\u4ef6\u3002<\/span>\n        <\/div>\n\n        <table class=\"tech-table\">\n            <thead>\n                <tr>\n                    <th>Designation (\u578b\u53f7\u6807\u8bc6)<\/th>\n                    <th>Full Name (\u5168\u79f0)<\/th>\n                    <th>Origin Language (\u6e90\u8bed\u8a00)<\/th>\n                    <th>Technical Definition (\u6280\u672f\u5b9a\u4e49)<\/th>\n                <\/tr>\n            <\/thead>\n            <tbody>\n                <tr>\n                    <td><strong>LWL<\/strong><\/td>\n                    <td>Lichtwellenleiter<\/td>\n                    <td>German (\u5fb7\u8bed)<\/td>\n                    <td>Waveguide for light; specifically referencing DIN VDE 0888 standard for optical fiber transmission.<\/td>\n                <\/tr>\n                <tr>\n                    <td><strong>-FO<\/strong><\/td>\n                    <td>Fiber Optic<\/td>\n                    <td>English (\u82f1\u8bed)<\/td>\n                    <td>International designation often used in export models to indicate the same optical capability as LWL.<\/td>\n                <\/tr>\n            <\/tbody>\n        <\/table>\n    <\/section>\n\n    <section>\n        <h2>2. Application in Hybrid Cables (Power + Data)<\/h2>\n        \n        <div class=\"bilingual-block\">\n            <span class=\"en-text\">These suffixes rarely appear on standard optical cables (which start with &#8216;A-&#8216; or &#8216;J-&#8216;). Instead, they are most critical when appended to <strong>Heavy-Duty Hybrid Cables<\/strong>. These cables combine high-voltage power conductors with sensitive fiber optic cores for data transmission in dynamic machinery.<\/span>\n            <span class=\"cn-text\">\u8fd9\u4e9b\u540e\u7f00\u5f88\u5c11\u51fa\u73b0\u5728\u6807\u51c6\u5149\u7f06\uff08\u901a\u5e38\u4ee5&#8217;A-&#8216;\u6216&#8217;J-&#8216;\u5f00\u5934\uff09\u4e0a\u3002\u76f8\u53cd\uff0c\u5b83\u4eec\u4e3b\u8981\u7528\u4e8e<strong>\u91cd\u578b\u6df7\u5408\u7535\u7f06<\/strong>\u3002\u8fd9\u4e9b\u7535\u7f06\u7ed3\u5408\u4e86\u9ad8\u538b\u52a8\u529b\u5bfc\u4f53\u548c\u7528\u4e8e\u52a8\u6001\u673a\u68b0\u6570\u636e\u4f20\u8f93\u7684\u654f\u611f\u5149\u7ea4\u82af\u3002<\/span>\n        <\/div>\n\n        <p><strong>Common Industry Examples (\u5e38\u89c1\u5de5\u4e1a\u793a\u4f8b):<\/strong><\/p>\n        <ul>\n            <li><strong>Reeling Cables (\u5377\u76d8\u7535\u7f06):<\/strong> Used in port cranes (STS\/RTG) where the cable must carry power to the hoist while simultaneously transmitting camera\/sensor data via the FO element.<\/li>\n            <li><strong>Mining Trailing Cables (\u77ff\u7528\u62d6\u66f3\u7535\u7f06):<\/strong> Used in tunnel boring machines (TBM) or shearers requiring real-time control data.<\/li>\n        <\/ul>\n\n        <div class=\"bilingual-block\">\n            <span class=\"en-text\"><strong>Technical Note:<\/strong> In a designated model like <code>(N)TSCGEW\u00d6U-FO<\/code>, the cable complies with VDE 0250 for the electrical components, while the integrated optical unit complies with VDE 0888.<\/span>\n            <span class=\"cn-text\"><strong>\u6280\u672f\u8bf4\u660e\uff1a<\/strong> \u5728\u5982 <code>(N)TSCGEW\u00d6U-FO<\/code> \u7684\u578b\u53f7\u4e2d\uff0c\u7535\u7f06\u7684\u7535\u6c14\u90e8\u5206\u7b26\u5408 VDE 0250 \u6807\u51c6\uff0c\u800c\u96c6\u6210\u7684\u5149\u7ea4\u5355\u5143\u5219\u7b26\u5408 VDE 0888 \u6807\u51c6\u3002<\/span>\n        <\/div>\n    <\/section>\n\n    <section>\n        <h2>3. Structural Comparison: Standard vs. Hybrid<\/h2>\n        \n        <table class=\"tech-table\">\n            <thead>\n                <tr>\n                    <th>Feature (\u7279\u6027)<\/th>\n                    <th>Standard Electrical Cable (\u666e\u901a\u7535\u529b\u7535\u7f06)<\/th>\n                    <th>Hybrid Cable with -FO\/LWL (\u5149\u7ea4\u590d\u5408\u7535\u7f06)<\/th>\n                <\/tr>\n            <\/thead>\n            <tbody>\n                <tr>\n                    <td><strong>Core Components<\/strong><\/td>\n                    <td>Copper conductors only (Phase + Earth).<\/td>\n                    <td>Copper Phase\/Earth + <strong>Optical Module (62.5\/125\u00b5m or 9\/125\u00b5m)<\/strong>.<\/td>\n                <\/tr>\n                <tr>\n                    <td><strong>Dynamic Stress<\/strong><\/td>\n                    <td>Designed for tension and torsion.<\/td>\n                    <td>Requires specialized <strong>strain relief (aramid yarn)<\/strong> to protect fragile glass fibers during reeling.<\/td>\n                <\/tr>\n                <tr>\n                    <td><strong>Electromagnetic Interference (EMI)<\/strong><\/td>\n                    <td>Susceptible to EMI if not shielded.<\/td>\n                    <td><strong>Immune to EMI.<\/strong> The -FO element allows interference-free data transfer right next to high-voltage power cores.<\/td>\n                <\/tr>\n            <\/tbody>\n        <\/table>\n    <\/section>\n\n    <section>\n        <h2>4. Why Choose Anhui Feichun for Special FO Cables?<\/h2>\n        \n        <div class=\"bilingual-block\">\n            <span class=\"en-text\">Anhui Feichun Special Cable Co., Ltd. specializes in engineering these complex hybrid cables. Integrating glass fiber into a heavy rubber mining cable requires precise manufacturing to prevent fiber breakage under extreme tension (tensile loads often exceeding 2000N).<\/span>\n            <span class=\"cn-text\">\u5b89\u5fbd\u98de\u7eaf\u7279\u79cd\u7535\u7f06\u6709\u9650\u516c\u53f8\u4e13\u6ce8\u4e8e\u8bbe\u8ba1\u8fd9\u4e9b\u590d\u6742\u7684\u6df7\u5408\u7535\u7f06\u3002\u5c06\u73bb\u7483\u5149\u7ea4\u96c6\u6210\u5230\u91cd\u578b\u6a61\u80f6\u77ff\u7528\u7535\u7f06\u4e2d\u9700\u8981\u7cbe\u5bc6\u7684\u5236\u9020\u5de5\u827a\uff0c\u4ee5\u9632\u6b62\u5149\u7ea4\u5728\u6781\u7aef\u5f20\u529b\uff08\u62c9\u4f38\u8f7d\u8377\u901a\u5e38\u8d85\u8fc72000N\uff09\u4e0b\u65ad\u88c2\u3002<\/span>\n        <\/div>\n\n        <p><strong>Our Capabilities (\u6211\u4eec\u7684\u80fd\u529b):<\/strong><\/p>\n        <ul>\n            <li>Manufacturing to <strong>DIN VDE 0250<\/strong> (Power) and <strong>DIN VDE 0888<\/strong> (Optical) standards.<\/li>\n            <li>Custom hybrid designs for <strong>Ship-to-Shore (STS) Cranes<\/strong> and <strong>Underground Mining<\/strong>.<\/li>\n            <li>Options for Single-mode (E9\/125) and Multi-mode (G50\/125, G62.5\/125) fibers.<\/li>\n        <\/ul>\n    <\/section>\n\n    <div class=\"contact-box\">\n        <h3>Contact Anhui Feichun Special Cable Co., Ltd.<\/h3>\n        <p><strong>Global Technical Support &#038; Sales:<\/strong><\/p>\n        \n        <table class=\"tech-table\" style=\"width: auto; margin: 0 auto; text-align: left;\">\n            <tr>\n                <td><strong>WhatsApp:<\/strong><\/td>\n                <td><a href=\"https:\/\/wa.me\/8613855123218\" rel=\"nofollow noopener\" target=\"_blank\">+86 13855123218<\/a><\/td>\n            <\/tr>\n            <tr>\n                <td><strong>Technical Email:<\/strong><\/td>\n                <td><a href=\"mailto:tech@feichuncables.com\" rel=\"nofollow\">tech@feichuncables.com<\/a><\/td>\n            <\/tr>\n            <tr>\n                <td><strong>Sales Email (Zihao Yang):<\/strong><\/td>\n                <td><a href=\"mailto:zihao.yang@feichuncables.com\" rel=\"nofollow\">zihao.yang@feichuncables.com<\/a><\/td>\n            <\/tr>\n            <tr>\n                <td><strong>Sales Email (Ziyu Huang):<\/strong><\/td>\n                <td><a href=\"mailto:ziyu.huang@feichuncables.com\" rel=\"nofollow\">ziyu.huang@feichuncables.com<\/a><\/td>\n            <\/tr>\n        <\/table>\n        \n        <p style=\"margin-top: 15px; font-size: 0.85em;\">\n            <em>Authoritative References: DIN VDE 0250 (Mining Cables), DIN VDE 0888 (Optical Cables).<\/em>\n        <\/p>\n    <\/div>\n\n<\/div>\n\n<\/body>\n<\/html>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"In the context of VDE (Verband der Elektrotechnik) cable standards, the suffixes &#8220;-FO&#8221; and &#8220;LWL&#8221; unequivocally refer to the inclusion of Fiber Optic elements within the cable structure.\n\u5728VDE\uff08\u5fb7\u56fd\u7535\u6c14\u5de5\u7a0b\u5e08\u534f\u4f1a\uff09\u7535\u7f06\u6807\u51c6\u4e2d\uff0c\u540e\u7f00 &#8220;-FO&#8221; \u548c &#8220;LWL&#8221; \u660e\u786e\u8868\u793a\u7535\u7f06\u7ed3\u6784\u4e2d\u5305\u542b\u5149\u7ea4\u5143\u4ef6\u3002","protected":false},"author":1,"featured_media":4838,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"csco_singular_sidebar":"left","csco_page_header_type":"title","csco_page_load_nextpost":"","footnotes":""},"categories":[66,94,56],"tags":[32128,2484,16,11047,32137,16323,28993,32125,32132,2794,16313,9165,29205,32124,32130,166,12016,32127,1032,17,32126,32129,9353,31954,32133,10130,32140,32138,32139,32131,32135,32134,32141,32136],"class_list":["post-4837","post","type-post","status-publish","format-standard","has-post-thumbnail","category-common-problems-encountered-in-cable-applications","category-din-vde-0250-mining-cable","category-reeling-cable","tag-ntscgewou-fo","tag-anhui-feichun-special-cable","tag-din-vde-0250","tag-din-vde-0888","tag-fiber-optic-hybrid-cable","tag-flexible-fiber-optic-cable","tag-fo-cable-suffix","tag-fo","tag-heavy-duty-crane-cable","tag-hybrid-power-data-cable","tag-industrial-automation-cable","tag-lichtwellenleiter-cable","tag-lwl-cable-meaning","tag-lwl","tag-medium-voltage-reeling-cable","tag-mining-cable-with-fiber-optics","tag-optical-fiber-element","tag-port-machinery-cable","tag-reeling-cable","tag-reeling-cable-fo","tag-trailing-cable-specs","tag-vde-cable-standards","tag-vde","tag-32133","tag-10130","tag-32140","tag-32139","tag-32131","tag-32135","tag-32134","tag-32141","tag-32136","cs-entry"],"_links":{"self":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/4837","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/comments?post=4837"}],"version-history":[{"count":2,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/4837\/revisions"}],"predecessor-version":[{"id":4840,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/4837\/revisions\/4840"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/media\/4838"}],"wp:attachment":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/media?parent=4837"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/categories?post=4837"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/tags?post=4837"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}