{"id":1272,"date":"2026-09-23T00:06:31","date_gmt":"2026-09-23T00:06:31","guid":{"rendered":"https:\/\/luliancable.com\/products\/control-cable\/lszh-control-cable\/"},"modified":"2026-10-12T04:00:48","modified_gmt":"2026-10-12T04:00:48","slug":"lszh-control-cable","status":"publish","type":"page","link":"https:\/\/luliancable.com\/ru\/products\/control-cable\/lszh-control-cable\/","title":{"rendered":"LSZH Control Cable (WDZC-KYJY)"},"content":{"rendered":"\n\n\n<style>\n.lllz{--red:#E30613;--ink:#101720;--mut:#5b6673;--line:#e2e6ea;--soft:#f4f6f8;--green:#1e7d43;color:var(--ink);line-height:1.6}\n.lllz *{box-sizing:border-box}\n.lllz h2{font-size:26px;line-height:1.2;margin:0 0 10px;color:var(--ink)}\n.lllz h3{font-size:18px;margin:0 0 8px;color:var(--ink)}\n.lllz p{margin:0 0 12px}\n.lllz .k{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--red);font-weight:700;margin-bottom:8px}\n.lllz .wrap{max-width:1180px;margin:0 auto;padding:0 24px}\n.lllz 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style=\"color:#e8b0a5\">CONTROL CABLE \u00b7 LSZH \u00b7 GB\/T 9330-2020 \u00b7 TYPE TEST 202521001018<\/p>\n    <h1>LSZH Control Cable \u2014 with the test report, not just the claim.<\/h1>\n    <p>Low smoke zero halogen flame-retardant control cable for tunnels, metros, data centres and public buildings. Our WDZC-KYJY passed a complete third-party type test against GB\/T 9330-2020 \u2014 smoke transmittance 80 % against a 60 % requirement, bunched flame class C, halogen-free. The measured values are published below.<\/p>\n    <div class=\"chips\"><span class=\"chip\">450\/750 V<\/span><span class=\"chip\">2\u201361 cores<\/span><span class=\"chip\">0.75\u201310 mm\u00b2<\/span><span class=\"chip\">IEC 60332-3C<\/span><span class=\"chip\">Smoke 80 % (req \u226560 %)<\/span><\/div>\n  <\/div><\/div>\n\n  <div class=\"sec\"><div class=\"wrap\">\n    <p class=\"k\">\u00a701 \u2014 Third-party type test evidence<\/p>\n    <!--LU-TEST-CALLOUT-->\n<div style=\"margin:18px 0;padding:14px 18px;border:1px solid #242424;border-left:3px solid #E3A469;background:#0F0F0F;border-radius:8px;color:#98A0A8;font-size:13.5px;line-height:1.65\"><strong style=\"color:#E3A469\">Third-party verified.<\/strong> Our LSZH control cable is verified by independent test report <strong style=\"color:#C9CED4\">No.&nbsp;202521001018<\/strong> &mdash; WDZC-KYJY 450\/750&nbsp;V, 37&nbsp;&times;&nbsp;1.5&nbsp;mm&sup2;, to GB\/T 9330-2020; smoke transmittance 80% (low-corrosive, flame-retardant). Full measured values are shown below.<\/div>\n<h2>Report No. 202521001018 \u2014 measured values, not marketing words.<\/h2>\n    <p>Type test of WDZC-KYJY 450\/750 V 37\u00d71.5 by Qingdao Product Quality Testing Research Institute \/ National Electronics and Electric Appliance Safety Quality Inspection and Testing Center (CNAS L1184), against GB\/T 9330-2020. Conclusion: conforms.<\/p>\n    <div class=\"grid2\">\n      <div>\n        <h3>Electrical &amp; construction results<\/h3>\n        <!--LU-SPEC-NOTE-->\n<div style=\"margin:18px 0;padding:14px 18px;border:1px solid #242424;border-left:3px solid #E3A469;background:#0F0F0F;border-radius:8px;color:#98A0A8;font-size:13.5px;line-height:1.65\"><strong style=\"color:#E3A469\">Technical data &mdash; reference only.<\/strong> Figures in the tables below are reference values for early-stage project comparison. Conductor size, insulation and sheath thickness, overall diameter, DC resistance and ampacity are confirmed against the approved cable schedule and the applicable standard (GB\/T 9330 \/ IEC 60245) before production. Ampacity is quoted for installation in free air at 40&nbsp;&#176;C ambient; ratings for buried, in-conduit or tray installation differ. Dimensional and electrical tolerances follow the relevant standard.<\/div>\n<table>\n          <tr><th>Test item<\/th><th>Requirement<\/th><th>Measured<\/th><\/tr>\n          <tr><td>Conductor DC resistance at 20 \u00b0C<\/td><td>\u2264 12.1 \u03a9\/km<\/td><td class=\"pass\">11.5 \u03a9\/km<\/td><\/tr><tr><td>Finished cable voltage test (3000 V \/ 5 min)<\/td><td>No breakdown<\/td><td class=\"pass\">No breakdown<\/td><\/tr><tr><td>Core voltage test (2000 V \/ 5 min)<\/td><td>No breakdown<\/td><td class=\"pass\">No breakdown<\/td><\/tr><tr><td>Insulation resistance at 90 \u00b0C<\/td><td>\u2265 1.10 M\u03a9\u00b7km<\/td><td class=\"pass\">1090\u20132535 M\u03a9\u00b7km<\/td><\/tr><tr><td>Insulation thickness (average \/ minimum)<\/td><td>\u2265 0.6 \/ \u2265 0.44 mm<\/td><td class=\"pass\">0.7 \/ 0.64 mm<\/td><\/tr><tr><td>Sheath thickness (minimum)<\/td><td>\u2265 1.35 mm<\/td><td class=\"pass\">1.93 mm<\/td><\/tr><tr><td>Average overall diameter<\/td><td>\u2264 26.2 mm<\/td><td class=\"pass\">25.9 mm<\/td><\/tr>\n        <\/table>\n      <\/div>\n      <div>\n        <h3>Fire performance results<\/h3>\n        <table>\n          <tr><th>Test item<\/th><th>Requirement<\/th><th>Measured<\/th><\/tr>\n          <tr><td>Bunched flame test, class C (char height)<\/td><td>\u2264 2.5 m<\/td><td class=\"pass\">0.6 m<\/td><\/tr><tr><td>Single-core vertical flame test<\/td><td>Char limits per IEC 60332-1<\/td><td class=\"pass\">Passed, no dripping ignition<\/td><\/tr><tr><td>Smoke density (minimum light transmittance)<\/td><td>\u2265 60 %<\/td><td class=\"pass\">80 %<\/td><\/tr><tr><td>pH of evolved gases (insulation \/ tape \/ sheath)<\/td><td>\u2265 4.3<\/td><td class=\"pass\">5.3 \/ 5.0 \/ 5.1<\/td><\/tr><tr><td>Conductivity of evolved gases<\/td><td>\u2264 10 \u03bcS\/mm<\/td><td class=\"pass\">1 \u03bcS\/mm<\/td><\/tr><tr><td>Acid gas content<\/td><td>\u2264 0.5 %<\/td><td class=\"pass\">< 0.5 %<\/td><\/tr><tr><td>Fluorine content<\/td><td>\u2264 0.1 %<\/td><td class=\"pass\">Not detected (limit 0.02 %)<\/td><\/tr>\n        <\/table>\n      <\/div>\n    <\/div>\n    <div class=\"evi\">\n      <figure><img decoding=\"async\" src=\"https:\/\/luliancable.com\/wp-content\/uploads\/2026\/09\/lulian-test-report-202521001018-cover.jpg\" alt=\"Type test report cover No. 202521001018 for WDZC-KYJY LSZH control cable, Qingdao testing institute\" width=\"1071\" height=\"1514\"><figcaption>Report cover \u00b7 No. 202521001018 \u00b7 CNAS L1184<\/figcaption><\/figure>\n      <figure><img decoding=\"async\" src=\"https:\/\/luliancable.com\/wp-content\/uploads\/2026\/09\/lulian-test-report-202521001018-results.jpg\" alt=\"Test report results page showing measured conductor resistance and voltage test values\" width=\"1071\" height=\"1514\"><figcaption>Electrical results page (excerpt)<\/figcaption><\/figure>\n      <figure><img decoding=\"async\" src=\"https:\/\/luliancable.com\/wp-content\/uploads\/2026\/09\/lulian-test-report-202521001018-fire.jpg\" alt=\"Test report fire performance page showing bunched flame class C, smoke density 80 percent, pH and conductivity results\" width=\"1071\" height=\"1514\"><figcaption>Fire performance results page (excerpt)<\/figcaption><\/figure>\n    <\/div>\n    <p class=\"note\">Full report issued with the formal offer and available in the shipping document package. Values above are transcribed from report No. 202521001018 without alteration.<\/p>\n  <\/div><\/div>\n\n  <div class=\"sec\"><div class=\"wrap\">\n    <p class=\"k\">\u00a702 \u2014 Product range<\/p>\n    <h2>The WDZ family \u2014 built on the same compounds.<\/h2>\n    <div class=\"grid3\">\n      <div class=\"card\"><div class=\"num\">WDZC-KYJY<\/div><h3>LSZH control cable, class C<\/h3><p>XLPE insulation, polyolefin sheath, 450\/750 V. The tested construction shown on this page. Screened variants WDZC-KYJYP \/ KYJYP2 for EMI-sensitive loops.<\/p><\/div>\n      <div class=\"card\"><div class=\"num\">WDZ-YJY<\/div><h3>LSZH power cable 0.6\/1 kV<\/h3><p>Low-smoke halogen-free power distribution for buildings and tunnels; single and multi-core, armoured options.<\/p><\/div>\n      <div class=\"card\"><div class=\"num\">WDZN-YJY<\/div><h3>LSZH fire-resistant cable<\/h3><p>Adds fire-resistance (circuit integrity during fire, IEC 60331) on top of LSZH and flame-retardant ratings, for life-safety circuits.<\/p><\/div>\n    <\/div>\n  <\/div><\/div>\n\n  <div class=\"sec\"><div class=\"wrap\">\n    <p class=\"k\">\u00a703 \u2014 Standards<\/p>\n    <h2>Verified against these standards.<\/h2>\n    <div class=\"badges\"><span class=\"badge red\">GB\/T 9330-2020<\/span><span class=\"badge red\">IEC 60332-3C<\/span><span class=\"badge\">IEC 60332-1<\/span><span class=\"badge\">IEC 61034-1\/2 (smoke)<\/span><span class=\"badge\">IEC 60754-1\/2 (halogen)<\/span><span class=\"badge\">IEC 60331 (fire-resistant variants)<\/span><span class=\"badge\">GB\/T 19666<\/span><\/div>\n  <\/div><\/div>\n\n  <div class=\"sec\"><div class=\"wrap\">\n    <p class=\"k\">\u00a704 \u2014 Applications<\/p>\n    <h2>Where LSZH is not optional.<\/h2>\n    <div class=\"grid2\">\n      <div class=\"card\"><div class=\"num\">METRO &#038; TUNNEL<\/div><h3>Metro station and tunnel control circuits<\/h3><p>Emergency lighting, ventilation and fire-alarm control loops where smoke and halogen limits are mandatory.<\/p><\/div><div class=\"card\"><div class=\"num\">DATA CENTRE<\/div><h3>Data centre control cabling<\/h3><p>BMS and environmental monitoring control circuits in white space where corrosive gas is unacceptable.<\/p><\/div><div class=\"card\"><div class=\"num\">HOSPITAL &#038; PUBLIC<\/div><h3>Hospitals and public buildings<\/h3><p>Life-safety control wiring in occupied buildings \u2014 low smoke protects escape routes.<\/p><\/div><div class=\"card\"><div class=\"num\">AIRPORT &#038; RAIL<\/div><h3>Airport and railway control panels<\/h3><p>Signalling and interlocking control cables with low-smoke halogen-free requirements.<\/p><\/div>\n    <\/div>\n  <\/div><\/div>\n\n  <div class=\"sec\"><div class=\"wrap\">\n    <p class=\"k\">\u00a705 \u2014 FAQ<\/p>\n    <h2>Common questions on LSZH control cable.<\/h2>\n    <details><summary>What does LSZH mean, and how is it different from flame-retardant and fire-resistant?<\/summary><div class=\"a\"><p>They are three different properties. LSZH (Low Smoke Zero Halogen) describes what the cable emits when it burns: little smoke and no halogen acid gas (verified by IEC 61034 and IEC 60754). Flame-retardant (ZR) describes how well the cable resists flame propagation (IEC 60332). Fire-resistant (NH) describes whether the cable keeps working during a fire (IEC 60331). A cable can carry one, two or all three ratings \u2014 our WDZC-KYJY is LSZH + flame-retardant class C.<\/p><\/div><\/details><details><summary>Which standard does the WDZC-KYJY control cable comply with?<\/summary><div class=\"a\"><p>GB\/T 9330-2020 for the control cable itself, plus IEC 60332-3 class C for bunched flame performance, IEC 61034 for smoke density, and IEC 60754 for halogen acid gas. The complete type test was performed by Qingdao Product Quality Testing Research Institute (CNAS L1184) \u2014 report No. 202521001018.<\/p><\/div><\/details><details><summary>What sizes and core counts are available?<\/summary><div class=\"a\"><p>450\/750 V control cables from 2 to 61 cores, 0.75\u201310 mm\u00b2, copper class 1 or class 5 conductors, with or without copper-tape or braided screen (WDZC-KYJY \/ WDZC-KYJYP \/ WDZC-KYJYP2). Confirm the core count and screen requirement with your RFQ.<\/p><\/div><\/details><details><summary>Can you issue the type test report to our inspector?<\/summary><div class=\"a\"><p>Yes. The full report No. 202521001018 is shared with the formal offer and included in the shipping document package on request. Third-party witnessed tests (SGS \/ BV \/ Intertek) are available for project orders.<\/p><\/div><\/details><details><summary>Is LSZH more expensive than PVC, and when is it mandatory?<\/summary><div class=\"a\"><p>LSZH compounds cost more than PVC, typically adding 10\u201320 % to the cable price. It is mandatory in most tunnel, metro, data centre, hospital and marine specifications, and wherever IEC 60364 or the local fire code limits smoke and corrosive gas in occupied escape routes.<\/p><\/div><\/details>\n  <\/div><\/div>\n\n  <div class=\"sec\"><div class=\"wrap\">\n    <div class=\"rfq\">\n      <div>\n        <h2>Send the core schedule. We confirm construction in 24 hours.<\/h2>\n        <p style=\"color:#c9d2dc\">Share: core count &amp; cross-section, screen requirement, voltage rating, flame class, total length and destination port. The type test report comes with the offer.<\/p>\n        <p><a class=\"btn\" href=\"mailto:sales@luliancable.com?subject=LSZH%20control%20cable%20RFQ\">Email RFQ \u2192 sales@luliancable.com<\/a><a class=\"btn g\" href=\"\/contact\/\">Open RFQ form<\/a><\/p>\n      <\/div>\n      <div class=\"fld\">\n        <div><span>Type<\/span><strong>WDZC-KYJY 450\/750 V<\/strong><\/div>\n        <div><span>Cores \u00d7 size<\/span><strong>e.g. 37 \u00d7 1.5 mm\u00b2<\/strong><\/div>\n        <div><span>Screen<\/span><strong>None \/ Cu tape \/ braid<\/strong><\/div>\n        <div><span>Flame class<\/span><strong>IEC 60332-3 C<\/strong><\/div>\n        <div><span>Smoke \/ halogen<\/span><strong>IEC 61034 \/ 60754<\/strong><\/div>\n        <div><span>Standard<\/span><strong>GB\/T 9330-2020<\/strong><\/div>\n        <div><span>Evidence<\/span><strong>Type test 202521001018<\/strong><\/div>\n      <\/div>\n    <\/div>\n    <p class=\"k\">\u00a706 \u2014 Related<\/p>\n    <h2>Adjacent products and reading.<\/h2>\n    <div class=\"rel\">\n      <a href=\"\/products\/control-cable\/\"><div class=\"t\">Category<\/div><strong>Control Cable<\/strong><\/a>\n      <a href=\"\/products\/control-cable\/kvv-kvvp-control-cable\/\"><div class=\"t\">Product<\/div><strong>KVV \/ KVVP Control Cable<\/strong><\/a>\n      <a href=\"\/products\/mineral-insulated-fire-resistant-cable\/\"><div class=\"t\">Product<\/div><strong>Mineral Insulated Cable<\/strong><\/a>\n      <a href=\"\/flame-retardant-vs-fire-resistant-cable\/\"><div class=\"t\">Guide<\/div><strong>Flame-Retardant vs Fire-Resistant<\/strong><\/a>\n    <\/div>\n  <\/div><\/div>\n\n<div class=\"sec\"><div class=\"wrap\">\n<p class=\"k\">DATASHEET<\/p>\n<h2>Download the datasheet.<\/h2>\n<!-- LL-DSGATE --><p>Construction, test values and reference dimensions as a PDF. We send it to your <strong>work email address<\/strong> \u2014 so the file reaches the engineer who needs it, and so we can answer the dimension questions that follow.<\/p>\n<p><a class=\"lulian-btn lulian-btn-primary\" href=\"#datasheet-request\">Get the LSZH control cable datasheet (PDF) by email<\/a><\/p>\n<p class=\"note\">Tender pack or procurement portal? Send the enquiry and we add the datasheet and the type test documentation to your document set.<\/p>\n<\/div><\/div>\n<\/div>\n\n\n\n<div class=\"rfq-head\" id=\"datasheet-request\" style=\"max-width:1240px;margin:0 auto;padding:0 24px\"><p style=\"font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:#EA382F;font-weight:800;margin:0 0 8px\">Send an enquiry<\/p><h2 style=\"color:#fff;font-size:clamp(22px,2.4vw,30px);line-height:1.2;margin:0 0 4px\">Request a quote<\/h2><p style=\"color:#9A9A9A;font-size:15px;margin:0 0 20px\">Three fields. A technical reply within 24 hours.<\/p><\/div>\n\n<div class=\"forminator-ui forminator-custom-form forminator-custom-form-413 forminator-design--default  forminator_ajax\" data-forminator-render=\"0\" data-form=\"forminator-module-413\" data-uid=\"6ad5dbb86fc2f\"><br\/><\/div><form\n\t\t\t\tid=\"forminator-module-413\"\n\t\t\t\tclass=\"forminator-ui forminator-custom-form forminator-custom-form-413 forminator-design--default  forminator_ajax\"\n\t\t\t\tmethod=\"post\"\n\t\t\t\tdata-forminator-render=\"0\"\n\t\t\t\tdata-form-id=\"413\"\n\t\t\t\t data-color-option=\"theme\" data-design=\"default\" data-grid=\"open\" style=\"display: none;\"\n\t\t\t\tdata-uid=\"6ad5dbb86fc2f\"\n\t\t\t><div role=\"alert\" aria-live=\"polite\" class=\"forminator-response-message forminator-error\" aria-hidden=\"true\"><\/div><div class=\"forminator-row\"><div id=\"name-1\" class=\"forminator-field-name forminator-col forminator-col-12 \"><div class=\"forminator-field\"><label for=\"forminator-field-name-1_6ad5dbb86fc2f\" id=\"forminator-field-name-1_6ad5dbb86fc2f-label\" class=\"forminator-label\">Name <span class=\"forminator-required\">*<\/span><\/label><input type=\"text\" name=\"name-1\" value=\"\" placeholder=\"\" id=\"forminator-field-name-1_6ad5dbb86fc2f\" class=\"forminator-input forminator-name--field\" aria-required=\"true\" autocomplete=\"name\" \/><\/div><\/div><\/div><div class=\"forminator-row\"><div id=\"text-1\" class=\"forminator-field-text forminator-col forminator-col-12 \"><div class=\"forminator-field\"><label for=\"forminator-field-text-1_6ad5dbb86fc2f\" id=\"forminator-field-text-1_6ad5dbb86fc2f-label\" class=\"forminator-label\">Email or WhatsApp <span class=\"forminator-required\">*<\/span><\/label><input type=\"text\" name=\"text-1\" value=\"\" placeholder=\"\" id=\"forminator-field-text-1_6ad5dbb86fc2f\" class=\"forminator-input forminator-name--field\" data-required=\"1\" \/><\/div><\/div><\/div><div class=\"forminator-row\"><div id=\"textarea-1\" class=\"forminator-field-textarea forminator-col forminator-col-12 \"><div class=\"forminator-field\"><label for=\"forminator-field-textarea-1_6ad5dbb86fc2f\" id=\"forminator-field-textarea-1_6ad5dbb86fc2f-label\" class=\"forminator-label\">Product &amp; Requirements <span class=\"forminator-required\">*<\/span><\/label><textarea name=\"textarea-1\" placeholder=\"\" id=\"forminator-field-textarea-1_6ad5dbb86fc2f\" class=\"forminator-textarea\" style=\"--forminator-textarea-min-height:140px;\" ><\/textarea><\/div><\/div><\/div><input type=\"hidden\" name=\"referer_url\" value=\"\" \/><div class=\"forminator-row forminator-row-last\"><div class=\"forminator-col\"><div class=\"forminator-field\"><button class=\"forminator-button forminator-button-submit\">Submit<\/button><\/div><\/div><\/div><input type=\"hidden\" id=\"forminator_nonce\" name=\"forminator_nonce\" value=\"737c105f9c\" \/><input type=\"hidden\" name=\"_wp_http_referer\" value=\"\/ru\/wp-json\/wp\/v2\/pages\/1272\" \/><input type=\"hidden\" name=\"form_id\" value=\"413\"><input type=\"hidden\" name=\"page_id\" value=\"1272\"><input type=\"hidden\" name=\"form_type\" value=\"default\"><input type=\"hidden\" name=\"current_url\" value=\"https:\/\/luliancable.com\/ru\/products\/control-cable\/lszh-control-cable\/\"><input type=\"hidden\" name=\"render_id\" value=\"0\"><input type=\"hidden\" name=\"action\" value=\"forminator_submit_form_custom-forms\"><label for=\"input_4\" class=\"forminator-hidden\" aria-hidden=\"true\">\u041f\u043e\u0436\u0430\u043b\u0443\u0439\u0441\u0442\u0430, \u043d\u0435 \u0437\u0430\u043f\u043e\u043b\u043d\u044f\u0439\u0442\u0435 \u044d\u0442\u043e \u043f\u043e\u043b\u0435. <input id=\"input_4\" type=\"text\" name=\"input_4\" value=\"\" autocomplete=\"off\"><\/label><\/form>\n\n\n<!-- LL-FAQ-SCHEMA -->\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What does LSZH mean, and how is it different from flame-retardant and fire-resistant?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"They are three different properties. LSZH (Low Smoke Zero Halogen) describes what the cable emits when it burns: little smoke and no halogen acid gas (verified by IEC 61034 and IEC 60754). Flame-retardant (ZR) describes how well the cable resists flame propagation (IEC 60332). Fire-resistant (NH) describes whether the cable keeps working during a fire (IEC 60331). A cable can carry one, two or all three ratings \u2014 our WDZC-KYJY is LSZH + flame-retardant class C.\"}},{\"@type\":\"Question\",\"name\":\"Which standard does the WDZC-KYJY control cable comply with?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"GB\/T 9330-2020 for the control cable itself, plus IEC 60332-3 class C for bunched flame performance, IEC 61034 for smoke density, and IEC 60754 for halogen acid gas. The complete type test was performed by Qingdao Product Quality Testing Research Institute (CNAS L1184) \u2014 report No. 202521001018.\"}},{\"@type\":\"Question\",\"name\":\"What sizes and core counts are available?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"450\/750 V control cables from 2 to 61 cores, 0.75\u201310 mm\u00b2, copper class 1 or class 5 conductors, with or without copper-tape or braided screen (WDZC-KYJY \/ WDZC-KYJYP \/ WDZC-KYJYP2). Confirm the core count and screen requirement with your RFQ.\"}},{\"@type\":\"Question\",\"name\":\"Can you issue the type test report to our inspector?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. The full report No. 202521001018 is shared with the formal offer and included in the shipping document package on request. Third-party witnessed tests (SGS \/ BV \/ Intertek) are available for project orders.\"}},{\"@type\":\"Question\",\"name\":\"Is LSZH more expensive than PVC, and when is it mandatory?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"LSZH compounds cost more than PVC, typically adding 10\u201320 % to the cable price. It is mandatory in most tunnel, metro, data centre, hospital and marine specifications, and wherever IEC 60364 or the local fire code limits smoke and corrosive gas in occupied escape routes.\"}}]}<\/script>\n","protected":false},"excerpt":{"rendered":"<p>CONTROL CABLE \u00b7 LSZH \u00b7 GB\/T 9330-2020 \u00b7 TYPE TEST 202521001018 LSZH Control Cable \u2014 with the test report, not just the claim. Low smoke zero halogen flame-retardant control cable for tunnels, metros, data centres and public buildings. Our WDZC-KYJY passed a complete third-party type test against GB\/T 9330-2020 \u2014 smoke transmittance 80 % against [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":140,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-no-title","meta":{"footnotes":""},"class_list":["post-1272","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>LSZH Control Cable (WDZC-KYJY) - Lulian Cable<\/title>\n<meta name=\"description\" content=\"LSZH control cable WDZC-KYJY 450\/750 V: type test 202521001018 \u2014 smoke 80%, bunched flame class C, halogen-free. 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