{"id":1274,"date":"2026-09-23T00:11:55","date_gmt":"2026-09-23T00:11:55","guid":{"rendered":"https:\/\/luliancable.com\/projects\/typical-11kv-distribution-project-brief\/"},"modified":"2026-10-06T10:10:42","modified_gmt":"2026-10-06T10:10:42","slug":"typical-11kv-distribution-project-brief","status":"publish","type":"page","link":"https:\/\/luliancable.com\/ar\/projects\/typical-11kv-distribution-project-brief\/","title":{"rendered":"Typical Project Brief: 11 kV Urban Distribution Extension (22 km)"},"content":{"rendered":"<style>\n.llpj{--red:#E30613;--ink:#101720;--mut:#5b6673;--line:#e2e6ea;--soft:#f4f6f8;color:var(--ink);line-height:1.6}\n.llpj *{box-sizing:border-box}\n.llpj h2{font-size:26px;line-height:1.2;margin:0 0 10px;color:var(--ink)}\n.llpj h3{font-size:18px;margin:0 0 8px;color:var(--ink)}\n.llpj p{margin:0 0 12px}\n.llpj .k{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--red);font-weight:700;margin-bottom:8px}\n.llpj .wrap{max-width:1180px;margin:0 auto;padding:0 24px}\n.llpj .hero{background:linear-gradient(135deg,#101720 0%,#1d2836 100%);color:#fff;padding:56px 0}\n.llpj .hero h1{color:#fff;font-size:36px;line-height:1.15;margin:0 0 14px}\n.llpj .hero p{color:#c9d2dc;max-width:64ch}\n.llpj .tag{display:inline-block;background:#7a5a18;color:#fff;padding:4px 12px;border-radius:4px;font-size:12.5px;letter-spacing:.06em;margin-bottom:14px}\n.llpj .chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}\n.llpj .chip{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.25);color:#fff;padding:5px 12px;border-radius:999px;font-size:13px}\n.llpj .sec{padding:40px 0;border-bottom:1px solid var(--line)}\n.llpj table{width:100%;border-collapse:collapse;font-size:14px;background: var(--lu-card)}\n.llpj th,.llpj td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}\n.llpj th{background:var(--soft);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--mut)}\n.llpj .grid2{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}\n.llpj .grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}\n.llpj .card{border:1px solid var(--line);background: var(--lu-card);padding:18px}\n.llpj .num{color:var(--red);font-weight:700;font-size:13px}\n.llpj figure{margin:0;border:1px solid var(--line);background: var(--lu-card)}\n.llpj figure img{width:100%;height:auto;display:block}\n.llpj figcaption{font-size:12px;color:var(--mut);padding:8px 12px;border-top:1px solid var(--line)}\n.llpj .note{font-size:13px;color:var(--mut);margin-top:10px}\n.llpj ul.tick{margin:0;padding-left:0;list-style:none}\n.llpj ul.tick li{padding-left:22px;position:relative;margin-bottom:8px}\n.llpj ul.tick li:before{content:\"\u2713\";position:absolute;left:0;color:#1e7d43;font-weight:700}\n.llpj .rfq{background:#101720;color:#fff;padding:36px;border-radius:8px;display:grid;grid-template-columns:1.3fr 1fr;gap:24px;margin:40px 0}\n.llpj .rfq h2{color:#fff}\n.llpj .rfq .btn{display:inline-block;background:var(--red);color:#fff;padding:12px 20px;text-decoration:none;font-weight:700;border-radius:6px;margin-right:10px}\n.llpj .rfq .btn.g{background:transparent;border:1px solid #46536a}\n.llpj .rel{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:14px}\n.llpj .rel a{display:block;border:1px solid var(--line);background: var(--lu-card);padding:14px;text-decoration:none;color:var(--ink)}\n.llpj .rel a:hover{border-color:var(--red)}\n.llpj .rel .t{font-size:11px;letter-spacing:.1em;color:var(--red);text-transform:uppercase}\n@media(max-width:900px){.llpj .grid2,.llpj .grid3,.llpj .rfq{grid-template-columns:1fr}.llpj .rel{grid-template-columns:repeat(2,1fr)}}\n@media(max-width:560px){.llpj .hero h1{font-size:27px}.llpj .rel{grid-template-columns:1fr}}\n<\/style>\n<div class=\"llpj\">\n<div class=\"hero\">\n<div class=\"wrap\">\n    <span class=\"tag\">TYPICAL APPLICATION BRIEF \u2014 engineering scenario, not a client case study<\/span><\/p>\n<h1>\u0643\u0627\u0628\u0644 \u0645\u0633\u0644\u062d \u062b\u0644\u0627\u062b\u064a \u0627\u0644\u0646\u0648\u0649 11 kV \u0644\u0627\u0645\u062a\u062f\u0627\u062f \u062a\u0648\u0632\u064a\u0639 \u062d\u0636\u0631\u064a \u0628\u0637\u0648\u0644 22 \u0643\u0645<\/h1>\n<p>How a typical 11 kV utility extension project moves from cable schedule to delivered drums: the installation conditions, the selection logic, the engineering risks and the quality checkpoints. Written from our standard production and export workflow.<\/p>\n<div class=\"chips\"><span class=\"chip\">11 kV (6.35\/11 kV)<\/span><span class=\"chip\">3-core Cu 185 mm\u00b2<\/span><span class=\"chip\">STA armoured<\/span><span class=\"chip\">\u062f\u0641\u0646 \u0645\u0628\u0627\u0634\u0631<\/span><span class=\"chip\">IEC 60502-2<\/span><\/div>\n<\/p><\/div>\n<\/div>\n<div class=\"sec\">\n<div class=\"wrap\">\n<p class=\"k\">\u00a701 \u2014 Project background<\/p>\n<h2>A utility extends an 11 kV ring to a new industrial zone.<\/h2>\n<p>A distribution utility plans a 22 km 11 kV feeder extension from an existing 33\/11 kV zone substation to a new light-industrial zone. The route follows public road verges with several road crossings in ducts, plus a 400 m section across agricultural land. The utility&#8217;s specification calls for three-core copper cable, steel tape armour, and routine test documentation per drum.<\/p>\n<p class=\"note\">This brief is a typical engineering scenario based on our standard 11 kV production and export workflow. It does not describe a specific client contract; no client names, project names or contract values are claimed.<\/p>\n<\/p><\/div>\n<\/div>\n<div class=\"sec\">\n<div class=\"wrap\">\n<p class=\"k\">\u00a702 \u2014 Installation conditions<\/p>\n<h2>What the route looks like before the cable is chosen.<\/h2>\n<table>\n<tr>\n<th>\u0627\u0644\u0645\u0639\u0627\u0645\u0644<\/th>\n<th>Condition<\/th>\n<th>Design impact<\/th>\n<\/tr>\n<tr>\n<td>\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u062a\u0631\u0643\u064a\u0628<\/td>\n<td>Direct burial in verge + 6 road crossings in ducts<\/td>\n<td>STA armour required; duct sections derate ampacity ~10 %<\/td>\n<\/tr>\n<tr>\n<td>Soil thermal resistivity<\/td>\n<td>1.2 K\u00b7m\/W (design assumption; confirm by on-site measurement)<\/td>\n<td>Sets the ampacity baseline; higher resistivity forces larger cross-section<\/td>\n<\/tr>\n<tr>\n<td>Ground temperature<\/td>\n<td>25 \u00b0C design<\/td>\n<td>Standard rating conditions<\/td>\n<\/tr>\n<tr>\n<td>Burial depth<\/td>\n<td>1.0 m to top of cable<\/td>\n<td>\u0627\u0644\u0645\u0639\u064a\u0627\u0631<\/td>\n<\/tr>\n<tr>\n<td>Load profile<\/td>\n<td>2.5 MVA continuous, peak 3.2 MVA 2 h<\/td>\n<td>Determines conductor cross-section<\/td>\n<\/tr>\n<tr>\n<td>System earthing<\/td>\n<td>Resistance-earthed, earth-fault factor 1.4<\/td>\n<td>U\u2080 = 6.35 kV class acceptable (6.35 \u00d7 1.73 \u2265 11)<\/td>\n<\/tr>\n<tr>\n<td>Fault level<\/td>\n<td>18.4 kA \/ 1 s at the intake<\/td>\n<td>Metallic screen cross-section check (\u2265 16 mm\u00b2 Cu adequate)<\/td>\n<\/tr>\n<\/table><\/div>\n<\/div>\n<div class=\"sec\">\n<div class=\"wrap\">\n<p class=\"k\">\u00a703 \u2014 Cable selection logic<\/p>\n<h2>Why 3 \u00d7 185 mm\u00b2, and not 240 mm\u00b2.<\/h2>\n<ul class=\"tick\">\n<li><strong>Current requirement:<\/strong> 3.2 MVA at 11 kV \u2248 168 A. A 185 mm\u00b2 three-core Cu cable at reference conditions carries ~435 A \u2014 comfortable margin even after duct-section and grouping derating.<\/li>\n<li><strong>Voltage drop:<\/strong> over 22 km at 168 A, R = 0.0991 \u03a9\/km, \u0394V \u2248 168 \u00d7 0.0991 \u00d7 22 \u00d7 \u221a3 \u2248 634 V \u2248 5.8 % \u2014 above the usual 5 % limit for the full run, so the utility splits the feeder with a mid-point switching station. This is a system design decision, not a cable limitation.<\/li>\n<li><strong>Short-circuit:<\/strong> 185 mm\u00b2 Cu withstands ~26 kA for 1 s (adiabatic, k = 143) \u2014 above the 18.4 kA system fault level.<\/li>\n<li><strong>Why not 240 mm\u00b2:<\/strong> +30 % copper cost for margin the duty does not need. The mid-point switch resolves the voltage drop more economically.<\/li>\n<\/ul><\/div>\n<\/div>\n<div class=\"sec\">\n<div class=\"wrap\">\n<p class=\"k\">\u00a704 \u2014 Cable construction<\/p>\n<h2>The specified build.<\/h2>\n<table>\n<tr>\n<th>\u0627\u0644\u0637\u0628\u0642\u0629<\/th>\n<th>Specification<\/th>\n<\/tr>\n<tr>\n<td>\u0627\u0644\u0645\u0648\u0635\u0644<\/td>\n<td>Copper class 2 stranded compact (RM), 3 \u00d7 185 mm\u00b2<\/td>\n<\/tr>\n<tr>\n<td>Conductor screen<\/td>\n<td>Extruded semiconducting<\/td>\n<\/tr>\n<tr>\n<td>\u0627\u0644\u0639\u0632\u0644<\/td>\n<td>XLPE, 3.4 mm nominal (IEC 60502-2 for 6.35\/11 kV)<\/td>\n<\/tr>\n<tr>\n<td>Insulation screen<\/td>\n<td>Extruded semiconducting, strippable<\/td>\n<\/tr>\n<tr>\n<td>Metallic screen<\/td>\n<td>Copper wire screen, \u2265 16 mm\u00b2 per core<\/td>\n<\/tr>\n<tr>\n<td>Bedding<\/td>\n<td>PVC ST2 extruded<\/td>\n<\/tr>\n<tr>\n<td>\u0627\u0644\u062f\u0631\u0639<\/td>\n<td>Double steel tape (STA), galvanized<\/td>\n<\/tr>\n<tr>\n<td>Outer sheath<\/td>\n<td>PVC ST2, black, red stripe per utility marking convention<\/td>\n<\/tr>\n<\/table><\/div>\n<\/div>\n<div class=\"sec\">\n<div class=\"wrap\">\n<p class=\"k\">\u00a705 \u2014 Key engineering risks &amp; how they were controlled<\/p>\n<div class=\"grid3\">\n<div class=\"card\">\n<div class=\"num\">RISK 01<\/div>\n<h3>Partial discharge at screen interfaces<\/h3>\n<p>Controlled by triple-extrusion + dry curing CCV; PD \u2264 10 pC at 1.73 U\u2080 measured on every drum before it leaves the factory.<\/p>\n<\/div>\n<div class=\"card\">\n<div class=\"num\">RISK 02<\/div>\n<h3>Armour damage during pulling into ducts<\/h3>\n<p>Drum sizing keeps bending radius \u2265 12 \u00d7 OD; pulling eyes and swivel specified; duct sections pre-lubricated per installation manual shipped with drums.<\/p>\n<\/div>\n<div class=\"card\">\n<div class=\"num\">RISK 03<\/div>\n<h3>Moisture ingress at cut ends during transit<\/h3>\n<p>Both cable ends sealed with heat-shrink end caps; drums stored upright; end seal check part of pre-shipment inspection.<\/p>\n<\/div><\/div>\n<\/p><\/div>\n<\/div>\n<div class=\"sec\">\n<div class=\"wrap\">\n<p class=\"k\">\u00a706 \u2014 Quality control &amp; testing<\/p>\n<h2>What gets measured before the drums ship.<\/h2>\n<div class=\"grid2\">\n<ul class=\"tick\">\n<li>Conductor DC resistance at 20 \u00b0C \u2014 every drum (\u2264 0.0991 \u03a9\/km for 185 mm\u00b2)<\/li>\n<li>AC voltage withstand 22 kV \/ 5 min \u2014 every drum<\/li>\n<li>Partial discharge \u2264 10 pC at 11 kV (1.73 U\u2080) \u2014 sample per batch<\/li>\n<li>Insulation thickness &amp; eccentricity \u2014 sample<\/li>\n<li>Metallic screen cross-section \u2014 every drum<\/li>\n<li>Sheath thickness + spark test \u2014 every drum<\/li>\n<li>Drum condition, end seals, marking \u2014 pre-shipment check<\/li>\n<\/ul>\n<figure><img decoding=\"async\" src=\"https:\/\/luliancable.com\/wp-content\/uploads\/2026\/09\/lulian-lab-equipment-2.webp\" alt=\"Type and sample testing in the Lulian in-house laboratory\" width=\"1191\" height=\"1684\"><figcaption>Type and sample testing &middot; Lulian laboratory<\/figcaption><\/figure>\n<\/p><\/div>\n<\/p><\/div>\n<\/div>\n<div class=\"sec\">\n<div class=\"wrap\">\n<p class=\"k\">\u00a707 \u2014 Packing &amp; delivery<\/p>\n<h2>Twenty-two kilometres on eleven drums.<\/h2>\n<p>11 \u00d7 2000 m lengths on fumigated wooden drums sized to the cable OD (drum flange \u2265 25 \u00d7 OD bending rule). Each drum: heat-shrink end caps both ends, waterproof wrap, drum card with construction, length, gross weight, routine test values and shipping marks per the buyer&#8217;s format. FOB Qingdao, 40&#8242; open-top or flat-rack as required.<\/p>\n<figure><img decoding=\"async\" src=\"https:\/\/luliancable.com\/wp-content\/uploads\/2026\/09\/packing-cable-drum.jpg\" alt=\"Cable drums prepared for export shipment at Shandong Lulian Cable\" width=\"1191\" height=\"1684\"><figcaption>Export packing &amp; loading<\/figcaption><\/figure>\n<\/p><\/div>\n<\/div>\n<div class=\"sec\">\n<div class=\"wrap\">\n<p class=\"k\">\u00a708 \u2014 RFQ checklist for a similar project<\/p>\n<h2>Copy this list into your inquiry \u2014 we return a confirmed construction in 24 h.<\/h2>\n<table>\n<tr>\n<th>\u0627\u0644\u0628\u0646\u062f<\/th>\n<th>Example entry<\/th>\n<\/tr>\n<tr>\n<td>System voltage \/ earthing<\/td>\n<td>11 kV, resistance-earthed, EFF 1.4<\/td>\n<\/tr>\n<tr>\n<td>Load \/ voltage-drop limit<\/td>\n<td>2.5 MVA cont., 3.2 MVA peak 2 h, \u0394V \u2264 5 %<\/td>\n<\/tr>\n<tr>\n<td>Fault level<\/td>\n<td>18.4 kA \/ 1 s<\/td>\n<\/tr>\n<tr>\n<td>Route &amp; installation<\/td>\n<td>22 km direct burial + 6 duct crossings; soil TR 1.2 K\u00b7m\/W<\/td>\n<\/tr>\n<tr>\n<td>\u0627\u0644\u062a\u0631\u0643\u064a\u0628<\/td>\n<td>CU\/XLPE\/CWS\/STA\/PVC, 3 \u00d7 185 mm\u00b2, IEC 60502-2<\/td>\n<\/tr>\n<tr>\n<td>Testing &amp; documents<\/td>\n<td>Routine per drum + type test certificate; SGS pre-shipment<\/td>\n<\/tr>\n<tr>\n<td>Drums &amp; shipping<\/td>\n<td>11 \u00d7 2000 m, FOB Qingdao, drum card format attached<\/td>\n<\/tr>\n<\/table>\n<div class=\"rfq\">\n<div>\n<h2>Working on a similar route?<\/h2>\n<p style=\"color:#c9d2dc\">Send the cable schedule or the single-line diagram. We confirm the construction, ampacity basis and drum plan in 24 hours.<\/p>\n<p><a class=\"btn\" href=\"mailto:sales@luliancable.com?subject=11kV%20project%20RFQ\">\u0637\u0644\u0628 \u0639\u0631\u0636 \u0627\u0644\u0633\u0639\u0631 \u0628\u0627\u0644\u0628\u0631\u064a\u062f \u2192 sales@luliancable.com<\/a><a class=\"btn g\" href=\"\/ar\/contact\/\">\u0627\u0641\u062a\u062d \u0646\u0645\u0648\u0630\u062c RFQ<\/a><\/p>\n<\/p><\/div>\n<div><\/div>\n<\/p><\/div>\n<p class=\"k\">\u00a709 \u2014 Related products<\/p>\n<div class=\"rel\">\n      <a href=\"\/ar\/products\/medium-high-voltage-cable\/11kv-xlpe-cable\/\"><\/p>\n<div class=\"t\">\u0627\u0644\u0645\u0646\u062a\u062c<\/div>\n<p><strong>\u0643\u0627\u0628\u0644 XLPE 11 kV<\/strong><\/a><br \/>\n      <a href=\"\/ar\/products\/medium-high-voltage-cable\/\"><\/p>\n<div class=\"t\">\u0627\u0644\u0641\u0626\u0629<\/div>\n<p><strong>Medium Voltage 6\u201335 kV<\/strong><\/a><br \/>\n      <a href=\"\/ar\/products\/medium-high-voltage-cable\/10kv-xlpe-cable\/\"><\/p>\n<div class=\"t\">\u0627\u0644\u0645\u0646\u062a\u062c<\/div>\n<p><strong>\u0643\u0627\u0628\u0644 XLPE 10 kV<\/strong><\/a><br \/>\n      <a href=\"\/ar\/power-distribution-cable-solutions\/\"><\/p>\n<div class=\"t\">\u0627\u0644\u062a\u0637\u0628\u064a\u0642<\/div>\n<p><strong>Power Distribution<\/strong><\/a>\n    <\/div>\n<\/p><\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>TYPICAL APPLICATION BRIEF \u2014 engineering scenario, not a client case study 11 kV three-core armoured cable for a 22 km urban distribution extension How a typical 11 kV utility extension project moves from cable schedule to delivered drums: the installation conditions, the selection logic, the engineering risks and the quality checkpoints. Written from our standard [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1243,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-no-title","meta":{"footnotes":""},"class_list":["post-1274","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>Typical 11 kV Distribution Project Brief | Lulian<\/title>\n<meta name=\"description\" content=\"Typical application brief: 11 kV three-core armoured cable for a 22 km urban extension \u2014 selection logic, risks, testing, drum plan, RFQ checklist.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/luliancable.com\/ar\/projects\/typical-11kv-distribution-project-brief\/\" \/>\n<meta property=\"og:locale\" content=\"ar_AR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Typical 11 kV Distribution Project Brief | Lulian\" \/>\n<meta property=\"og:description\" content=\"Typical application brief: 11 kV three-core armoured cable for a 22 km urban extension \u2014 selection logic, risks, testing, drum plan, RFQ checklist.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/luliancable.com\/ar\/projects\/typical-11kv-distribution-project-brief\/\" \/>\n<meta property=\"og:site_name\" content=\"Lulian Cable\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/profile.php?id=61590602855329\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-06T10:10:42+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/luliancable.com\/wp-content\/uploads\/2026\/09\/lulian-lab-equipment-2.webp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u0648\u0642\u062a \u0627\u0644\u0642\u0631\u0627\u0621\u0629 \u0627\u0644\u0645\u064f\u0642\u062f\u0651\u0631\" \/>\n\t<meta name=\"twitter:data1\" content=\"5 \u062f\u0642\u0627\u0626\u0642\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/luliancable.com\\\/projects\\\/typical-11kv-distribution-project-brief\\\/\",\"url\":\"https:\\\/\\\/luliancable.com\\\/projects\\\/typical-11kv-distribution-project-brief\\\/\",\"name\":\"Typical 11 kV Distribution Project Brief | Lulian\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/luliancable.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/luliancable.com\\\/projects\\\/typical-11kv-distribution-project-brief\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/luliancable.com\\\/projects\\\/typical-11kv-distribution-project-brief\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/luliancable.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/lulian-lab-equipment-2.webp\",\"datePublished\":\"2026-09-23T00:11:55+00:00\",\"dateModified\":\"2026-10-06T10:10:42+00:00\",\"description\":\"Typical application brief: 11 kV three-core armoured cable for a 22 km urban extension \u2014 selection logic, risks, testing, drum plan, RFQ checklist.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/luliancable.com\\\/projects\\\/typical-11kv-distribution-project-brief\\\/#breadcrumb\"},\"inLanguage\":\"ar\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/luliancable.com\\\/projects\\\/typical-11kv-distribution-project-brief\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"ar\",\"@id\":\"https:\\\/\\\/luliancable.com\\\/projects\\\/typical-11kv-distribution-project-brief\\\/#primaryimage\",\"url\":\"https:\\\/\\\/luliancable.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/lulian-lab-equipment-2.webp\",\"contentUrl\":\"https:\\\/\\\/luliancable.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/lulian-lab-equipment-2.webp\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/luliancable.com\\\/projects\\\/typical-11kv-distribution-project-brief\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/luliancable.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Projects &#038; 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