{"id":1292,"date":"2026-09-15T01:40:07","date_gmt":"2026-09-15T01:40:07","guid":{"rendered":"https:\/\/www.steelgratingchina.com\/?post_type=chanpin&#038;p=1292"},"modified":"2026-09-16T02:13:18","modified_gmt":"2026-09-16T02:13:18","slug":"cable-trench-cover","status":"publish","type":"chanpin","link":"https:\/\/www.steelgratingchina.com\/it\/newproduct\/cable-trench-cover\/","title":{"rendered":"Cable Trench Cover"},"content":{"rendered":"<div data-page-id=\"VK2wdnnIGokOpoxq4BGcxofWnnX\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\">\n<h2 class=\"heading-2 ace-line old-record-id-KoIrfIt4KdBc2YcchMzcE4b8n7b\">Introduzione<\/h2>\n<div class=\"ace-line ace-line old-record-id-Xh1ifakz0d8lcJcJTjTccJmSnQb\">Large-scale infrastructure projects such as solar farms, power substations, industrial parks, municipal power grids, and port facilities rely heavily on underground cable trench systems to arrange low-voltage and high-voltage power lines. Traditional solid concrete or flat steel cable covers have poor air permeability, easily causing excessive heat accumulation inside dense cable trenches. Long-term high-temperature operation accelerates cable insulation aging, increases line loss, and even triggers short-circuit faults and power supply risks. In addition, closed trench covers cannot prevent dust, fallen leaves, and rainwater from accumulating inside the trench, resulting in damp corrosion of cables, difficult daily inspection, and high maintenance costs for power systems.<\/div>\n<h2 class=\"heading-2 ace-line old-record-id-GvcffqCqFdNACbc10zecJgt5nug\">What Is Cable Trench Cover? Power Cable Channel Protection Definition<\/h2>\n<div class=\"ace-line ace-line old-record-id-HOhUffPQjdOstqciwdLcofgTnIh\"><strong>Cable Trench Cover<\/strong> refers to a standardized steel grating cover specially used for covering underground power cable trenches, electrical channels, and cable gallery branch troughs. As the core protective facility of outdoor power transmission and distribution systems, it is dedicated to isolating external dust, debris, and rainwater from invading the cable trench, while providing continuous ventilation to reduce the operating temperature of densely arranged power cables.<\/div>\n<div class=\"ace-line ace-line old-record-id-XMWqf2YX8doQXNcYwJDcDmaTn6e\">Different from general trench covers, cable trench cover takes <strong>power system safety and cable heat dissipation<\/strong> as the core design standard. The open-grid structure solves the overheating pain point of closed cable trenches, and the integral high-strength steel structure ensures site passage safety. The detachable modular design greatly improves the efficiency of cable inspection, line renovation, and trench cleaning, making it a necessary supporting facility for modern standardized power engineering construction.<\/div>\n<h2 class=\"heading-2 ace-line old-record-id-ACRefwjCndPWcKcqd85cyYDVnNc\">Cable Trench Cover vs Drainage Trench Grating &amp; Other Gratings | 100% SEO Semantic Isolation<\/h2>\n<div class=\"ace-line ace-line old-record-id-CYdrfwGhVdBTDMcXuvrcNhAJnMg\">To avoid Google semantic duplication and internal keyword competition, the exclusive power engineering attributes of cable trench cover are strictly distinguished from all drainage grating products:<\/div>\n<h3 class=\"heading-3 ace-line old-record-id-ZUqUfJBhTduvRec3EKOcUaFungh\">Cable Trench Cover (Exclusive: Power Cable Protection &amp; Heat Dissipation)<\/h3>\n<div class=\"ace-line ace-line old-record-id-FWcOfRr6VdZfZ0cFZOzcflVznsb\">Professional application: <strong>underground power cable trenches, substation electrical channels, solar farm cable galleries<\/strong>. Core functions: cable ventilation and cooling, trench pollution isolation, power safety protection, convenient electrical maintenance. No drainage function, purely for power system operation protection.<\/div>\n<h3 class=\"heading-3 ace-line old-record-id-Jut7fVlVXdLgGhcJEzjc53AXnsh\">Drainage Trench \/ Channel Grating<\/h3>\n<div class=\"ace-line ace-line old-record-id-EzIHf4NlmdFFHecrzX6c9D7InRh\">Core positioning: surface water collection and linear drainage. Designed for rainwater conveyance and debris interception, without professional cable heat dissipation and power safety design, not applicable to power trench protection scenarios.<\/div>\n<h3 class=\"heading-3 ace-line old-record-id-OWQUfK2Asdc8ZQcjmhFcylg1nvd\">Road Grating &amp; Driveway Drain Grate<\/h3>\n<div class=\"ace-line ace-line old-record-id-NwIvfZb27dpvGHc8ePecrRcJnUe\">Focus on road traffic bearing and slope entrance drainage, belonging to pavement traffic facilities, unrelated to power cable trench system protection.<\/div>\n<h3 class=\"heading-3 ace-line old-record-id-W7F8fomYxdH3nVcbkxccBowxnhc\">Gully Grate &amp; Manhole Cover Grating<\/h3>\n<div class=\"ace-line ace-line old-record-id-IzlsfLbIxdgmY1cQ3JTcOmLMnDg\">Used for road surface water collection wells and large-diameter inspection wells, focusing on local water collection and wellhead safety protection, without matching long-strip cable channel laying and cable heat dissipation functions.<\/div>\n<h2 class=\"heading-2 ace-line old-record-id-NtjffVMlLdj0twcsVOzcb0v6nQd\">Industrial-Grade Material Classification &amp; Performance Advantages<\/h2>\n<div class=\"ace-line ace-line old-record-id-ZGdWfVTNed0uw9cS2Twc9pvDnrh\">Cable trench cover adopts three mainstream industrial materials to fully adapt to outdoor conventional, humid hygienic, and high-corrosion power engineering working conditions, ensuring long-term stable operation of power systems.<\/div>\n<h3 class=\"heading-3 ace-line old-record-id-EVbifncJ7dpoIXcYUm7c0fD1nLh\">Hot-Dip Galvanized Cable Trench Cover<\/h3>\n<div class=\"ace-line ace-line old-record-id-BmHefxxIod7Ap3cpHPLcJOA6nNh\">Hot-dip galvanized steel cable trench cover is the most cost-effective solution for conventional outdoor power projects such as solar farms, inland industrial parks, and municipal conventional cable trenches. The overall hot-dip galvanizing process forms a compact zinc anti-corrosion layer on the steel surface, which effectively resists atmospheric oxidation, ultraviolet aging, wind and rain erosion, and industrial dust pollution. The pressure-welded integral structure has high rigidity and strong impact resistance, which can withstand long-term pedestrian passage and light and medium vehicle rolling, fully meeting the daily operation and safety protection requirements of outdoor power trenches.<\/div>\n<h3 class=\"heading-3 ace-line old-record-id-Ge8ZfeAx5ddZS2cvAMlc0eojnxe\">SS304 Stainless Steel Cable Trench Cover<\/h3>\n<div class=\"ace-line ace-line old-record-id-St5YfR4fIdfjmOcuI9LcQqRSnYd\">SS304 stainless steel cable trench cover is suitable for hygiene-sensitive and slightly humid power supporting scenarios, including food and pharmaceutical industrial power trenches, urban landscape municipal cable channels, and indoor and semi-outdoor power distribution areas. It features smooth surface, no rust falling, no impurity residue, and easy high-pressure cleaning. It will not produce rust debris to pollute cable trenches or wear cable insulation layers, complying with high-standard power environment and industrial hygiene management specifications.<\/div>\n<h3 class=\"heading-3 ace-line old-record-id-QCLFfIwP0dgCpXcI4mXcbFdInlJ\">SS316 Stainless Steel Cable Trench Cover<\/h3>\n<div class=\"ace-line ace-line old-record-id-AHBXfI7BEdrdmkc2u3Oc21flnkf\">SS316 stainless steel cable trench cover has super resistance to seawater salt fog erosion, acid-base chemical corrosion, and high-humidity environment erosion. It is specially customized for coastal port power trenches, offshore wind farm supporting cable channels, chemical industrial zone power distribution trenches, and sewage treatment plant electrical systems. It can maintain stable structural strength and ventilation efficiency in harsh corrosion environments for a long time, with ultra-long service life and minimal later maintenance.<\/div>\n<h3 class=\"heading-3 ace-line old-record-id-QCRcfbgaNdjfZccdKMLcIDBonCf\">Flat &amp; Serrated Anti-Slip Structural Design<\/h3>\n<div class=\"ace-line ace-line old-record-id-YFDofUi5jduSU9cxugNc2KctnIg\">Flat cable trench cover is neat and flat, suitable for pedestrian-only power trenches and indoor power distribution areas. Serrated anti-slip cable trench cover improves surface friction, effectively preventing slipping of personnel and vehicles in rainy and wet environments, and is the preferred choice for outdoor roadside cable trenches and industrial heavy-load passage sections.<\/div>\n<\/div>\n<div><\/div>\n<div><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1293 size-full\" src=\"https:\/\/www.steelgratingchina.com\/wp-content\/uploads\/2026\/09\/Cable-Trench-Cover.webp\" alt=\"Cable Trench Cover\" width=\"800\" height=\"600\" srcset=\"https:\/\/www.steelgratingchina.com\/wp-content\/uploads\/2026\/09\/Cable-Trench-Cover.webp 800w, https:\/\/www.steelgratingchina.com\/wp-content\/uploads\/2026\/09\/Cable-Trench-Cover-500x375.webp 500w, https:\/\/www.steelgratingchina.com\/wp-content\/uploads\/2026\/09\/Cable-Trench-Cover-300x225.webp 300w, https:\/\/www.steelgratingchina.com\/wp-content\/uploads\/2026\/09\/Cable-Trench-Cover-768x576.webp 768w, https:\/\/www.steelgratingchina.com\/wp-content\/uploads\/2026\/09\/Cable-Trench-Cover-16x12.webp 16w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/div>\n<div data-page-id=\"VK2wdnnIGokOpoxq4BGcxofWnnX\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\">\n<h2 class=\"heading-2 ace-line old-record-id-B9GGf28AndS4cXcqTPUc4UOsn4d\">Core Power Engineering Advantages<\/h2>\n<div class=\"ace-line ace-line old-record-id-Xar4fjvJxd0U6NcBRK7cAWpCn7c\">Compared with traditional solid concrete covers and drainage trench gratings, cable trench cover has exclusive systematic advantages in power engineering scenarios.<\/div>\n<h3 class=\"heading-3 ace-line old-record-id-Q3hXfDhbxdGW9RcVXiwcR71anEh\">Efficient Cable Ventilation &amp; Heat Dissipation<\/h3>\n<div class=\"ace-line ace-line old-record-id-ZtcpfNJ4fdorogc4uLzcKik3njb\">The open-grid hollow structure realizes continuous air convection inside the cable trench, effectively reducing the operating temperature of densely arranged high-voltage and low-voltage cables. It avoids cable aging, increased line loss, and power supply faults caused by long-term high-temperature accumulation, greatly extending the service life of power cables and improving the stability of power transmission and distribution systems.<\/div>\n<h3 class=\"heading-3 ace-line old-record-id-HUEWfxwYGdy41zcGtzRcGHIjnkg\">Full Isolation of Trench Pollution &amp; Foreign Matter<\/h3>\n<div class=\"ace-line ace-line old-record-id-DKosfai9udtrlpc3Z5tcO0PenUe\">The scientific grid spacing design effectively blocks external fallen leaves, sand, plastic sundries, and rainwater from entering the cable trench, preventing cable damp corrosion, surface scaling, and foreign matter extrusion damage. It keeps the internal environment of the power trench clean and dry, reducing hidden dangers of short circuits and leakage.<\/div>\n<h3 class=\"heading-3 ace-line old-record-id-LLt1fqb2fdRSIJcYhQecXoO3nSd\">Safe Anti-Fall &amp; Traffic Bearing Performance<\/h3>\n<div class=\"ace-line ace-line old-record-id-HDssfxJHGdjxIgc4vVsc9VlxnWe\">The integral high-strength steel structure completely covers the cable trench, eliminating the risk of personnel and equipment falling into the trench during site operation and inspection. It can adapt to pedestrian passage and industrial vehicle rolling, ensuring unobstructed site traffic and safe operation of power facilities.<\/div>\n<h3 class=\"heading-3 ace-line old-record-id-LCQKfjtYEdurbDcX6OzchdlbnZf\">Detachable Structure for Efficient Power Maintenance<\/h3>\n<div class=\"ace-line ace-line old-record-id-HwXmfSGZDdgVj0cvEA7cS3GQneL\">The modular single-piece design is lightweight and easy to lift and disassemble. Power construction personnel can quickly open the cover for cable inspection, fault maintenance, line renovation, and trench cleaning without large-scale demolition and reconstruction. It greatly improves the efficiency of power system operation and maintenance and reduces long-term engineering operation costs.<\/div>\n<h3 class=\"heading-3 ace-line old-record-id-PKSBfMo2ddrQ6JclKFmcShvrnFg\">All-Weather Anti-Corrosion &amp; Long Service Life<\/h3>\n<div class=\"ace-line ace-line old-record-id-KnK6f0FRUdMbP4co5MccSq0Fn9b\">Galvanized and stainless steel materials have excellent outdoor weather resistance, resisting ultraviolet radiation, wind and rain erosion, and environmental corrosion. Compared with fragile concrete covers and easily rusted ordinary iron covers, cable trench cover has stronger structural stability and longer service life, adapting to long-term unattended operation of outdoor power facilities.<\/div>\n<h2 class=\"heading-2 ace-line old-record-id-IgKpfH1jkdrc62cdlIlcIkxqnid\">Large-Scale Engineering Application Scenarios<\/h2>\n<div class=\"ace-line ace-line old-record-id-RP2UfeqAMdKqm5cVwpOcKijpnOc\">Cable trench cover is the standard supporting facility for global new energy power, municipal power grid, industrial power distribution, and port electrical engineering projects, with highly targeted application advantages.<\/div>\n<h3 class=\"heading-3 ace-line old-record-id-FFbufYnsNd3X1ccBiHYcA94Gndb\">Solar Farm &amp; New Energy Power Station Projects<\/h3>\n<div class=\"ace-line ace-line old-record-id-PVsFf5pYWdcw22ctzPLcqXgLnzg\">Large-scale photovoltaic power stations, wind farms, and energy storage bases have extensive outdoor cable trench systems with dense cable arrangement and severe heat accumulation. Galvanized ventilated cable trench covers are widely used for PV array cable trenches, inverter area power channels, and booster station cable trenches. They effectively solve cable overheating problems, adapt to outdoor wind and sand environments, and ensure long-term stable power generation and power supply of new energy bases.<\/div>\n<h3 class=\"heading-3 ace-line old-record-id-QWINf5D4bdjCNIc1gvScOP0XnEd\">Substation &amp; Municipal Power Grid Projects<\/h3>\n<div class=\"ace-line ace-line old-record-id-I5iBfKg8BdRmafcXJFxcLWCnnmc\">Urban high and low voltage substations, municipal power distribution networks, and tunnel power supporting trenches adopt standardized cable trench covers. The ventilation and heat dissipation design optimizes the operating environment of urban power lines, reduces grid operation faults, and improves the safety and stability of municipal power supply systems.<\/div>\n<h3 class=\"heading-3 ace-line old-record-id-AtMYf0xAxdpMKXc7xOwcOUhEnDc\">Industrial Park &amp; Manufacturing Power Distribution Projects<\/h3>\n<div class=\"ace-line ace-line old-record-id-InIZfab0udXKdKcVNT1cUKBbnGg\">Comprehensive industrial parks, heavy equipment manufacturing bases, and factory power distribution workshops use heavy-duty galvanized cable trench covers for factory internal power trenches. They adapt to frequent rolling of industrial forklifts and trucks, protect production power lines from external damage, and ensure continuous and stable power supply for industrial production.<\/div>\n<h3 class=\"heading-3 ace-line old-record-id-HgqEf0fJndIdp0cLWjfcBTyZnad\">Coastal Port &amp; Marine Engineering Power Projects<\/h3>\n<div class=\"ace-line ace-line old-record-id-Nwnafxpe3dadFacAu6Zcwvmvnhe\">Coastal container terminals, port logistics parks, and offshore supporting power projects adopt SS316 stainless steel cable trench covers. They resist long-term seawater salt fog erosion and humid marine climate corrosion, solving the problem of easy rust and damage of ordinary trench covers in coastal environments, and ensuring safe operation of port power systems.<\/div>\n<h3 class=\"heading-3 ace-line old-record-id-E9KvfJaZhdIsOEczzIOcCPRYnPc\">Chemical &amp; Environmental Protection Power Projects<\/h3>\n<div class=\"ace-line ace-line old-record-id-PL0cfyqFTdR6NJckbLBcKjAOnjb\">Petrochemical parks, fine chemical zones, and sewage treatment plants have corrosive gas and liquid environments. Anti-corrosion stainless steel cable trench covers are used for power distribution trenches, effectively resisting chemical erosion, preventing cable damage, and improving the safety level of industrial power systems.<\/div>\n<h3 class=\"heading-3 ace-line old-record-id-JJ72fzoDFdLlsmcJ5iyc89vqnvd\">Food &amp; Pharmaceutical Clean Industrial Projects<\/h3>\n<div class=\"ace-line ace-line old-record-id-WRHpfKKIOdMKWhcvE4wcK7R9nNt\">Food processing and pharmaceutical production parks have strict requirements for facility cleanliness. SS304 stainless steel cable trench covers are adopted for supporting power trenches, with smooth surfaces easy to clean and no rust debris falling off, meeting clean industrial power management standards.<\/div>\n<h2 class=\"heading-2 ace-line old-record-id-G88cfkq6ZdciZScVxJ5cgDvQnvc\">Professional Engineering Selection Guide<\/h2>\n<div class=\"ace-line ace-line old-record-id-RX3tfDShod3FSYcZozYcGnMFnQh\">Accurate material and type selection balances power system safety, durability, and project cost performance:<\/div>\n<div class=\"ace-line ace-line old-record-id-VZOdftL1qdfK53crRGGcL8hrnsf\"><strong>Hot-Dip Galvanized Cable Trench Cover<\/strong>: First choice for solar farms, inland substations, ordinary industrial parks, and municipal conventional power trenches.<\/div>\n<div class=\"ace-line ace-line old-record-id-FzybfBGJEdvZ83cgAh0c1dgLnCf\"><strong>SS304 Stainless Steel Cable Trench Cover<\/strong>: Suitable for food, pharmaceutical clean factories, and urban landscape municipal power projects.<\/div>\n<div class=\"ace-line ace-line old-record-id-NlWkfN8aXd0RMCcC3ZqceaOPn0b\"><strong>SS316 Stainless Steel Cable Trench Cover<\/strong>: Exclusively used for coastal ports, offshore wind power, chemical corrosion zones, and sewage treatment power systems.<\/div>\n<div class=\"ace-line ace-line old-record-id-JA0mfqvVFdHAGncTjHcc4YiInGe\"><strong>Serrated Anti-Slip Type<\/strong>: Preferred for roadside cable trenches and industrial heavy-load passage power trenches.<\/div>\n<div class=\"ace-line ace-line old-record-id-WKhEfahYUdgfdsceT2ecSQQNnth\"><strong>Flat Type<\/strong>: Suitable for indoor power distribution areas and pedestrian-only cable trenches.<\/div>\n<h2 class=\"heading-2 ace-line old-record-id-N9RafD5r3dTLEqc3E4NcHAVpnzb\">Power Safety Installation &amp; Maintenance Specifications<\/h2>\n<div class=\"ace-line ace-line old-record-id-QklAf6L5OdYc9Ac7Olmcxfznnch\">During construction, the cable trench foundation shall be leveled to ensure the cable trench cover is closely fitted with the trench frame without shaking, displacement, or height difference, avoiding personnel tripping hazards and foreign matter gaps. The laying flatness and splicing tightness must comply with power engineering safety standards to ensure overall trench protection performance.<\/div>\n<div class=\"ace-line ace-line old-record-id-XGTcfb5dHdVJOFcLXYLc7QMtn5f\">In daily operation and maintenance, regularly clean the sundries and dust on the cover surface to keep the grid ventilation holes unobstructed and maintain stable heat dissipation efficiency inside the trench. Regularly inspect the anti-corrosion layer and structural firmness, timely repair local rust and deformation, and eliminate potential safety hazards to ensure long-term safe and stable operation of the power cable trench system.<\/div>\n<h2 class=\"heading-2 ace-line old-record-id-CgkBfkAUCdZYHnc7NTJcqjS2nLh\">Conclusion<\/h2>\n<div class=\"ace-line ace-line old-record-id-Rz2NfCpDBd0L7IcJ7nzcuNLFnKe\"><strong>Cable Trench Cover<\/strong> is a professional and exclusive protective solution for modern power cable trench systems. Different from general drainage trench gratings and solid concrete covers, it takes power cable heat dissipation, line safety protection, and convenient electrical maintenance as the core advantages, solving the industry pain points of poor ventilation, easy pollution, difficult maintenance, and low safety of traditional power trench facilities.<\/div>\n<div class=\"ace-line ace-line old-record-id-LScffQ9PTdtoShcuoVRc6TCAnEh\">With diversified industrial material configurations and anti-slip structural optimization, cable trench cover is widely applicable to new energy solar and wind power bases, municipal power grids, industrial parks, coastal port power projects, and chemical environmental protection facilities. It provides stable, low-maintenance, and long-life professional protection for global power transmission and distribution trench systems.<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Introduction Large-scale infrastructure projects such as solar farms, power substations, industrial parks, municipal power grids, and port facilities rely heavily on underground cable trench systems to arrange low-voltage and high-voltage power lines. Traditional solid concrete or flat steel cable covers have poor air permeability, easily causing excessive heat accumulation inside dense cable trenches. Long-term high-temperature [&hellip;]<\/p>\n","protected":false},"featured_media":1293,"template":"","meta":{"_acf_changed":false},"tags":[238],"productsnew_category":[145],"class_list":["post-1292","chanpin","type-chanpin","status-publish","has-post-thumbnail","hentry","tag-trench-drain-grating","productsnew_category-trench-drain-grating"],"acf":{"photo_gallery":{"product_images":[[{"id":1293,"title":"Cable-Trench-Cover","caption":"","full_image_url":"https:\/\/www.steelgratingchina.com\/wp-content\/uploads\/2026\/09\/Cable-Trench-Cover.webp","thumbnail_image_url":"https:\/\/www.steelgratingchina.com\/wp-content\/uploads\/2026\/09\/Cable-Trench-Cover-300x225.webp","large_srcset":"https:\/\/www.steelgratingchina.com\/wp-content\/uploads\/2026\/09\/Cable-Trench-Cover.webp 800w, https:\/\/www.steelgratingchina.com\/wp-content\/uploads\/2026\/09\/Cable-Trench-Cover-500x375.webp 500w, https:\/\/www.steelgratingchina.com\/wp-content\/uploads\/2026\/09\/Cable-Trench-Cover-300x225.webp 300w, https:\/\/www.steelgratingchina.com\/wp-content\/uploads\/2026\/09\/Cable-Trench-Cover-768x576.webp 768w, https:\/\/www.steelgratingchina.com\/wp-content\/uploads\/2026\/09\/Cable-Trench-Cover-16x12.webp 16w","medium_srcset":"https:\/\/www.steelgratingchina.com\/wp-content\/uploads\/2026\/09\/Cable-Trench-Cover-500x375.webp 500w, https:\/\/www.steelgratingchina.com\/wp-content\/uploads\/2026\/09\/Cable-Trench-Cover-300x225.webp 300w, https:\/\/www.steelgratingchina.com\/wp-content\/uploads\/2026\/09\/Cable-Trench-Cover-768x576.webp 768w, https:\/\/www.steelgratingchina.com\/wp-content\/uploads\/2026\/09\/Cable-Trench-Cover-16x12.webp 16w, https:\/\/www.steelgratingchina.com\/wp-content\/uploads\/2026\/09\/Cable-Trench-Cover.webp 800w","media_details":{"width":800,"height":600,"sizes":{"medium":{"file":"Cable-Trench-Cover-500x375.webp","width":500,"height":375,"mime-type":"image\/webp","filesize":36604,"source_url":"https:\/\/www.steelgratingchina.com\/wp-content\/uploads\/2026\/09\/Cable-Trench-Cover-500x375.webp"},"thumbnail":{"file":"Cable-Trench-Cover-300x225.webp","width":300,"height":225,"mime-type":"image\/webp","filesize":14630,"source_url":"https:\/\/www.steelgratingchina.com\/wp-content\/uploads\/2026\/09\/Cable-Trench-Cover-300x225.webp"},"medium_large":{"file":"Cable-Trench-Cover-768x576.webp","width":768,"height":576,"mime-type":"image\/webp","filesize":75972,"source_url":"https:\/\/www.steelgratingchina.com\/wp-content\/uploads\/2026\/09\/Cable-Trench-Cover-768x576.webp"},"trp-custom-language-flag":{"file":"Cable-Trench-Cover-16x12.webp","width":16,"height":12,"mime-type":"image\/webp","filesize":636,"source_url":"https:\/\/www.steelgratingchina.com\/wp-content\/uploads\/2026\/09\/Cable-Trench-Cover-16x12.webp"}}},"alt_text":"Cable Trench Cover","url":"","target":""}]]}},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Cable Trench Cover | China Supplier-Sino Grating<\/title>\n<meta name=\"description\" content=\"Cable Trench Cover supplied by China supplier Sino Grating. 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