{"id":11016,"date":"2023-04-14T15:02:59","date_gmt":"2023-04-14T13:02:59","guid":{"rendered":"https:\/\/rwlkwwtx9d.wpdns.site\/?post_type=post&#038;p=11016"},"modified":"2026-03-06T14:14:41","modified_gmt":"2026-03-06T13:14:41","slug":"corrugated-cable-ducts-technical-specifications","status":"publish","type":"post","link":"https:\/\/polieco.com\/en\/corrugated-cable-ducts-technical-specifications\/","title":{"rendered":"Corrugated Cable Ducts Technical Specifications"},"content":{"rendered":"<p style=\"text-align: left;\">When we speak of <strong>corrugated for electrical system<\/strong>, we are referring to a double-layer polyethylene pipe with a smooth inner wall and a corrugated outer wall.<\/p>\n<p style=\"text-align: left;\">This is a <a href=\"https:\/\/polieco.com\/en\/type\/cable-conduits\/\" target=\"_blank\" rel=\"noopener\">cable carrier pipe<\/a> intended for installation underground in a trench and is used to protect cables in underground electrical and telephone installations.<\/p>\n<p style=\"text-align: left;\"><a href=\"https:\/\/polieco.com\/en\/prodotti\/cavidotti-750-n-enel\/\" target=\"_blank\" rel=\"noopener\">Tubes for electrical wires<\/a> are mainly distinguished by their resistance to crushing defined by the Newton unit of measurement (N). The main <strong>cable protectors <\/strong>produced and marketed are therefore divided into 3 types:<\/p>\n<ul class=\"list-marked\">\n<li><a href=\"https:\/\/polieco.com\/en\/prodotti\/cavidotti-450-n\/\" target=\"_blank\" rel=\"noopener\">Cable duct 450 N<\/a>: used for the protection of low- and medium-voltage electrical wires;<\/li>\n<li>Enel <a href=\"https:\/\/polieco.com\/en\/prodotti\/cavidotti-750-n-enel\/\" target=\"_blank\" rel=\"noopener\">750 N cable duct<\/a>: applied in the protection of low and medium voltage electrical wires and underground telephone cables;<\/li>\n<li>Cable duct 450 N Telecom: used for the protection of low-voltage electrical wires and underground telephone cables.<\/li>\n<\/ul>\n<p style=\"text-align: left;\">The <strong>electrical wire tube<\/strong> is made of a neutral high-density polyethylene compound, masterbatch dyed with anti-UV additive for 1-year resistance at 130 KLangley.<\/p>\n<p style=\"text-align: left;\">As we have already seen in previous articles, the EN 61386 standard establishes the internal and external diameters that <strong>pipes for electrical cables <\/strong>must have in order to be marketed; manufacturers, on the other hand, have the option of defining the packaging, i.e. whether to make <a href=\"https:\/\/polieco.com\/en\/prodotti\/cavidotti-450-n\/\" target=\"_blank\" rel=\"noopener\">pipes for electrical systems<\/a> in coils or in bars, and the relevant length.<\/p>\n<p style=\"text-align: left;\">Due to its structural strength, the <strong>Polieco cable duct<\/strong> requires no special care during transport, unloading and storage.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><a class=\"button button-darker\" href=\"https:\/\/polieco.com\/en\/the-features-of-underground-cable-conduits\/\" target=\"_blank\" rel=\"noopener\">Characteristics of cable ducts<\/a>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <a class=\"button button-darker\" href=\"https:\/\/polieco.com\/en\/type\/cable-conduits\/\" target=\"_blank\" rel=\"noopener\">Discover Polieco&#8217;s cable ducts<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>When we speak of corrugated for electrical system, we are referring to a double-layer polyethylene pipe with a smooth inner [&hellip;]<\/p>\n","protected":false},"author":15,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[140],"tags":[],"class_list":["post-11016","post","type-post","status-publish","format-standard","hentry","category-cable-conduits"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>The Technical Characteristics of Cable Ducts | Polieco<\/title>\n<meta name=\"description\" content=\"By regulation, all corrugated cable ducts have technical standards to follow. 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