{"id":125,"date":"2023-06-01T09:36:34","date_gmt":"2023-06-01T09:36:34","guid":{"rendered":"https:\/\/ledestube.com\/?page_id=125"},"modified":"2025-07-01T09:00:22","modified_gmt":"2025-07-01T09:00:22","slug":"faq-2","status":"publish","type":"page","link":"https:\/\/www.ledestube.com\/fr\/faq\/","title":{"rendered":"FAQ"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"125\" class=\"elementor elementor-125\">\n\t\t\t\t<div class=\"elementor-element elementor-element-08e403d e-con-full e-flex e-con e-parent\" data-id=\"08e403d\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e18a78d elementor-pagination-position-inside elementor-arrows-position-inside elementor-widget elementor-widget-image-carousel\" data-id=\"e18a78d\" data-element_type=\"widget\" data-settings=\"{&quot;slides_to_show&quot;:&quot;1&quot;,&quot;navigation&quot;:&quot;both&quot;,&quot;autoplay&quot;:&quot;yes&quot;,&quot;pause_on_hover&quot;:&quot;yes&quot;,&quot;pause_on_interaction&quot;:&quot;yes&quot;,&quot;autoplay_speed&quot;:5000,&quot;infinite&quot;:&quot;yes&quot;,&quot;effect&quot;:&quot;slide&quot;,&quot;speed&quot;:500}\" data-widget_type=\"image-carousel.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-image-carousel-wrapper swiper\" dir=\"ltr\">\n\t\t\t<div class=\"elementor-image-carousel swiper-wrapper\" aria-live=\"off\">\n\t\t\t\t\t\t\t\t<div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"1 of 5\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/www.ledestube.com\/wp-content\/uploads\/2024\/05\/Ledes-1st-UL-651-certified-PVC-electrical-rigid-ent-flexible-conduit-and-fittings-brand-manufacturer-wholesaler-distributor-factory-price.webp\" alt=\"Ledes - 1st UL 651 certified PVC electrical rigid ent flexible conduit and fittings brand manufacturer wholesaler distributor factory price\" \/><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"2 of 5\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/www.ledestube.com\/wp-content\/uploads\/2024\/05\/Ledes-CSA-certified-DB2ES2-EB1-rigid-conduit-pipe-and-fittings-brand-manufacturer-factory-supplier-1.webp\" alt=\"Ledes CSA certified DB2ES2 EB1 rigid conduit pipe and fittings brand manufacturer factory supplier\" \/><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"3 of 5\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/www.ledestube.com\/wp-content\/uploads\/2024\/05\/Ledes-IEC-ASNS-2053-certified-LSZH-conduit-pipe-and-fittings-brand-manufacturer-factory-supplier-1.webp\" alt=\"Ledes IEC &amp; ASNS 2053 certified LSZH conduit pipe and fittings brand manufacturer factory supplier\" \/><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"4 of 5\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/www.ledestube.com\/wp-content\/uploads\/2024\/05\/Ledes-ASNZS-2053-rigid-and-corrugated-conduit-pipe-and-fittings-factory-supplier-wholesaler-manufacturer-1.webp\" alt=\"Ledes ASNZS 2053 rigid and corrugated conduit pipe and fittings factory supplier wholesaler manufacturer\" \/><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"5 of 5\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/www.ledestube.com\/wp-content\/uploads\/2024\/05\/Ledes-1st-UL-CSA-certified-PVC-electrical-conduit-pipe-and-fittings-brand-manufacturter-wholesaler-distributor-factory-price-1-1.webp\" alt=\"Ledes - 1st UL &amp; CSA certified PVC electrical conduit pipe and fittings brand manufacturter wholesaler distributor factory price\" \/><\/figure><\/div>\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-swiper-button elementor-swiper-button-prev\" role=\"button\" tabindex=\"0\">\n\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-eicon-chevron-left\" viewBox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M646 125C629 125 613 133 604 142L308 442C296 454 292 471 292 487 292 504 296 521 308 533L604 854C617 867 629 875 646 875 663 875 679 871 692 858 704 846 713 829 713 812 713 796 708 779 692 767L438 487 692 225C700 217 708 204 708 187 708 171 704 154 692 142 675 129 663 125 646 125Z\"><\/path><\/svg>\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"elementor-swiper-button elementor-swiper-button-next\" role=\"button\" tabindex=\"0\">\n\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-eicon-chevron-right\" viewBox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M696 533C708 521 713 504 713 487 713 471 708 454 696 446L400 146C388 133 375 125 354 125 338 125 325 129 313 142 300 154 292 171 292 187 292 204 296 221 308 233L563 492 304 771C292 783 288 800 288 817 288 833 296 850 308 863 321 871 338 875 354 875 371 875 388 867 400 854L696 533Z\"><\/path><\/svg>\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"swiper-pagination\"><\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-56773ec e-flex e-con-boxed e-con e-child\" data-id=\"56773ec\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a9fb261 elementor-widget elementor-widget-woocommerce-breadcrumb\" data-id=\"a9fb261\" data-element_type=\"widget\" data-widget_type=\"woocommerce-breadcrumb.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<nav class=\"woocommerce-breadcrumb\" aria-label=\"Breadcrumb\">Accueil<\/nav>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c16e899 elementor-widget elementor-widget-heading\" data-id=\"c16e899\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">FAQ<\/h1>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dadb3a9 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"dadb3a9\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2ccd326 elementor-widget elementor-widget-text-editor\" data-id=\"2ccd326\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>On this page, you can view frequently asked questions about our products and services. Of course, you can filter products by category on the left so that you can find answers quickly.<br \/>We have also made FAQ videos and keep updates, and you can also watch videos to get the information you need to know quickly.<br \/>If you have any questions, you can contact us by submitting the form, sending an email, or sending a What&#8217;s App message.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-65f9069 e-flex e-con-boxed e-con e-parent\" data-id=\"65f9069\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-ec112c1 e-con-full e-flex e-con e-child\" data-id=\"ec112c1\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fd25eae elementor-widget elementor-widget-ucaddon_ue_accordion_menu\" data-id=\"fd25eae\" data-element_type=\"widget\" data-widget_type=\"ucaddon_ue_accordion_menu.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<!-- start Accordion Menu -->\n\t\t<link id='font-awesome-css' href='https:\/\/www.ledestube.com\/wp-content\/plugins\/unlimited-elements-for-elementor-premium\/assets_libraries\/font-awesome5\/css\/fontawesome-all.min.css' type='text\/css' rel='stylesheet' >\n\t\t<link id='font-awesome-4-shim-css' href='https:\/\/www.ledestube.com\/wp-content\/plugins\/unlimited-elements-for-elementor-premium\/assets_libraries\/font-awesome5\/css\/fontawesome-v4-shims.css' type='text\/css' rel='stylesheet' >\n\n\t\t\t<style type=\"text\/css\">\/* widget: Accordion Menu *\/\n\n#uc_ue_accordion_menu_elementor19741 *\n{\n  box-sizing:border-box;\n}\n\n#uc_ue_accordion_menu_elementor19741 .uc-side-menu-wrapper\n{\n  position:relative;\n}\n\n\t\n\t\n\n\n#uc_ue_accordion_menu_elementor19741 .uc-side-menu-items\n{\n  position:relative;\n  overflow-x: hidden;\n  transition:1s;\n}\n\n#uc_ue_accordion_menu_elementor19741 .open_side_menu\n{\n  cursor:pointer;\n  display:flex;\n  align-items:center;\n  justify-content:center;\n  transition:1s;\n}\n\n#uc_ue_accordion_menu_elementor19741 .uc-side-menu-title\n{\n  text-align:left;\n}\n\n\n#uc_ue_accordion_menu_elementor19741 .uc-side-menu-items ul\n{\n  padding:0px;\n  margin:0px;\n  list-style:none;\n}\n\n#uc_ue_accordion_menu_elementor19741 .uc-side-menu-items ul a\n{\n  display:block;\n  text-decoration:none;\n}\n\n\n#uc_ue_accordion_menu_elementor19741 .sub-menu {\n    overflow: hidden;\n    list-style: none;\n    height: auto;\n    transition: 0.5s;\n    display:none;\n}\n\n.uc-no-transition .sub-menu {\n    transition: none;  \n}\n\n<\/style>\n\n\t\t\t<div id=\"uc_ue_accordion_menu_elementor19741\" class=\"side-menu-holder\" data-closeothers=\"no\" data-clickable=\"false\">\n\n  <div class=\"uc-side-menu-items\">\n    <div class=\"uc-header\">\n\n            <div class=\"uc-side-menu-title\">Department<\/div> \n      \n    <\/div>\n\n    <ul id=\"menu-faq-menu\" class=\"uc-list-menu\"><li id=\"menu-item-487\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-487\"><a href=\"https:\/\/www.ledestube.com\/fr\/ul-listed-conduit\/\">UL Listed Conduit<\/a><\/li>\n<li id=\"menu-item-509\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-509\"><a href=\"https:\/\/www.ledestube.com\/fr\/csa-certified-conduit\/\">CSA Certified Conduit<\/a><\/li>\n<li id=\"menu-item-508\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-508\"><a href=\"https:\/\/www.ledestube.com\/fr\/halogen-free-conduit\/\">Halogen Free Conduit<\/a><\/li>\n<li id=\"menu-item-507\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-507\"><a href=\"https:\/\/www.ledestube.com\/fr\/solar-conduit\/\">Solar Conduit<\/a><\/li>\n<li id=\"menu-item-506\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-506\"><a href=\"https:\/\/www.ledestube.com\/fr\/others\/\">Others<\/a><\/li>\n<\/ul>\n    \n  <\/div>\n\n<\/div>\n\t\t\t<!-- end Accordion Menu -->\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-73cf26c e-con-full e-flex e-con e-child\" data-id=\"73cf26c\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e0b352d elementor-widget elementor-widget-accordion\" data-id=\"e0b352d\" data-element_type=\"widget\" data-widget_type=\"accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-accordion\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-2351\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-2351\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><svg class=\"e-font-icon-svg e-fas-angle-down\" viewBox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><svg class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">How do I know or get a letter stating your products are UL Listed?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2351\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-2351\"><p>You do not need to do this. You can simply visit the UL website and look up listed manufacturers. You can also print the result page; the UL listed mark is shown on the product.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-2352\" class=\"elementor-tab-title\" data-tab=\"2\" role=\"button\" aria-controls=\"elementor-tab-content-2352\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><svg class=\"e-font-icon-svg e-fas-angle-down\" viewBox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><svg class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">What specification does Ledes RNC meet?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2352\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"region\" aria-labelledby=\"elementor-tab-title-2352\"><p>Ledes rigid nonmetallic PVC conduits meet UL 651 standards and comply with NEMA standard TC-2.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-2353\" class=\"elementor-tab-title\" data-tab=\"3\" role=\"button\" aria-controls=\"elementor-tab-content-2353\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><svg class=\"e-font-icon-svg e-fas-angle-down\" viewBox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><svg class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Does it have a voltage limit for ENT?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2353\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"3\" role=\"region\" aria-labelledby=\"elementor-tab-title-2353\"><p>Yes, all ENT is limited to 600 Volts or less.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-2354\" class=\"elementor-tab-title\" data-tab=\"4\" role=\"button\" aria-controls=\"elementor-tab-content-2354\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><svg class=\"e-font-icon-svg e-fas-angle-down\" viewBox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><svg class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">How does sunlight or UV affect Ledes conduit?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2354\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"4\" role=\"region\" aria-labelledby=\"elementor-tab-title-2354\"><p>Ledes rigid schedule 40 &amp; 80 PVC electrical conduit pipe and fittings meet the Underwriters Laboratory&#8217;s (UL) &#8220;Sunlight Resistant&#8221; rating requirement and are listed by UL for use in direct sunlight. However, Ledes increased performance sharply by upgrading the formula and manufacturing procedure. That&#8217;s why Ledes passed the highest rating of the sunlight resistance test of UL. However, long-term exposure of any plastic pipe to direct sunlight will gradually deteriorate its physical properties. The ducts start yellow and turn brown at the end. At the same time, its impact resistance is getting weaker and weaker, and the most intuitive phenomenon is that the catheter becomes &#8216;brittle.&#8217; Therefore, during our project, if we need to store it in an outdoor environment for a long time (for example, more than six months), we need to cover it with a tarp or other opaque materials in advance and keep air circulation at the same time, pipes need to be stored on a supported cover.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-2355\" class=\"elementor-tab-title\" data-tab=\"5\" role=\"button\" aria-controls=\"elementor-tab-content-2355\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><svg class=\"e-font-icon-svg e-fas-angle-down\" viewBox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><svg class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">The schedule 40 & 80 conduit and fittings can install in concrete?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2355\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"5\" role=\"region\" aria-labelledby=\"elementor-tab-title-2355\"><p>Yes. Our schedule 40 &amp; 80 electrical conduits are designed for encased concrete, drywall, direct burials, and outdoor purposes. For allowable installation and restrictions, please see related NEC guidelines.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-2356\" class=\"elementor-tab-title\" data-tab=\"6\" role=\"button\" aria-controls=\"elementor-tab-content-2356\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><svg class=\"e-font-icon-svg e-fas-angle-down\" viewBox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><svg class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Do your Schedule 40 & 80 electrical conduits and fittings work outdoors or in direct sunlight?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2356\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"6\" role=\"region\" aria-labelledby=\"elementor-tab-title-2356\"><p>Ledes schedule 40 &amp; 80 electrical conduit and fittings are UL 651 listed and 100% conform to the \u201cSunlight Resistance\u201d specification.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-2357\" class=\"elementor-tab-title\" data-tab=\"7\" role=\"button\" aria-controls=\"elementor-tab-content-2357\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><svg class=\"e-font-icon-svg e-fas-angle-down\" viewBox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><svg class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">How about the fire rating of PVC conduit & fittings?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2357\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"7\" role=\"region\" aria-labelledby=\"elementor-tab-title-2357\"><p>Our products are UL 94V-0 (ASTM D 3801) approved. It means our schedule 40 &amp; 80 electrical PVC conduit will self-extinguishing in 5 seconds after cutting off fire sources. And Ledes Schedule 40 &amp; 80 Low smoke halogen free conduit series will emit less smoke and zero halogens after burning.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-2358\" class=\"elementor-tab-title\" data-tab=\"8\" role=\"button\" aria-controls=\"elementor-tab-content-2358\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><svg class=\"e-font-icon-svg e-fas-angle-down\" viewBox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><svg class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Does the temperature affect PVC conduit installations?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2358\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"8\" role=\"region\" aria-labelledby=\"elementor-tab-title-2358\"><p>The conduit of Ledes maximum working temperature ranges from -40 to +110\u2103 (-40 to 230\u2109). But we still recommend installing temperature range from -4 to 50\u2103(-20 to 122\u2109), especially outdoors or in direct sunlight, and the expansion couplings should be installed at the recommended intervals.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-2359\" class=\"elementor-tab-title\" data-tab=\"9\" role=\"button\" aria-controls=\"elementor-tab-content-2359\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><svg class=\"e-font-icon-svg e-fas-angle-down\" viewBox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><svg class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Is the Schedule 40 PVC electrical conduit the same as the Schedule 40 water pipe?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2359\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"9\" role=\"region\" aria-labelledby=\"elementor-tab-title-2359\"><div class=\"subNavBox2\"><p>No, the difference between the two is the design goal. Schedule 40 PVC conduits for electrical and schedule 40 water pipes for water transmission.<\/p><\/div><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-23510\" class=\"elementor-tab-title\" data-tab=\"10\" role=\"button\" aria-controls=\"elementor-tab-content-23510\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><svg class=\"e-font-icon-svg e-fas-angle-down\" viewBox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><svg class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">What is the UL standard applied for utility ducts?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-23510\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"10\" role=\"region\" aria-labelledby=\"elementor-tab-title-23510\"><p>DB-120 and EB-20 are UL 651 standards. All the utility duct conforms to ASTM F-512 and NEMA TC 6&amp;8.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-23511\" class=\"elementor-tab-title\" data-tab=\"11\" role=\"button\" aria-controls=\"elementor-tab-content-23511\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><svg class=\"e-font-icon-svg e-fas-angle-down\" viewBox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><svg class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">DB-120 utility duct be encased in concrete?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-23511\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"11\" role=\"region\" aria-labelledby=\"elementor-tab-title-23511\"><p>Yes. DB-60, DB-100, and DB-120 can be directly buried or installed in concrete. EB-20 and EB-35 must be encased in concrete.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-23512\" class=\"elementor-tab-title\" data-tab=\"12\" role=\"button\" aria-controls=\"elementor-tab-content-23512\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><svg class=\"e-font-icon-svg e-fas-angle-down\" viewBox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><svg class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">What determines the need for Schedule 80 as opposed to Schedule 40?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-23512\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"12\" role=\"region\" aria-labelledby=\"elementor-tab-title-23512\"><p>As directed by NEC section 352.10, Schedule 80 is to be used in areas of possible damage. The difference between the two is the wall thickness. Compared with Schedule 40 PVC conduit, the Schedule 80 PVC conduit has a thicker wall, meaning it has higher impact resistance. That\u2019s why NEC was saying this.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-23513\" class=\"elementor-tab-title\" data-tab=\"13\" role=\"button\" aria-controls=\"elementor-tab-content-23513\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><svg class=\"e-font-icon-svg e-fas-angle-down\" viewBox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><svg class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Schedule 40 & 80 PVC conduit to penetrate fire-wall or ceilings?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-23513\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"13\" role=\"region\" aria-labelledby=\"elementor-tab-title-23513\"><p>Yes, all listed PVC conduits can be used in this manner. But we still recommended using a listed fire stop in conjunction with the conduit in case of fire.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-23514\" class=\"elementor-tab-title\" data-tab=\"14\" role=\"button\" aria-controls=\"elementor-tab-content-23514\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><svg class=\"e-font-icon-svg e-fas-angle-down\" viewBox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><svg class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Does Ledes provide CAD file drawings of products?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-23514\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"14\" role=\"region\" aria-labelledby=\"elementor-tab-title-23514\"><p>We do not provide CAD file drawings of products. Still, we can provide product catalogs and technical parameter documents, most of which are already available on the download page of our website. You can contact our business engineers for more information if you have other needs.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-23515\" class=\"elementor-tab-title\" data-tab=\"15\" role=\"button\" aria-controls=\"elementor-tab-content-23515\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><svg class=\"e-font-icon-svg e-fas-angle-down\" viewBox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><svg class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">What is the country of Origin for the export of Ledes products?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-23515\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"15\" role=\"region\" aria-labelledby=\"elementor-tab-title-23515\"><div class=\"subNavBox2\"><p>China is the Country of Origin for the export of Ledes products.<\/p><\/div><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<script type=\"application\/ld+json\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How do I know or get a letter stating your products are UL Listed?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>You do not need to do this. You can simply visit the UL website and look up listed manufacturers. You can also print the result page; the UL listed mark is shown on the product.<\\\/p>\"}},{\"@type\":\"Question\",\"name\":\"What specification does Ledes RNC meet?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>Ledes rigid nonmetallic PVC conduits meet UL 651 standards and comply with NEMA standard TC-2.<\\\/p>\"}},{\"@type\":\"Question\",\"name\":\"Does it have a voltage limit for ENT?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>Yes, all ENT is limited to 600 Volts or less.<\\\/p>\"}},{\"@type\":\"Question\",\"name\":\"How does sunlight or UV affect Ledes conduit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>Ledes rigid schedule 40 &amp; 80 PVC electrical conduit pipe and fittings meet the Underwriters Laboratory&#8217;s (UL) &#8220;Sunlight Resistant&#8221; rating requirement and are listed by UL for use in direct sunlight. However, Ledes increased performance sharply by upgrading the formula and manufacturing procedure. That&#8217;s why Ledes passed the highest rating of the sunlight resistance test of UL. However, long-term exposure of any plastic pipe to direct sunlight will gradually deteriorate its physical properties. The ducts start yellow and turn brown at the end. At the same time, its impact resistance is getting weaker and weaker, and the most intuitive phenomenon is that the catheter becomes &#8216;brittle.&#8217; Therefore, during our project, if we need to store it in an outdoor environment for a long time (for example, more than six months), we need to cover it with a tarp or other opaque materials in advance and keep air circulation at the same time, pipes need to be stored on a supported cover.<\\\/p>\"}},{\"@type\":\"Question\",\"name\":\"The schedule 40 & 80 conduit and fittings can install in concrete?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>Yes. Our schedule 40 &amp; 80 electrical conduits are designed for encased concrete, drywall, direct burials, and outdoor purposes. For allowable installation and restrictions, please see related NEC guidelines.<\\\/p>\"}},{\"@type\":\"Question\",\"name\":\"Do your Schedule 40 & 80 electrical conduits and fittings work outdoors or in direct sunlight?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>Ledes schedule 40 &amp; 80 electrical conduit and fittings are UL 651 listed and 100% conform to the \\u201cSunlight Resistance\\u201d specification.<\\\/p>\"}},{\"@type\":\"Question\",\"name\":\"How about the fire rating of PVC conduit & fittings?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>Our products are UL 94V-0 (ASTM D 3801) approved. It means our schedule 40 &amp; 80 electrical PVC conduit will self-extinguishing in 5 seconds after cutting off fire sources. And Ledes Schedule 40 &amp; 80 Low smoke halogen free conduit series will emit less smoke and zero halogens after burning.<\\\/p>\"}},{\"@type\":\"Question\",\"name\":\"Does the temperature affect PVC conduit installations?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>The conduit of Ledes maximum working temperature ranges from -40 to +110\\u2103 (-40 to 230\\u2109). But we still recommend installing temperature range from -4 to 50\\u2103(-20 to 122\\u2109), especially outdoors or in direct sunlight, and the expansion couplings should be installed at the recommended intervals.<\\\/p>\"}},{\"@type\":\"Question\",\"name\":\"Is the Schedule 40 PVC electrical conduit the same as the Schedule 40 water pipe?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<div class=\\\"subNavBox2\\\"><p>No, the difference between the two is the design goal. Schedule 40 PVC conduits for electrical and schedule 40 water pipes for water transmission.<\\\/p><\\\/div>\"}},{\"@type\":\"Question\",\"name\":\"What is the UL standard applied for utility ducts?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>DB-120 and EB-20 are UL 651 standards. All the utility duct conforms to ASTM F-512 and NEMA TC 6&amp;8.<\\\/p>\"}},{\"@type\":\"Question\",\"name\":\"DB-120 utility duct be encased in concrete?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>Yes. DB-60, DB-100, and DB-120 can be directly buried or installed in concrete. EB-20 and EB-35 must be encased in concrete.<\\\/p>\"}},{\"@type\":\"Question\",\"name\":\"What determines the need for Schedule 80 as opposed to Schedule 40?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>As directed by NEC section 352.10, Schedule 80 is to be used in areas of possible damage. The difference between the two is the wall thickness. Compared with Schedule 40 PVC conduit, the Schedule 80 PVC conduit has a thicker wall, meaning it has higher impact resistance. That\\u2019s why NEC was saying this.<\\\/p>\"}},{\"@type\":\"Question\",\"name\":\"Schedule 40 & 80 PVC conduit to penetrate fire-wall or ceilings?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>Yes, all listed PVC conduits can be used in this manner. But we still recommended using a listed fire stop in conjunction with the conduit in case of fire.<\\\/p>\"}},{\"@type\":\"Question\",\"name\":\"Does Ledes provide CAD file drawings of products?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>We do not provide CAD file drawings of products. Still, we can provide product catalogs and technical parameter documents, most of which are already available on the download page of our website. You can contact our business engineers for more information if you have other needs.<\\\/p>\"}},{\"@type\":\"Question\",\"name\":\"What is the country of Origin for the export of Ledes products?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<div class=\\\"subNavBox2\\\"><p>China is the Country of Origin for the export of Ledes products.<\\\/p><\\\/div>\"}}]}<\/script>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-76cc469 e-flex e-con-boxed e-con e-parent\" data-id=\"76cc469\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0148217 elementor-widget elementor-widget-heading\" data-id=\"0148217\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">FAQ Videos<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fc68dc7 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"fc68dc7\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0aad917 e-flex e-con-boxed e-con e-parent\" data-id=\"0aad917\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-723b950 elementor-skin-carousel elementor-arrows-yes elementor-pagination-type-bullets elementor-pagination-position-outside elementor-widget elementor-widget-media-carousel\" data-id=\"723b950\" data-element_type=\"widget\" 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That included UL &#038; CSA certified conduit, AS\/NZS 2053 &#038; IEC certified LSF pipe and fittings.<\/p>","protected":false},"author":1,"featured_media":5574,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-125","page","type-page","status-publish","has-post-thumbnail","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 4.8.3.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"Frequently asked questions (FAQ) about Ledes products and services. 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