{"id":4491,"date":"2023-06-16T09:01:31","date_gmt":"2023-06-16T09:01:31","guid":{"rendered":"https:\/\/www.topcable.com\/blog-electric-cable\/?p=4491"},"modified":"2025-04-08T11:22:11","modified_gmt":"2025-04-08T11:22:11","slug":"photovoltaic-cables-designations","status":"publish","type":"post","link":"https:\/\/www.topcable.com\/blog-electric-cable\/photovoltaic-cables-designations\/","title":{"rendered":"Photovoltaic cables designations"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>Photovoltaic cables have a designation that is marked according to the established standard. This denomination is composed of a set of letters and numbers, each with a meaning. In this article, we will detail the meaning of the designation code used for photovoltaic cables.<\/strong><\/p>\n\n\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 ez-toc-wrap-left-text counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<label for=\"ez-toc-cssicon-toggle-item-6a6b637ace725\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"ez-toc-title\" style=\"cursor:inherit\">INDEX<\/span>\n<span class=\"ez-toc-cssicon\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #444444;color:#444444\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #444444;color:#444444\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6a6b637ace725\" checked \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.topcable.com\/blog-electric-cable\/photovoltaic-cables-designations\/#photovoltaic-cables-up-to-the-connection-box-dc-low-voltage-cable\" >PHOTOVOLTAIC CABLES UP TO THE CONNECTION BOX: DC LOW VOLTAGE CABLE<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.topcable.com\/blog-electric-cable\/photovoltaic-cables-designations\/#photovoltaic-cables-between-the-connection-box-and-the-inverter\" >PHOTOVOLTAIC CABLES BETWEEN THE CONNECTION BOX AND THE INVERTER<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.topcable.com\/blog-electric-cable\/photovoltaic-cables-designations\/#photovoltaic-cables-between-the-transformer-and-electrical-substation\" >PHOTOVOLTAIC CABLES BETWEEN THE TRANSFORMER AND ELECTRICAL SUBSTATION<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.topcable.com\/blog-electric-cable\/photovoltaic-cables-designations\/#auxiliary-cables-in-a-photovoltaic-installation\" >AUXILIARY CABLES IN A PHOTOVOLTAIC INSTALLATION<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.topcable.com\/blog-electric-cable\/photovoltaic-cables-designations\/#top-cables-range-of-photovoltaic-cables\" >TOP CABLE&#8217;S RANGE OF PHOTOVOLTAIC CABLES<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"photovoltaic-cables-up-to-the-connection-box-dc-low-voltage-cable\"><\/span>PHOTOVOLTAIC CABLES UP TO THE CONNECTION BOX: DC LOW VOLTAGE CABLE<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">We are talking about a Low Voltage cable in direct current, in accordance with the <a href=\"https:\/\/www.une.org\/encuentra-tu-norma\/busca-tu-norma\/norma?c=N0054621\" target=\"_blank\" rel=\"noreferrer noopener\">EN 50618 standard<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In this case, we are going to analyze the meaning of the letters that name the cable <a href=\"https:\/\/www.topcable.com\/cable\/topsolar-pv-zz-f-h1z2z2-k\/\">TOPSOLAR H1Z2Z2-K 1,5kV<\/a>:<\/p>\n\n\n\n\n\n<figure class=\"wp-block-table\"><table style=\"border-width:1px\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>H1<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">Voltage rate: harmonized cable at 1.5\/1.5 kV DC<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Z2<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">Insulation: Halogen-free cross-linked compound<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Z2<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">Sheath: halogen-free cross-linked compound<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>-K<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">Flexible tinned copper conductor, Class 5 (flexible) according to IEC 60228. In solar cables, the tinned copper conductor is a mandatory requirement of the EN 50618 standard<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>1,5 KV<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">Rated voltage in kV<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Code meaning H1Z2Z2-K<\/figcaption><\/figure>\n\n\n\n\n\n<div class=\"wp-block-cover\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim\"><\/span><img decoding=\"async\" class=\"wp-block-cover__image-background wp-image-14589 lazyload\" alt=\"panells solars AKSON\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2023\/06\/0609220000-scaled.jpg\" data-object-fit=\"cover\"\/><noscript><img decoding=\"async\" width=\"1300\" height=\"866\" class=\"wp-block-cover__image-background wp-image-14589 lazyload\" alt=\"panells solars AKSON\" src=\"https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2023\/06\/0609220000-scaled.jpg\" data-object-fit=\"cover\" srcset=\"https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2023\/06\/0609220000-scaled.jpg 1300w, https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2023\/06\/0609220000-300x200.jpg 300w, https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2023\/06\/0609220000-1024x682.jpg 1024w, https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2023\/06\/0609220000-768x512.jpg 768w, https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2023\/06\/0609220000-1536x1023.jpg 1536w, https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2023\/06\/0609220000-2048x1364.jpg 2048w, https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2023\/06\/0609220000-624x416.jpg 624w\" sizes=\"(max-width: 1300px) 100vw, 1300px\" \/><\/noscript><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\">\n<p class=\"has-text-align-center has-large-font-size wp-block-paragraph\"><\/p>\n<\/div><\/div>\n\n\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"photovoltaic-cables-between-the-connection-box-and-the-inverter\"><\/span>PHOTOVOLTAIC CABLES BETWEEN THE CONNECTION BOX AND THE INVERTER<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">These are Low Voltage cables in direct current.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"photovoltaic-cables-between-the-transformer-and-electrical-substation\"><\/span>PHOTOVOLTAIC CABLES BETWEEN THE TRANSFORMER AND ELECTRICAL SUBSTATION<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">These are Medium Voltage cables in alternating current, such as the X-VOLT, RHZ1-OL, or X-VOLT HEPRZ1 cables, ranging from 6\/10 to 18\/30 kV.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In this case, we will analyze the example of the cable <a href=\"https:\/\/www.topcable.com\/cable\/x-volt-al-ol-2ol-rhz1-s\/\">X-VOLT RHZ1-OL (S)<\/a> 12\/20kV 1&#215;150 K AL+H16.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">X-VOLT type cable: Medium Voltage cables.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The first section (RHZ1 in the example) refers to the cable&#8217;s layers, always from the inside out. In this case, the meaning of the letters:<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-table\"><table style=\"border-width:1px\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">R<\/td><td class=\"has-text-align-center\" data-align=\"center\">XLPE insulation<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">H<\/td><td class=\"has-text-align-center\" data-align=\"center\">Added semiconductor screen and metallic screen<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Z1<\/td><td class=\"has-text-align-center\" data-align=\"center\">Halogen-free polyolefin cover<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Code meaning RHZ1<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The second block (-OL (S) in the example) refers to the additional features:<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-table\"><table style=\"border-width:1px\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">(blank)<\/td><td class=\"has-text-align-center\" data-align=\"center\">Cable without obturation<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">-OL<\/td><td class=\"has-text-align-center\" data-align=\"center\">Longitudinally shuttered screen<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">(S)<\/td><td class=\"has-text-align-center\" data-align=\"center\">Security Cable, no flame propagator<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">12\/20 kV<\/td><td class=\"has-text-align-center\" data-align=\"center\">Rated voltage, in kV<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">1 x 50<\/td><td class=\"has-text-align-center\" data-align=\"center\">Conductors number and section, in mm<sup>2<\/sup><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">K AL<\/td><td class=\"has-text-align-center\" data-align=\"center\">Compact aluminum conductor<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">H16<\/td><td class=\"has-text-align-center\" data-align=\"center\">Wire screen made of copper, 16 mm<sup>2<\/sup><\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Code meaning -OL (S)<\/figcaption><\/figure>\n\n\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"auxiliary-cables-in-a-photovoltaic-installation\"><\/span>AUXILIARY CABLES IN A PHOTOVOLTAIC INSTALLATION<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">In a photovoltaic installation, you can also find auxiliary cables, whose designation we analyzed in <a href=\"https:\/\/www.topcable.com\/blog-electric-cable\/en\/low-voltage-electrical-cables-designation-0-6-1-kv-2\/\" target=\"_blank\" rel=\"noopener\">this post<\/a>. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"top-cables-range-of-photovoltaic-cables\"><\/span>TOP CABLE&#8217;S RANGE OF PHOTOVOLTAIC CABLES<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">At Top Cable, we are a <a href=\"https:\/\/www.topcable.com\/blog-electric-cable\/en\/cables-for-photovoltaic-installations\/\">manufacturer and comprehensive supplier of solar cables<\/a> for all the interconnections of a photovoltaic plant of any size, anywhere in the world.<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-cover\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim\"><\/span><img decoding=\"async\" class=\"wp-block-cover__image-background wp-image-14698 lazyload\" alt=\"photovoltaic cables | cable H1Z2Z2-K\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2016\/01\/pv-plant-solar.jpg\" data-object-fit=\"cover\"\/><noscript><img decoding=\"async\" width=\"570\" height=\"700\" class=\"wp-block-cover__image-background wp-image-14698 lazyload\" alt=\"photovoltaic cables | cable H1Z2Z2-K\" src=\"https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2016\/01\/pv-plant-solar.jpg\" data-object-fit=\"cover\" srcset=\"https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2016\/01\/pv-plant-solar.jpg 570w, https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2016\/01\/pv-plant-solar-244x300.jpg 244w\" sizes=\"(max-width: 570px) 100vw, 570px\" \/><\/noscript><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\">\n<p class=\"has-text-align-center has-large-font-size wp-block-paragraph\"><\/p>\n<\/div><\/div>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Has a wide range of photovoltaic cables. Do not hesitate to <a href=\"https:\/\/www.topcable.com\/contact\/\/\" target=\"_blank\" rel=\"noreferrer noopener\">contact<\/a> our sales team to find the cable that best suits your project.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Photovoltaic cables have a designation that is marked according to the established standard. This denomination is composed of a set of letters and numbers, each with a meaning. In this article, we will detail the meaning of the designation code used for photovoltaic cables. PHOTOVOLTAIC CABLES UP TO THE CONNECTION BOX: DC LOW VOLTAGE CABLE [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":14981,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[588],"tags":[],"class_list":["post-4491","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-top-cable-en"],"_links":{"self":[{"href":"https:\/\/www.topcable.com\/blog-electric-cable\/wp-json\/wp\/v2\/posts\/4491","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.topcable.com\/blog-electric-cable\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.topcable.com\/blog-electric-cable\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.topcable.com\/blog-electric-cable\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.topcable.com\/blog-electric-cable\/wp-json\/wp\/v2\/comments?post=4491"}],"version-history":[{"count":16,"href":"https:\/\/www.topcable.com\/blog-electric-cable\/wp-json\/wp\/v2\/posts\/4491\/revisions"}],"predecessor-version":[{"id":29101,"href":"https:\/\/www.topcable.com\/blog-electric-cable\/wp-json\/wp\/v2\/posts\/4491\/revisions\/29101"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.topcable.com\/blog-electric-cable\/wp-json\/wp\/v2\/media\/14981"}],"wp:attachment":[{"href":"https:\/\/www.topcable.com\/blog-electric-cable\/wp-json\/wp\/v2\/media?parent=4491"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.topcable.com\/blog-electric-cable\/wp-json\/wp\/v2\/categories?post=4491"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.topcable.com\/blog-electric-cable\/wp-json\/wp\/v2\/tags?post=4491"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}