{"id":4050,"date":"2026-10-28T09:12:35","date_gmt":"2026-10-28T01:12:35","guid":{"rendered":"https:\/\/cablefiretest.com\/?p=4050"},"modified":"2026-10-28T09:12:35","modified_gmt":"2026-10-28T01:12:35","slug":"en-13501-6-explained-how-europe-classifies-the-fire-performance-of-electric-cables","status":"publish","type":"post","link":"https:\/\/cablefiretest.com\/zh\/news-center\/en-13501-6-explained-how-europe-classifies-the-fire-performance-of-electric-cables\/","title":{"rendered":"EN 13501-6 Explained: How Europe Classifies the Fire Performance of Electric Cables"},"content":{"rendered":"<p>In our previous post, we covered\u00a0EN 13501-1, the European classification standard for the reaction-to-fire performance of construction products. But EN 13501 is actually a family of standards, each covering a different aspect of fire safety:<\/p><ul><li><strong>EN 13501-1<\/strong>\u00a0\u2013 Reaction to fire (products &amp; materials)<\/li><li><strong>EN 13501-2 \/ -3\u00a0<\/strong>\u2013 Fire resistance of building elements &amp; service installations<\/li><li><strong>EN 13501-4<\/strong>\u00a0\u2013 Smoke control systems<\/li><li><strong>EN 13501-5<\/strong>\u00a0\u2013 External fire performance of roofs<\/li><li><strong>EN 13501-6<\/strong>\u00a0\u2013 Fire performance of\u00a0electric cables<\/li><\/ul><p>Today, let&#8217;s focus on Part 6 \u2014 the one that matters most to cable manufacturers.<\/p>\n\n<h3 class=\"wp-block-heading\">Why EN 13501-6?<\/h3>\n\n<p>Under the EU Construction Products Regulation (CPR, EN 50575), power, control and communication cables installed permanently in buildings must be classified under EN 13501-6 before they can carry the CE mark. Each cable receives a class from\u00a0Aca\u00a0(highest) down to\u00a0B1ca, B2ca, Cca, Dca, Eca, Fca\u00a0(no performance determined), plus additional classifications for:<\/p><ul><li><strong>Smoke production<\/strong>\u00a0\u2014 s1a, s1b, s2, s3<\/li><li><strong>Flaming droplets<\/strong>\u00a0\u2014 d0, d1, d2<\/li><li><strong>Acidity of combustion gases<\/strong>\u00a0\u2014 a1, a2, a3<\/li><\/ul><p>A full classification looks like this:\u00a0Cca-s1a-d0-a1.<\/p>\n\n<p class=\"wp-block-paragraph\">Here goes your text &#8230; Select any part of your text to access the formatting toolbar.<\/p>\n\n<div style=\"width: 100%; max-width: 100%; overflow-x: auto;\">\n<table style=\"width: 100%; min-width: 1100px; border-collapse: collapse; white-space: nowrap;\">\n<thead>\n<tr>\n<th style=\"border: 1px solid #ddd; padding: 10px; text-align: left;\">Classification<\/th>\n<th style=\"border: 1px solid #ddd; padding: 10px; text-align: left;\">Test Method<\/th>\n<\/tr>\n<\/thead>\n\n<tbody>\n\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 10px;\">Aca<\/td>\n<td style=\"border: 1px solid #ddd; padding: 10px;\">EN ISO 1182 + EN ISO 1716<\/td>\n<\/tr>\n\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 10px;\">B1ca \u2013 Dca<\/td>\n<td style=\"border: 1px solid #ddd; padding: 10px;\">EN 50399 (FIPEC vertical flame spread)<\/td>\n<\/tr>\n\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 10px;\">Eca<\/td>\n<td style=\"border: 1px solid #ddd; padding: 10px;\">EN 60332-1-2<\/td>\n<\/tr>\n\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 10px;\">s1a\/s1b\/s2\/s3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 10px;\">EN 61034-2 (smoke density, 3 m\u00b3 cube)<\/td>\n<\/tr>\n\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 10px;\">d0\/d1\/d2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 10px;\">EN 50399 (droplet observation)<\/td>\n<\/tr>\n\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 10px;\">a1\/a2\/a3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 10px;\">EN 60754-2 (acidity &amp; corrosivity)<\/td>\n<\/tr>\n\n<\/tbody>\n<\/table>\n<\/div>\n\n<h3 class=\"wp-block-heading\">Which tests are required?<\/h3>\n\n<h3 class=\"wp-block-heading\">ZONSKY Equipment for a Complete EN 13501-6 Testing Line<\/h3>\n\n<p>To establish the full class of a cable, a laboratory needs several test systems working together. ZONSKY supplies them all:<\/p><ol><li><strong>EN 50399 Flame Spread Test System<\/strong>\u00a0\u2014 ZY6260 vertical ladder, 20.5\/40 kW premixed propane burner, heat release rate by oxygen consumption<\/li><li><strong>EN 60332-1-2 Apparatus<\/strong>\u00a0\u2014 ZY6014B single vertical cable ignition test for Eca<\/li><li><strong>EN 61034-2 Smoke Density Cube<\/strong>\u00a0\u2014 ZY6166-PC 3 m\u00b3 chamber with laser photometric system for s-classification<\/li><li><strong>EN 60754-1\/-2 Corrosivity Analyzer<\/strong>\u00a0\u2014 ZY6192-ZN pH &amp; conductivity of combustion gases for a-classification<\/li><li><strong>EN ISO 1182 Furnace &amp; EN ISO 1716 Calorimeter<\/strong>\u00a0\u2014 ZY6017D-PC + ZY6234 for Aca and PCS determination<\/li><\/ol><p>One supplier, one consistent test chain \u2014 from flame spread to smoke and acidity.<\/p><p>Planning a CPR cable testing lab or upgrading for EN 50575 compliance? Contact ZONSKY for a full equipment configuration sheet.<\/p>","protected":false},"excerpt":{"rendered":"<p>In our previous post, we covered\u00a0EN 13501-1, the European classification standard for the reaction-to-fire performance of construction products. But EN 13501 is actually a family of standards, each covering a different aspect of fire safety: EN 13501-1\u00a0\u2013 Reaction to fire (products &amp; materials) EN 13501-2 \/ -3\u00a0\u2013 Fire resistance of building elements &amp; service installations [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4001,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4050","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news-center"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"In our previous post, we covered EN 13501-1, the European classification standard for the reaction-to-fire performance of construction products. 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