{"id":56217,"date":"2020-02-07T13:12:46","date_gmt":"2020-02-07T12:12:46","guid":{"rendered":"https:\/\/www.walraven.com\/en\/?p=56217"},"modified":"2026-04-14T11:21:52","modified_gmt":"2026-04-14T09:21:52","slug":"18th-edition","status":"publish","type":"post","link":"https:\/\/www.walraven.com\/en\/about-walraven\/news\/18th-edition\/","title":{"rendered":"Cable fixing and the 18th Edition IET Wiring Regulations"},"content":{"rendered":"<p>The 18<sup>th<\/sup> Edition of the IET Wiring Regulations (BS 7671) came into effect in January 2019. Here is a summary of what changed and what it means for the fixing of cable and wiring systems.<\/p>\n<h2><strong>What are the requirements of the 18<sup>th<\/sup> Edition for cable fixing? <img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-56218 size-medium\" src=\"https:\/\/www.walraven.com\/wp-content\/uploads\/sites\/11\/2020\/02\/18th-Edition-image-300x293.jpg\" alt=\"18th edition\" width=\"300\" height=\"293\" srcset=\"https:\/\/www.walraven.com\/en\/wp-content\/uploads\/sites\/11\/2020\/02\/18th-Edition-image-300x293.jpg 300w, https:\/\/www.walraven.com\/en\/wp-content\/uploads\/sites\/11\/2020\/02\/18th-Edition-image-60x60.jpg 60w, https:\/\/www.walraven.com\/en\/wp-content\/uploads\/sites\/11\/2020\/02\/18th-Edition-image-312x305.jpg 312w, https:\/\/www.walraven.com\/en\/wp-content\/uploads\/sites\/11\/2020\/02\/18th-Edition-image.jpg 390w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/strong><\/h2>\n<h4>1 \u2013 Locations where additional cable support is required<\/h4>\n<p>In previous regulations, the requirement for <em>additional support<\/em> of wiring systems was stated only to be necessary in \u201cescape routes\u201d. In the 18<sup>th<\/sup> Edition, this terminology was changed to state that additional support is required in \u201caccess or egress routes\u201d. What does this mean? It means that not only escape routes must be well protected, but also any entry routes into the building.<\/p>\n<h4>2 \u2013 What type of clips can be used<\/h4>\n<p>The 18<sup>th<\/sup> Edition also explicitly states that plastic clips cannot be used as the sole or \u201cmain\u201d method of support for cables in entry and exit routes. Metallic fixing must also be used to reduce the risk of cable fixings failing and causing obstruction.<\/p>\n<h4>3 \u2013 Spacing of metal clips<\/h4>\n<p>When fixing cables to exposed horizontal surfaces, the spacing of metal fixings should be approximately every 300mm. For vertical running cables that are exposed, a metal clip every 400mm is recommended. Plastic fixings can be used in addition to the recommended number of metal fixings, but should not be used without them.<\/p>\n<h4>4 \u2013 Fixing of cable bundles<\/h4>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-58729 \" src=\"https:\/\/www.walraven.com\/wp-content\/uploads\/sites\/11\/2020\/02\/Cable-tie-SST-400x300-1-300x225.jpg\" alt=\"\" width=\"235\" height=\"176\" srcset=\"https:\/\/www.walraven.com\/en\/wp-content\/uploads\/sites\/11\/2020\/02\/Cable-tie-SST-400x300-1-300x225.jpg 300w, https:\/\/www.walraven.com\/en\/wp-content\/uploads\/sites\/11\/2020\/02\/Cable-tie-SST-400x300-1.jpg 400w\" sizes=\"auto, (max-width: 235px) 100vw, 235px\" \/>It is recommended that larger cables and cable bundles are fixed within metal cable containment. The use of metal fixings such as <a href=\"https:\/\/www.walraven.com\/en\/products\/walraven-cable-tie-metal\/\">stainless-steel ties<\/a> in conjunction with metal containment ensures maximum compliance with the 18<sup>th<\/sup> Edition.<\/p>\n<h3>Walraven&#8217;s Britclips\u00ae Electrical Fixings<\/h3>\n<p>Walraven\u2019s range of Britclips\u00ae Electrical Fixings are made of spring steel CS70 and are suitable for use in entry and exit routes as long as they are installed in accordance with the <a href=\"https:\/\/www.shop.niceic.com\/18edition-news\">18<sup>th<\/sup> Edition<\/a> guidelines.<\/p>\n<p>For those clips traditionally fitted with plastic saddles and plastic cable ties, there are now options for our most popular cable support clips to be fitted with stainless steel saddles and cable ties, making them suitable for use in access and egress routes. These include: Beam Clip Saddle Combi, Beam Clip Reverse Saddle, Master Clamp and T Bar Angle Bracket.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-58730 size-thumbnail\" src=\"https:\/\/www.walraven.com\/wp-content\/uploads\/sites\/11\/2020\/02\/Master-clamp-SST-saddle-400x300-1-150x150.jpg\" alt=\"\" width=\"150\" height=\"150\" srcset=\"https:\/\/www.walraven.com\/en\/wp-content\/uploads\/sites\/11\/2020\/02\/Master-clamp-SST-saddle-400x300-1-150x150.jpg 150w, https:\/\/www.walraven.com\/en\/wp-content\/uploads\/sites\/11\/2020\/02\/Master-clamp-SST-saddle-400x300-1-60x60.jpg 60w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-58727 size-thumbnail\" src=\"https:\/\/www.walraven.com\/wp-content\/uploads\/sites\/11\/2020\/02\/Beam-clip-reverse-saddle-SST-400x300-1-150x150.jpg\" alt=\"\" width=\"150\" height=\"150\" srcset=\"https:\/\/www.walraven.com\/en\/wp-content\/uploads\/sites\/11\/2020\/02\/Beam-clip-reverse-saddle-SST-400x300-1-150x150.jpg 150w, https:\/\/www.walraven.com\/en\/wp-content\/uploads\/sites\/11\/2020\/02\/Beam-clip-reverse-saddle-SST-400x300-1-60x60.jpg 60w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-58728 size-thumbnail\" src=\"https:\/\/www.walraven.com\/wp-content\/uploads\/sites\/11\/2020\/02\/Beam-clip-saddle-combi-SST-400x300-1-150x150.jpg\" alt=\"\" width=\"150\" height=\"150\" srcset=\"https:\/\/www.walraven.com\/en\/wp-content\/uploads\/sites\/11\/2020\/02\/Beam-clip-saddle-combi-SST-400x300-1-150x150.jpg 150w, https:\/\/www.walraven.com\/en\/wp-content\/uploads\/sites\/11\/2020\/02\/Beam-clip-saddle-combi-SST-400x300-1-60x60.jpg 60w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-58726 size-thumbnail\" src=\"https:\/\/www.walraven.com\/wp-content\/uploads\/sites\/11\/2020\/02\/Angle-ceiling-clip-SST-400x300-1-150x150.jpg\" alt=\"\" width=\"150\" height=\"150\" srcset=\"https:\/\/www.walraven.com\/en\/wp-content\/uploads\/sites\/11\/2020\/02\/Angle-ceiling-clip-SST-400x300-1-150x150.jpg 150w, https:\/\/www.walraven.com\/en\/wp-content\/uploads\/sites\/11\/2020\/02\/Angle-ceiling-clip-SST-400x300-1-60x60.jpg 60w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/p>\n<a href=\"https:\/\/www.walraven.com\/en\/products\/fastenings-for-electrical-installations\/\" class=\"button\">Browse our range of Britclips\u00ae electrical fixings<\/a>\n","protected":false},"excerpt":{"rendered":"<p>The 18th Edition of the IET Wiring Regulations (BS 7671) came into effect in January 2019. Here is a summary of what changed and what it means for the fixing of cable and wiring systems. What are the requirements of the 18th Edition for cable fixing? 1 \u2013 Locations where additional cable support is required [&hellip;]<\/p>\n","protected":false},"author":18,"featured_media":56219,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-56217","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-geen-categorie"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Cable fixing and the 18th Edition IET Wiring Regulations<\/title>\n<meta name=\"description\" content=\"The 18th Edition of the IET Wiring Regulations (BS 7671) came into effect in January 2019. 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