iet wiring regulations 18th edition book

It applies to all types of cable that could fall in the event of a fire. Regulation 521.10.202 now requires adequate support of cables against their premature collapse in the event of a fire. The regulations apply to all types of cable installation and not just escape routes such as fire exits. What type of cable supports do they allow? Electricians and electrical contractors cannot rely exclusively on plastic clips, saddles or ties. This doens’t means banning plastic fixings, but you must supplement them with metal ones. However, IET clarifies: “Suitably spaced steel or copper clips or ties are examples that will meet the requirements of this regulations.”

The 18th Edition states that you can’t use plastic fixings as the sole use of holding up cables. Knowing how to improve cable management, reduces risks for workers on-site as well as emergency service crews. The risk of fire on construction sites should always be a consideration when managing cables. The new wiring regulations aim to avoid similar incidents. Also the firefighters that lost their lives in 2005 at Harrow Court Tower Block, where one of them got entangled in fallen electrical cables. The change follows the death of two firefighters at Shirley Towers in 2010, who became entangled in fallen cables. The aim of the 18th Edition Wiring Regulations regarding the fixing of hanging cables is to reduce the risk posed by suspended cables in the event of a fire.

This article explains what the new 18th Edition wiring regulations mean in terms of fixing and suspending electrical cables. The aim is to improve Health & Safety using the adequate placement of metal clips to support hanging cables. Installing, hanging or suspending electrical cabling will need to comply with the new wiring regulations. The new wiring regulations include updates designed to reduce the risk of accidents from the placement of hanging cables. That means construction site managers, health and safety managers, electricians and electrical contractors need to be fully compliant and up-to-date with the new BS7671 wiring regulations – especially in relation to how cables are supported in the event of a fire. The 18th Edition of the IET Wiring Regulations ( BS7671) came into force on January 1, 2019.

You can get yourself up to date on the 18th Edition Wiring Regulations changes here: 18th Edition wiring regulations (BS7671) If you are installing ANY type of cable on a project, whether it’s permanent or temporary, the new IET Wiring Regulations apply to you.

Iet wiring regulations 18th edition book