18th edition

The 18th Edition is live

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The 18th Edition of the Wiring Regulations, also known as BS 7671, came into full effect on 1st January 2019.

The new publication is essential for all electrotechnical designers and installers.

Changes, which were first introduced in July 2018, vary from simple rewordings to some complete Regulation overhauls.

BS 7671 is not retrospective – installations designed after 31st December 2018 are to comply with BS 7671:2018.

ECA recommends installations are kept up to date by carrying out regular maintenance inspections alongside periodic testing of electrical systems, to highlight any potential failings and areas of improvement.

ECA Senior Technical Engineer Gary Parker said: “The way we design, install and use installations is rapidly evolving with new technologies, shifts in end-user behaviour, and lessons learned from previous editions of the book.

“The 18th Edition ensures that UK technicians stay ahead of the curve and continue to design, install and maintain electrical installations to a world-class standard.”

Some of the key changes to be aware of in the 18th Edition include:

To highlight the key changes in the 18th Edition, ECA held 15 free member-only #Project18 Roadshows across England, Wales, Northern Ireland and Isle of Man.

Members who attended received a free copy of the new Wiring Regulations book from ECA. A series of free tools and guidance is also available to members including an SPD calculatorbitesize videostechnical guides, discounted training, and free editable certificates.

More information on other changes within the 18th Edition, training and other industry updates can be found at

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