BS 7671 (IET Wiring Regulations) sets the standards for electrical installation in the UK and many other countries. The IET co-publishes BS 7671 with the British Standards Institution (BSI) and is the authority on electrical installation. The new 18th Edition IET Wiring Regulations (BS7671:2018) was published in July 2018 and all new electrical installations need to comply with it from 1st January 2019. IET also published a new 18th Edition book (Blue) in July 2018 and in December 2018 have further published a corrigendum to BS7671:2018 highlighting eleven corrections in this book.
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