IET On-Site Guide - BS 7671:2018+A4:2026 (9th Edition)

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The On-Site Guide is an essential guide to BS 7671. It incorporates the extensive changes to BS 7671, making this a vital guide for keeping up to date.

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Description

Official BSI Distributor

On-Site Guide (BS 7671:2018+A4:2026), 9th Edition

The updated edition enables the competent installer to deal with installations (up to 100 A, 3-phase) providing essential information in a convenient, easy-to-use format. This publication has been further updated to include all four amendments to the 18th Edition and aligns with BS 7671:2018+A4:2026 The IET Wiring Regulations.

BS 7671:2018+A4:2026 incorporates changes from all four amendments to BS 7671:2018 and the On-Site Guide includes new topics, such as bidirectional and unidirectional protective devices; Stationary Secondary Batteries; amended rational for maximum Zs values for protective devices; guidance on selection of RCDs and guidance on prospective fault current for protective devices.

Product Information
ISBN 9781837240395
Publication Status Current
Publication Date 2026-04-15
Edition 6th Edition
Format (Paperback, Hardback etc) Sprial Bound
Total Pages 242
Brand / Publisher IET
Publisher IET
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