IET On-Site Guide - BS 7671:2018+A4:2026 (9th Edition)
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Pre-Order Your Copy Today
The 2026 4th Amendment edition will be shipped to you automatically on publication - expected 15th April 2026.
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.
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.
| ISBN | 9781837240395 |
|---|---|
| Publication Status | Pre-Order |
| Publication Date | 2026-04-15 |
| Edition | 6th Edition (Amendment 4:2026) |
| Format (Paperback, Hardback etc) | Sprial Bound |
| Total Pages | 242 |
| Brand / Publisher | IET |
| Publisher | IET |
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