The BSI and IET have updated the Wiring Regulations, BS 7671, with a new chapter on battery storage. Domestic solar is often supported by battery storage. The new chapter covers stationary secondary ...
The IET Wiring Regulations - Stay compliant with BS 7671. Access updates, model forms, technical support, and digital subscriptions from the IET.
The IET Wiring Regulations is currently in its 18th Edition. BS 7671:2018+A4:2026, will be published in April 2026 and will come into effect on 15 April 2026. From this date, all new and amended electrical installations are to conform to the requirements of BS 7671:2018+A4:2026.
On-Site Guide (BS 7671:2018+A4:2026), 9th Edition 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. Buy your copy today!
BS 7671 (the IET Wiring Regulations) is the national standard for electrical installations in the UK. To remain compliant, you must ensure you are using the current edition and any applicable amendments. This page explains what you need to do to ensure you’re up to date.
BS 7671:2018+A4:2026, (the Orange Book), is now available. This page highlights publications available now, as well as those launching soon, to help you stay up to date and apply Amendment 4 with confidence.
Start of main content BS 7671 - 18th Edition Wiring Regulations Ensure you are up to date with BS 7671 Thank you form submission - BS 7671:2018 Amendment 3:2024
An installation which was designed to an earlier version of BS 7671 or the IEE Wiring Regulations and which does not fully comply with the current version is not necessarily unsafe for continued use, or require upgrading.