18th Amendment 4 BS 7671:2018+A4:2026 Wiring Regulations
The new 18th Edition 4th Amendment publications will publish in Mid April 2026 and thereafter, the 3rd Amendment will expire on the 15th October 2026. All new titles are now available to pre-order with our market leading discounts and FREE P&P. Titles will ship automatically on publication during between April - July
Plug In To The New BS7671 Amendment 4 of the 18th Edition Wiring Regulations
BS 7671 is the UK’s definitive standard for electrical installations, setting out the requirements for all low voltage systems and providing essential guidance for today’s electrical industry. It supports electricians, designers and inspectors in meeting current regulations while keeping pace with evolving technologies and best practice.
From solar PV and battery storage to Power over Ethernet and medical locations, BS 7671 covers the full scope of modern electrical installation work. More than a safety benchmark, it underpins professional competence and ensures compliance with the latest UK wiring regulations.