Are you using the ‘Brown Book’ edition of the IET Wiring Regulations?
Every day we see more and more new and emerging technologies in our industry and we need to keep abreast of these changes.
To keep you and your customers safe and to keep on top of recent changes, make sure you have the very latest “Orange Book” edition of the IET Wiring Regulations – BS 7671:2018 Amendment 4:2026.
The Brown Book edition will remain valid until 15 October 2026.
BS 7671 books and guidance
Buy your copies of the book and expert guidance publications, also available as digital subscription packages from the IET Bookshop today, or from of our authorised resellers below: