Part 6 Inspection and testing

Part 6 has been completely restructured, including the regulation numbering to align with the CENELEC standard.

Chapters 61, 62 and 63 have been deleted and the content of these chapters now form two new Chapters 64 and 65.

Requirements for Electrical Installations, IET Wiring Regulations, Eighteenth Edition, BS 7671:2018+A4:2026 (Electrical Regulations)

On-Site Guide (BS 7671:2018+A4:2026) (Electrical Regulations)