Industry jargon

BS 7671 Section 722

BS 7671 Section 722 contains the UK wiring requirements that apply specifically to supplies for electric vehicle charging installations. It sits within BS 7671, the national standard for low-voltage electrical installations used in domestic, commercial and industrial settings. Section 722 covers EV charging installation matters such as protective measures, RCD protection and earthing arrangements. It is used alongside the general requirements elsewhere in BS 7671 and relevant EVSE product standards. BS 7671:2018+A4:2026 was published on 15 April 2026. The previous Amendment 3 version remains valid during the transition period until 15 October 2026, after which Amendment 4 must be used.