Each edition of the regulations is designed to improve safety levels in electrical installations and accommodate new technologies and equipment specifications from emerging trends. For example, EV charging, Type A RCDs, Prosumers installations etc.

Highlights from Amendment 2 which come into force 28th September 2022 include: - Mandatory use of Arc Fault Detection Devices for socket outlet circuits in certain residential premises - Transient over-voltage protection must be fitted in all installations, exceptions may be permitted where the owner opts out and accepts all consequences and losses - Extended use of RCBOs in residential premises to avoid unwanted tripping - A new chapter for Prosumers (those who produce their own electricity and consume from the grid) - Updates to Appendix 6 and Chapter 64 for certification and reporting

From 28th September 2022 designers, specifiers and installers must comply with Amendment 2. Installations can no longer be designed to previous versions of the wiring regulations.