Amendment 2 of the 18th Edition IET Wiring Regulations

On 24 January 2022 the Institution of Engineering and Technology (IET) announced the release of Amendment 2 (BS 7671:2018+A2:2022) of the wiring regulations which will come into effect on 28 March 2022.


The Amendment 2 of the 18th edition, originally launched in 2018, encapsulates changes from Amendment 1 as well as additions from the Draft for Public Comment in 2020.


The 18th Edition so far..


The IET Wiring Regulations, the essential publication for all professionals in the electrotechnical and engineering services sector, underwent an overhaul when the 18th Edition (BS 7671:2018) came into full effect in 2019.



Amendment 1, which concerns electric vehicle charge points, came into effect on 1 February 2020. Now, the British Standards Institute (BSI) is seeking views on a new set of changes to the 18th Edition – Amendment 2 (AMD 2) – which could represent the biggest set of revisions to the Regulations yet.




The IET have announced that the significant changes for BS 7671:2018+A2:2022 will include:

  • A new requirement for Arc Fault Detection Devices (AFDDs) in some AC final circuits for installations in some types of higher risk residential buildings.

  • The requirement for the fire safety design of buildings to be documented where specific conditions of external influence exist, such as protected escape routes and locations with risk of fire.

  • Method for determining the requirement to provide overvoltage protection.

  • Changes to identification, labels and notices, such as for consumer units, affecting how safety information is provided to the user of the electrical installation.

  • A Chapter on Prosumer’s Low Voltage Electrical Installations, in a new part, Part 8.

Our engineers will always We will continue to keep you up to date with changes.

remain compliant with the

latest regulations.



Would you like to know more about how Protest ES Ltd can help protect your business, staff, and visitors, thus keeping you safe and legally compliant with the latest regulations?



Please do not hesitate to contact us, by calling this number: 01604 696113 today. Or contact us via email: enquiries@protestesltd.co.uk