IET announces release of 18th Edition Amendment 2

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 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.

This article originally appeared on the ECA website. It was published on 25 January 2022.

--ECA

[edit] Related articles on Designing Buildings

• 18th Edition Wiring Regulations.
• Amendment 3 BS 7671 Requirements for Electrical Installations IET Wiring Regulations.
• Articles by the Electrical Contractors' Association (ECA).
• Electrical energy.
• Electrical safety.
• Electrical wiring.
• Electrotechnical Assessment Specification guidance for installers.
• Institution of Engineering and Technology.