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.
Featured articles and news
We're expanding our collaborative mission by launching DB Intelligence, an exclusive market research advisory panel. Built environment professionals can now get paid to share their expertise on industry trends, products and services.
Panel members receive direct financial incentives for participating in research projects like short surveys, 1-2-1 interviews and focus groups. Register today to shape the future of the construction sector.
Planning condition discharge in England and Wales
A brief exoplanation from a building compliance expert, with further links.
Overheating guidance and tools for building designers
Guidance for dealing with element of building fabric control that have increasing importance.
Shading for housing, a design guide
From the Good Homes Alliance and British Blind and Shutter Association.
UK Standard Skills Classification (SSC)
A shared framework for describing skills needs.
Social media ban consultation comes to close
CIOB urges UK Government to consider social media’s role in careers guidance in ban debate.
The latest of eight Skills England apprenticeship units
The addition of battery manufacturing welcomed by ECA with a warning about the risks of fast-tracked apprenticeship units.
Building Control Independent Panel final report
A precis of a key report led by Dame Hackitt with full recommendations and link to the government response.
Building Safety recap April, 2026
A short and longer run-through of the month, with links to further information and sources.
CIAT May 2026 briefing.
From medieval scribes to modern word art.
ECA welcomes crackdown on late payment and push for clean energy, whilst CIOB seek fixed cladding removal timeframes.
Cyber Security in the Built Environment
Protecting projects, data, and digital assets: A CIOB Academy TIS.
Managing competence in the built environment
ITFG publishes new industry guide on how to meet the ICC principles.
The UK's campaign to reduce noise pollution: Mythbusting, articles and topic guides.