Regulation Changes: 18th edition amendment 2
Amendment 2 of the 18th Edition has important changes for Electricians, improving electrical safety in the UK.
Published in March 2022, for implementation by September 2022, we have covered the information you need in our hub below. Select the section and find out all you need to know.
Corrigendum (May 2023) to BS 7671:2018+A2:2022
Click below to read the latest update to the Amendment 2 of the Wiring Regulations.
Understanding the changes
Answering your questions
AFDD with ProTools
As of September 2022, the use of AFDDs is mandatory in certain types of installations. Our next generation of single module wide AFDDs all come with advanced ProTools diagnostic software as standard. Discover how you can remain compliant and ease installation with using our AFDDs.
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18th Edition articles
Read about BS 7671:2018+A1:2020
Have some questions?
Check out our FAQ section to answer some questions you may have.
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What's new with 18th Edition Wiring regulations?
The 2nd Amendment of the 18th Edition Wiring Regulations, came into affect 28th March 2022. BS7671:2018 +Amd2:2022. Probably the biggest change to be aware of in Amendment 2, is that the use of Arc Fault Detection Devices (AFDD) have changed from being recommended to a mandatory use in certain types of installations.
With the increase of new technologies being introduced and more widely used, these devices are becoming more vitality important to provide additional protection against fire.
Regulation 421.1.7 now states AFDD conforming to BS EN 62606 shall be provided for single-phase AC final circuits supplying socket-outlets with a rated current not exceeding 32 A in:
- Higher Risk Residential Buildings (HRRB) : Higher Risk Residential Buildings are assumed to be residential buildings over 18 m in height or in excess of six storeys, whichever is met first. Should this building incorporate a business premises on the ground floor for example then this too could fall under this requirement.
- Houses in Multiple Occupation (HMO) : A house in multiple occupation is a property rented out by at least three people who are not from one “Household” but share facilities like a bathroom or kitchen.- Purpose-Built Student Accommodation (PBSA) : PBSA is housing built specifically for students to live in.- Care homes : A care home is a place where personal care and accommodation are provided together.
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When did BS 7671 Amendment 2 come into force?
Bs7671 amendment 2 has been issued 28th March 2022, implemented 27th September 2022
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Are AFDDs mandatory ?
18th edition of the 2nd Amendment of the IET Wiring Regulations, came into affect 28th March 2022. BS7671:2018 +Amd2:2022. One of the key alterations brought about by Amendment 2 is the shift from recommending the use of Arc Fault Detection Devices (AFDD) to making it mandatory in specific types of installations.