THE SECOND AMENDMENT TO THE 18TH EDITION OF BS7671:2018 HAS NOW LANDED
Amendment 2 to BS7671:2018 (18th edition of the IET Wiring Regulations), introduces a new requirement for Arc Fault Detection Devices (AFDDs), updated requirements for the safety design for buildings and a new chapter on Prosumer's Low Voltage Electrical Installations.
Amendment 2 is now in effect, and the previous version, BS 7671:2018+A1:2020, will be withdrawn on 27th September 2022.
You are now urged to ensure you become familiar with the changes.
SIGNIFICANT CHANGES 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 requirements 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 installations;
a chapter on Prosumer 's Low Voltage Electrical Installations, in a new part, Part 8
The Amendment continues to embrace new technologies and Prosumer's Low Voltage Electrical Installations and is an essential update to provide for the safety of electrical installations in the UK.
Further changes are included throughout all parts of BS 7671, including the incorporation of Amendment 1:2020 to BS 7671:2018 as part of the main document.