Guidance Note 3: Inspection & Testing is a fundamental guidance book
for all those involved with the testing and inspection of electrical
installations. It also contains essential guidance for those studying
for inspection and testing qualifications and has been fully updated to
BS 7671:2018:2022.
BS 7671:2018+A2:2022 incorporates changes from the first amendment,
published in 2020, regarding Electric Vehicle Charging Installations to
provide greater guidance on embracing changing technology within this
sector. Additional changes within the second amendment include
protection against thermal effects and fire caused by electrical
equipment, protection against voltage disturbances and electromagnetic
disturbances, and a new chapter on prosumer's low-voltage electrical
installations covering energy efficiency measures, the interface with
the smart grid, the management of electricity consumption, the
management of renewable sources of electricity, and energy storage.