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.
The 18th Edition of the IET Wiring Regulations published in July 2018 and came into effect in January 2019.
Changes from the previous edition include requirements concerning Surge Protection Devices, Arc Fault Detection Devices and the installation of electric vehicle charging equipment as well as many other areas.
Requirements for Electrical Installations – BS 7671:2018 (Book) – Wiring Regulations Information
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18th Edition IET Wiring Regulations – Guidance Note Books
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On-Site Guide (BS 7671:2018+A2:2022) (Electrical Regulations) – This publication has been further updated to include two subsequent amendments to the IET Wiring Regulations as BS 7671:2018+A2:2022