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Welcome to our wiki pages, these will be updated with links to information pages on our site.
What is a CPC (circuit protective conductor)
What is Earth electrode resistance
What is earth fault loop impedance
What is an exposed conductive part
What is an extraneous conductive part
What is PME (protective multiple earthing)
What is a protective conductor
What is a Residual current device (RCD)
What are simultaneously accessible parts
When we talk about protection what does arms reach mean ?
What is a fuse and how does it work ?
British Standards – A full list of all British Standards
BS 7671 – 18th Edition – Significant Changes
BS 7671 – Requirements for Electrical Installations. IET Wiring Regulations
Amendment No. 3 to BS 7671 – Regulation 421.1.201
Inspection And Testing Of Earth Electrodes
18th Edition IET Wiring Regulations Guidance Note Books
Top Choice
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