Welcome to our wiki pages, these will be updated with links to information pages on our site.

What is Basic protection

What is a Bonding conductor

What is a CPC (circuit protective conductor)

What is Earth electrode resistance

What is earth fault current

What is earth fault loop impedance

What is an earthing conductor

What is equipotential bonding

What is an exposed conductive part

What is an extraneous conductive part

What is fault protection

What is functional earth

What is leakage current

What is a live part

What is a PEN conductor

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 barrier ?

What is Class II equipment ?

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

What is Part P

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