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The installation of wire and/or electrical devices, to allow the transmission of electricity from one point to another.

6 votes
1 answer
7k views

Is it OK to use the two separate earth cables in a mains socket, one for the socket and one ...

I have the wiring diagram below. In the diagram it shows the two earth cables from the ring lines both running to the socket, and then a separate wire running to the mounting box's earth terminal. …
Simon P Stevens's user avatar
6 votes
2 answers
13k views

What is "functional earth"? (In the context of an electrical socket)

I have this wiring diagram included with a UK 3 pin double socket with a USB port. What does "functional earth" mean? …
Simon P Stevens's user avatar