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Distribution and use of electricity throughout the home. Electrical standards vary greatly worldwide, so you need to provide your location in your question or profile to ensure you get answers that are relevant to you. Posting photographs of wiring junctions or drawing a wiring diagram and posting it is also highly recommended.

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'm fitting a replacement electrical socket. (UK 3 pin double socket with a USB port). Just the front plate, the mounting box that is already there is staying. I have the wiring diagram below. …
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? On the physical socket it appears to be bonded directly to the regular earth termi …
Simon P Stevens's user avatar