Step 1: Turn off the power
Before you start, make sure to turn off the power supply to the area where you'll be working. This can usually be done at the mains.
Step 2 Remove Socket Faceplate from Wall
Unscrew the face of the electrical socket and pull it out from the wall carefully. This will give you sufficient access to operate on the back of the existing faceplate.
Step 3 Remove Wiring from Faceplate
Take a look at the back of the plate and note how the wiring appears. You should see one of two colour codes of wiring depending on when the house was last wired: blue or black is neutral, brown or red is live, and green/yellow is earth. It may be a good idea to take a photo at this point. This will help you recall which terminal each wire should be connected to on the new outlet at a later stage. Loosen and remove the screws connecting each cable to the existing faceplate. If heat damage to any of the cables is obvious, cut the damaged end of the wire off and then strip back a little insulation.
Step 4 Affix Wiring to New Faceplate
Retrieve the new socket faceplate and connect each of the coloured wires to it in the same positions they were placed on the previous one. Using the previous photo you took as a guide would be helpful at this stage. Ensure you connect the wiring as follows: blue or black to the N terminal, brown or red to L, and green/yellow to E.
Step 5 Insert Faceplate into Wall
Fir the new face into place in the wall while taking extreme care not to trap the wires between the plate and wall.
Step 6 Turn On Power
Turn the mains power back on and test the socket with a voltage checker to see if it is working correctly.
It's important to remember that electrical work can be dangerous and should only be performed by someone with the necessary skills and knowledge. If you're unsure about any part of the process, it's best to consult a professional electrician.
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