Never needed to use one before and it came as part of a set so that's why I didn't know how to use it.
Didn't need it anyway I figured out what they had done by finding which cable was from the socket and previous light and the one going to the next. Quite simple all fixed working perfectly and...
Morning all,
I have recently had a bedroom plastered top to bottom and the plaster decided to take down the light a tape the wires together (for what ever reason). Now I don't know which wire is which how can I determine what wire is live and neutral?
I know the earth wire and my loop wires...