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Turned off lighting circuit to change a ceiling lamp, but main circuit breaker still trips
Anonymous user 23/02/2024 - 3.41 PM
Hello, I was installing a new ceiling lamp and so I turned off the lighting circuit for that room at the circuit board. However, when I touched the neutral and earth wires together the main circuit breaker tripped. Does that mean there is a problem with the wiring?
Are you a tradesperson and able to answer this question?
3 Answers
DEACON ELECTRICAL SERVICES
Rating: 5 out of 5
If you are talking about the RCD tripping, it will trip, if the neutral and earth are touched together, even with the MCB switched off. As an MCB is single pole and an RCD is Double Pole. If you do it next time, just switch or trip the RCD off then both L& N are isolated.
Answered6 August 2021
17
A A electrical
Rating: 5 out of 5
You need a qualified electrician to fit lights as wiring could be wired in different ways.
Answered6 August 2021
0
Anonymous user
It’s illegal to work on electricity unless your competent as you don’t know what has happened then you shouldn’t be working on the electrics. Call an electrician
Answered30 August 2021
0