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Is my RCD tripping due to a faulty socket?

  • 31-08-2021 12:29pm
    Registered Users Posts: 185 ✭✭ 98-00

    I have several socket in the garage. When I try to use a drill on one of the sockets, the RCD trips but the drill works fine on other sockets that go through the same RCD.

    This is most likely an issue with the socket or the wiring to the socket, correct?

    The garage in question is not mine and I didn't have to look into it yesterday.


  • Registered Users Posts: 2,155 ✭✭✭ Antenna

    what about anything else plugged in to the same socket?? What happens?

    Is there dirt/grime on the outside of the socket? if there is and perhaps the combination of an old plug on the drill (without sleeves on the upper parts of the L and N pins) maybe it could cause this?

    Or debris somehow building up inside at the back of the socket , also check connections in the socket are tight.


    I'm assuming this is a modern drill, not an old one with a metal frame, which many would say should not be used at all anymore for safety reasons.

  • Registered Users Posts: 5,298 ✭✭✭ DublinDilbert

    Check the Earth's on the 'working' sockets.

    The drill might have an earth leakage and the socket tripping is working fine, but the earth is broken after this socket.

  • Registered Users Posts: 1,716 ✭✭✭ Andrea B.

    The fact that drill works fine on other sockets on same RCD circuit might well indicate that something is happening with action of drill plug pins engaging with socket, hence the socket.

    Does it trip solely from action of plugging in drill or only when you energise it?

    How do other appliances effect the RCD when plugged in to same socket?

  • Registered Users Posts: 142 ✭✭ Bruthal.

    Also could be E and N wrong way around on the problem socket. Other items work in it?

  • Registered Users Posts: 185 ✭✭ 98-00

    I'll have to have a look at these things the next time I'm down there. Thanks for the tips.

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  • Registered Users Posts: 142 ✭✭ Bruthal.

    First thing is plug something else into the problem socket anyway.