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Issue with sockets and main RCB

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  • 31-01-2021 10:54am
    #1
    whitelightrider
    Registered Users Posts: 3,099 ✭✭✭


    Hi folks,

    About a week ago I noticed when I got home that the power had tripped in the house. Main RCB kept tripping unless I turned off the trip switch for the sockets upstairs on one half of the house.

    Any idea why the sockets would cause the main RCB to trip? If I flip on the switch on now, the main RCB goes. Nothing is plugged into the sockets.


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    #2
    Malcomex
    Closed Accounts Posts: 294 ✭✭Malcomex


    Its usually something that's connected or plugged in ,in that scenario


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    #3
    whitelightrider
    Registered Users Posts: 3,099 ✭✭✭whitelightrider


    Malcomex wrote: »
    Its usually something that's connected or plugged in ,in that scenario

    It’s weird because I’ve unplugged everything. And it’s only on 1 half of the upstairs.


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    #4
    listermint
    Registered Users Posts: 33,640 ✭✭✭✭listermint


    whitelightrider wrote: »
    It’s weird because I’ve unplugged everything. And it’s only on 1 half of the upstairs.

    Could have some spur off the sockets. Electric heater, towel rack, fan,. Fried rat..


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    #5
    whitelightrider
    Registered Users Posts: 3,099 ✭✭✭whitelightrider


    listermint wrote: »
    Could have some spur off the sockets. Electric heater, towel rack, fan,. Fried rat..

    Or an external security light? Would that cause it?


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    #6
    eireyiddo
    Registered Users Posts: 255 ✭✭eireyiddo


    Bad connection at a socket over time maybe arcing and now has damaged socket on the circuit or a furry friend had a gobble of the cable. I'd start at getting sparkie out. He'll find it quick enough if u no where your losing power. Part i don't understand is u say only half is effected, now with RCD on is half not working? Or is it tripping the MCB that supplies half upstairs??


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    #7
    eireyiddo
    Registered Users Posts: 255 ✭✭eireyiddo


    whitelightrider wrote: »
    Or an external security light? Would that cause it?

    Yes cos it shouldn't be wired off a socket


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    #8
    Malcomex
    Closed Accounts Posts: 294 ✭✭Malcomex


    Ya check all plugs physically removed and switches off

    Any outside wiring could be a cause too as said


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    #9
    whitelightrider
    Registered Users Posts: 3,099 ✭✭✭whitelightrider


    I’ll take a look at the sockets and see if there’s anything obvious when I take them off. Otherwise it’s onto the pros :)


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    #10
    Malcomex
    Closed Accounts Posts: 294 ✭✭Malcomex


    whitelightrider wrote: »
    I’ll take a look at the sockets and see if there’s anything obvious when I take them off. Otherwise it’s onto the pros :)

    Next step is test the circuit and locate the fault if there is one

    Don't loosen off all the sockets

    You start by disconnecting one halfway and see which side the fault is, separating 2 browns might be enough. If you're competent


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    #11
    meercat
    Registered Users Posts: 4,729 ✭✭✭meercat


    Check that your immersion is switched off.


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