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    RCD VR80 instantly trips with no MCB's on

    Thanks for tips on taping up neutrals and disconnecting the associated lives which I have done just in case. Am going around double checking nothing else running of the downstairs sockets. The pond pump must come from somewhere down there so am trying to locate that and checking for rotten /...
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    RCD VR80 instantly trips with no MCB's on

    I tested the RCD and it was not live when the master switch was off so I checked everything was tight and then proceeded to remove the neutrals one by one from the associated neutral bar - the one on the left. When I got to the third one, without the neutrals connected from the circuit the...
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    RCD VR80 instantly trips with no MCB's on

    I have a multi meter. I'm pretty sure the RCD is not live when the main switch if off, because if I turn the whole main switch down (off) then the RCD switch will reset back to on. However as soon as current is applied by turning the master switch back on the RCD instantly trips. There is...
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    RCD VR80 instantly trips with no MCB's on

    Hi, Yesterday the electrics in half the house went off - and basically the VR80 RCD which protects 5 circuits on the left side of my CU won't reset - even with all the associated MCB's switch off. I have another VR63 RCD on the right hand side protecting a different set of MCB's that is fine...
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