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    MCB tripping

    Havnt n ir tester no,how does that work? I have disconnected all loads and added one at once and there are no visibly apparent visual faults. Also not fed by rcd/rcbo as he will not pay for one despite my best efforts!!so would that rule out the mA leaky scenario?
  2. D

    MCB tripping

    Hi. A friend has recently started experiencing the 16a mcb feeding outside lights and sockets tripping out. These lights and sockets have been installed for years with no problems.they are switched from an ip rated 3 gang switch(each switch being individually fused with a 2.5a quick blow fuse)...
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