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  • #10805

    How  to identify short circuit take place at the end of outgoing power of circuit breaker in a panel when load is connected.

    olivier bouilliez

    Could you please add details to your question ?

    I presume that you are speaking of LV panels .

    If the breaker trips, and there is no other switching device downstream, then anyway the load is unpowered . So the best way is first visual inspection and then disconnect the circuit as downstream as possible and measure the circuit impedance . If OK, repeat upstream until you locate the S C area .

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