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  1. splashthepot

    Nuisance tripping MCC main breaker

    Hi all, have a MCC tripping the 800a main feeding it,{three times this week}, after isolating the feeders and branch circuits this weekend, megohmeter readings were less than what Im used to seeing. The 500mcm cables all megged fine to ground, 28megohms and better, the MCC however was much...

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