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Recent content by ChuckArthur

  1. ChuckArthur

    Delta Secondary Ground Fault Indication Req'd?

    Check out NEC Article 250.36 item (3) which does require some type of ground detection for High Resistance Grounded (HRG) systems. I have always figured that this would apply to ungrounded systems as well since a HRG system "looks like" an ungrounded system except that it can eliminate the...

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