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Grounding cables not under test

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    Grounding cables not under test

    When testing A-phase of a three-phase cable, B and C Phases are grounded because:

    Any ideas, all i know is that "It may induce a high voltage into them" is not the right answer

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  3. gchoquette is offline Junior Member Pro Subscriber
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    Quote Originally Posted by epenland View Post
    Any ideas, all i know is that "It may induce a high voltage into them" is not the right answer
    By grounding the other two, you will immediately find out if there is a phase-phase short. Specifically, it will allow you to see if phase A is shorted to phase B or phase C.
    Last edited by gchoquette; February 11, 2021 at 06:30 PM. Reason: Clarification

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