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Thread: Equipment grounding

  1. #11
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    crosspost.....

    so , would installing a 'snap around' grounding bushing on said emt, and making it to a Gbar then be complaint to land any ecg's introduced?

    ~RJ~

  2. #12
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    Quote Originally Posted by romex jockey View Post
    crosspost.....

    so , would installing a 'snap around' grounding bushing on said emt, and making it to a Gbar then be complaint to land any ecg's introduced?

    ~RJ~
    The panel enclosure is already grounded by the metallic raceway so unless it over 250 volts to ground and there are concentric or eccentric KO's no bonding jumper is necessary. Just screw the ground bar to the enclosure.
    Rob

    Moderator

    All responses based on the 2014 NEC unless otherwise noted

  3. #13
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    Quote Originally Posted by infinity View Post
    ...Just screw the ground bar to the enclosure.
    This.

  4. #14
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    Quote Originally Posted by Little Bill View Post
    Not a problem if the panel is the main service & the neutral is bonded to the can.
    True. It was the downstream panels I was trying to refer to.
    "Electricity is really just organized lightning." George Carlin


    Derek

  5. #15
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    240 volt 3phase panel

    Thank you all for your reply. The system is metallic conduit
    And not a service panel . And noticed that the nutreal bar is
    Bonded to the panel ,which if I understand artical 200,250 is a no,no .

  6. #16
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    Quote Originally Posted by Jay2685 View Post
    Thank you all for your reply. The system is metallic conduit
    And not a service panel . And noticed that the nutreal bar is
    Bonded to the panel ,which if I understand artical 200,250 is a no,no .
    Yeah, that is a no no.

    250.24 something. Too lazy to look up exact section.
    "Electricity is really just organized lightning." George Carlin


    Derek

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