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Thread: 400 AMP Service Entrance Ground Wire

  1. #1
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    400 AMP Service Entrance Ground Wire

    We are upgrading a 200 AMP service to a 400 AMP. My understanding from the code is this would require a #4 bare copper wire for grounding if the new service entrance disconnect. Just looking for confirmation.



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  2. #2
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    Rob

    Moderator

    All responses based on the 2014 NEC unless otherwise noted

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