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Thread: PVC to rigid

  1. #1
    Join Date
    Jun 2009
    Posts
    2

    Question PVC to rigid

    When going from pvc underground to rigid risers into panels on 480 volt system are the 2 lock nuts good enough to ensure the bonding of rigid pipe? KO is clean not eccen. or cocenn. I thought a bond bushing would be required because pipe run is not electrically continous from one end to other.

  2. #2
    Join Date
    Mar 2004
    Location
    Arizona
    Posts
    3,913
    Quote Originally Posted by aarong View Post
    When going from pvc underground to rigid risers into panels on 480 volt system are the 2 lock nuts good enough to ensure the bonding of rigid pipe? KO is clean not eccen. or cocenn. I thought a bond bushing would be required because pipe run is not electrically continous from one end to other.
    Check out 250.97 ex#3 you are good.

    Welcome to the Forum !!
    Frank Arizona,USA

  3. #3
    Join Date
    Jun 2009
    Posts
    2
    looks like 2 lock nuts are good enough even when pipe run is not electrically continous. Oops.

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