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Thread: Grounding question

  1. #1
    Join Date
    Aug 2018

    Grounding question

    I am running 24VDC out to a small enclosure, seperate from my main enclosure, which powers some Allen Bradley Point I/O modules.

    It has come to the attention of my superior that there is no grounding bar present in the current design, and I am wondering if this is bad practice or if one should be included in the design.

  2. #2
    Join Date
    Feb 2003
    Bremerton, Washington
    Not required to be grounded by NEC< but check the AB 1734 point I/O instructions to see if they recommend an EGC. And AB has a very comprehensive document on instrumentation grounding/bonding that will be referenced in the above instructions.
    An EGC is one wire and din rail grounding terminal. Pull a green/yellow wire and be done with it.
    Moderator-Washington State
    Ancora Imparo

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