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Thread: Plenum connection?

  1. #11
    Join Date
    Jun 2003
    Location
    Hawthorne, New York NEC: 2014
    Posts
    3,111
    I don't see why MC would be an issue. As to what about being disconnected, I assume they would normally be connected and only disconnected for maintenance of the shades. (Though I think there should be a better way to do that without disconnecting building wiring.)

    -Hal

  2. #12
    Join Date
    Jun 2006
    Location
    Ohio
    Posts
    21,276
    Quote Originally Posted by hbiss View Post
    I don't see why MC would be an issue. As to what about being disconnected, I assume they would normally be connected and only disconnected for maintenance of the shades. (Though I think there should be a better way to do that without disconnecting building wiring.)

    -Hal
    Not the MC that I question, or the metal connectors when connected. It is exposure of the non-metallic parts of the connector when disconnected. I would think exposed parts have to meet the same requirements as a nonmetallic enclosure. See IN in 300.22(C)(3).

    I understand one would think the connectors would only be disconnected for maintenance. So? What if disconnected for other reasons? What if a fire breaks out while performing said maintenance? What ifs are all we get before it actually happens.
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