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Thread: NM cable (romex). Sleeved thru Sealtight to roof Condensor.

  1. #1
    Join Date
    Apr 2009
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    244

    NM cable (romex). Sleeved thru Sealtight to roof Condensor.

    NM I was told cant be used in sealtight. On exterior condensors. It must enter rear of disconnect. And I cant sleeve 8 feet.

    Where is that code. Is it true.

  2. #2
    Join Date
    Mar 2003
    Location
    New England
    Posts
    12,990
    You cannot install NM cable in a wet locations. Technically, the inside of any outdoor raceway is considered a wet location including flexible conduit. So technically you have to use THWN or equivalent conductors.

    I don't know the exact code article, but someone else will provide it. I know it's a pain even if you have a short sleeve going to a disconnect, but it's still the code. Not saying I'm perfect in this regard though.

  3. #3
    Join Date
    Mar 2010
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    Lake of the Ozarks
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    864
    300.38
    334.12(B)(4)

    #PrudentPrePlannigPreventsPissPoorPerformance

  4. #4
    Join Date
    Feb 2003
    Location
    Illinois
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    23,061
    Quote Originally Posted by luckylerado View Post
    300.38
    334.12(B)(4)
    300.38 never applies to NM.
    300.9 does.
    Don, Illinois
    The code only applies to T&M work....it does not apply to contract work.

  5. #5
    Join Date
    Mar 2010
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    Lake of the Ozarks
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    Quote Originally Posted by don_resqcapt19 View Post
    300.38 never applies to NM.
    300.9 does.
    Over 1000V. Good catch but literally exactly the same language.

    #PrudentPrePlannigPreventsPissPoorPerformance

  6. #6
    Join Date
    Feb 2003
    Location
    Illinois
    Posts
    23,061
    Quote Originally Posted by luckylerado View Post
    Over 1000V. Good catch but literally exactly the same language.
    Not really, I wrote 300.9.
    Don, Illinois
    The code only applies to T&M work....it does not apply to contract work.

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