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  1. #1
    Join Date
    Oct 2007
    Location
    Lakewood, CO
    Posts
    109
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    Lb into side of NEMA 3R panel

    Asking for opinions on installing an lb into the side of a NEMA 3R panel. Do you need a Myers hub, or would a gasket and short nipple work?

    Thanks
    Experience is another name for my mistakes.

  2. #2
    Join Date
    May 2014
    Location
    Bay Area California
    Posts
    24,761
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    Is this a disconnect? If so, then you need to stay below the lowest electrical, like where the lugs are for the wires that go to the unit. Not much a big deal if this is the case.

    If this is a different type of enclosure, all I've ever seen was a gasket being used. I've also seen a lot of those gaskets over tightened, so they split or get pushed completely out of the way. That's probably the most critical step in the process; tighten, but do not over tighten.
    If you were a real tech, you'd solder a relay on that board and call it good to go.

    I do a triple evac with nitro to remove non condensables.

    I use 56% silver on everything except steel.

    Did you really need the " If you were a real tech " ??

  3. #3
    Join Date
    Oct 2007
    Location
    Lakewood, CO
    Posts
    109
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    Thread Starter
    Thanks BBeerme,

    The enclosure is a secondary panel for my hot tub. It has room for more circuits, so I’m running a 15A circuit for my ham radio plug mold.

    There’s no room in the bottom of the panel, that’s why out the side with an LB.

    Thanks,
    Experience is another name for my mistakes.

  4. #4
    Join Date
    May 2019
    Posts
    11
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    If the panel has KO's in the side, they are usually low enough to use without gaskets.
    Other wise I don't think they would have placed them there.
    Usually weep holes in the bottom of RT panels.

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