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Thread: Connecting conduit to flush mount panel

  1. #1

    Connecting conduit to flush mount panel

    Good evening!

    So I need to run some extra circuits in my garage, and I am looking for the least destructive method. I am thinking of running pvc 3/4 conduit with THHN, but I need to figure out how to get into the flush mounted panel without tearing up the sheet rock.

    There is a free knockout on the bottom of the panel, so I am thinking I could punch a small hole in the sheet rock below the panel and then use smurf tube and then use a surface mount J box and then hook up with the conduit.

    Is there a better way?

    Thank you!

  2. #2
    Join Date
    Jul 2007
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    NE OH
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    2,615
    Smurf or Greenfield (metal flexible conduit) would work. If you cut the hole far enough away (like a foot) from the panel you can use the Jbox to cover the hole.

  3. #3
    Join Date
    Jan 2008
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    1.5 hrs north of San Francisco, CA
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    I removed the sheetrock between the stuff above my panel and replaced it with a removable plywood sheet for access to the panel when needed.

  4. #4
    Join Date
    Jul 2007
    Location
    NE OH
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    A variation on Wayne's suggestion that I have also used is to install one of the flush mount access doors/panels they sell for allowing access to plumbing connections.

    Example: https://www.homedepot.com/p/6-in-x-9...4055/100149906

    Allows for future access and can be painted to blend in.

  5. #5
    Join Date
    Mar 2003
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    SE PA - Central Bucks County
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    I would do like Wayne suggests to make "this" job easier as well as provide for efficient changes/additions in the future.
    --

    The most expensive tool is the one you buy "cheaply" and often...

  6. #6
    Join Date
    Sep 2016
    Location
    Modesto, CA, USA
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    Is this conduit going to be surface mounted or in the wall? If you are planing to put it in the wall I think the easiest way is to pull the panelbox to get a big enough hole to drill it from.
    Much easier to learn simple drywall patch methods.

  7. #7
    Join Date
    Mar 2003
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    SE PA - Central Bucks County
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    Pulling an installed (and fully wired) panel box is a tough row to hoe, Bill! But I believe the OP is going to surface mount the new conduit/circuitry, so it's mostly a matter of getting access to the bottom of the installed panel so that cables can be routed between it and the new work in an approved way.
    --

    The most expensive tool is the one you buy "cheaply" and often...

  8. #8
    Join Date
    Sep 2016
    Location
    Modesto, CA, USA
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    I hope he is going surface mounted but I read it several times and I am still not sure. He needs to learn to do drywall and painting. just use some plywood scraps instead of buying a full sheet of drywall.
    Bill D.

  9. #9
    Thanks for all the replies, guys.

    I am indeed surface mounting the conduit and and new boxes, and I am just trying to determine the best way to connect to the flush mount panel.

    I like the idea of plywood access panel. That way I can simply attach the J box to the surface of that and have conduit go from there. I am running a 30A 220 for my DC and also 2 20A 110s for other tools, which will give me a total of 4 110s and 2 220s in the garage. I hope I won't need to run any more circuits!

  10. #10
    Join Date
    Mar 2009
    Location
    central tx
    Posts
    589
    I cut a hole for a deep 4x4 box and put a box extender on the front. You can then either run conduit in the wall between them (I did) - or use romex from the box to the panel. Should be fairly minimal drywall damage if you can pull the romex easily.

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