Changing Bath Exhaust Fan

Discussion in 'Electrical Forum discussion & Blog' started by gpdewitt, Jul 13, 2009.

  1. gpdewitt

    gpdewitt New Member

    Messages:
    21
    Location:
    Burbank, CA
    I live in Burbank, CA where code requires metal sheathing on all wiring inside walls. I'm trying to replace a fan, but the place where the wires come into the box are on the opposite side from the original, so the existing flex conduit wiring is too short to reach. I understand code does not allow for junction boxes to be buried in the wall. Can I add a junction box accessible by removing the fan, so as to extend the wires? How do you pros handle this? Here's a sketch if it helps.

    Attached Files:

  2. Chris75

    Chris75 Electrician

    Messages:
    608
    Location:
    Litchfield, CT
    Your basically old working the fan right? if so, then I have no problems burying a j-box behind the new fan, is it a real pain in the ass for the next guy, sure, but does it meet code, yes it does. :)
  3. gpdewitt

    gpdewitt New Member

    Messages:
    21
    Location:
    Burbank, CA
    Thanks for the reply, Chris. Yeah, it's either add a box or start ripping out drywall and flex back to the last j-box, waaaay too much work just to change out a fan.
  4. Alectrician

    Alectrician DIY Senior Member

    Messages:
    689
    If it is flex, you can extend it with a coupling and pull new wires.

    If it's MC, you need a JB.

    If there is attic space with a scuttle somewhere, it is still considered accesible.
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