Grounding outlet

Discussion in 'Electrical Forum discussion & Blog' started by scta2007, Oct 26, 2007.

  1. scta2007

    scta2007 New Member

    Oct 26, 2007
    I want to get my bathroom lights and outlets on separate circuits because the outlet is not GFCI nor 20 amp and the lights always dim when my wife uses the outlet. Everything is fed via flex metal conduit and very intertwined with other rooms, and the main panel is full. BUT there is a sub panel directly below the bathroom and the sub has a grounding conductor leading all the way back to the main.

    Can I run a NM 12-2 from the sub to the outlet, and separate it from the other wires, but keep it in the same metal junction box? Or does this pose a problem having it grounded the main via the metal conduit while at the same time grounding it to the sub panel via the NM wiring?
  2. 480sparky

    480sparky In the Trades

    Oct 8, 2007
    Electrical Contractor
    Yes. Personally, though, I'd leave the lights on the old circuit if it were up to me.
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  4. Alectrician

    Alectrician DIY Senior Member

    Jun 15, 2007
    Stay out of the existing box if you can.

    Run the new circuit to a new outlet in a new location if possible. Trying to stuff a GFCI into an existing box can be tricky. Use a new plastic box screwed to a stud.

    If you DO go to the existing box, keep the lighting circuit as is.
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