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old work

  1. Electrical
    Newb question here. I picked up a plastic old work box to install a new wall light on existing sheetrock. When I went to install the light--which you do by screwing a round metal mounting plate into the box and then screwing the light into the mounting plate--I found that the old work box...
  2. Electrical
    At what point does old work become new work? Specifically, I have a lath and plaster wall that I have removed the plaster from (so I guess it could just be said that I have a lath wall). I am going to be leaving the lath up because inside the wall there is a metal ventilation pipe that is...