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How to Fit Bathroom Lighting Fixtures Over A Mirror

By Karin Mangan

When you purchase new bathroom lighting fixtures, the size and design of them might not fit as well over your mirror as the previous fixtures did. However, the following steps will help you fit those new bathroom lighting fixtures into the proper place:

  1. Power off the electric supply to the bathroom. You may have to look for the correct switch if the switches in the breaker box are unlabeled.
  2. Remove the screw covers located on each side of the old light fixture. Pull the light fixture toward you to expose the wiring.
  3. Untwist the caps on the white neutral wires and the black hot wires. You will also see a copper wire connected to a green screw or directly to a copper wire that is coming out of the light; disconnect this wire. Take the old anchor plate off the wall.
  4. Center the new anchor plate above your mirror and hold it steady. On the wall, mark the points for the screw holes. Remove the plate and drill pilot holes where you made those marks. Insert an anchor screw into each hole, and drive the anchors into the wall.
  5. Hold up the front of the new light fixture. Connect the black hot wire, located on the backside of the light, to the black hot wire that is coming out from the electrical box. Do the same for the white neutral wires. Connect the fixture's copper wire to the green ground screw, or to the original copper wire that is coming out of the electrical box.
  6. Slide the fixture over the screws and use the screw covers to secure the light into place.
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