+18 Wiring Wall Lights To Ceiling Lights References. Cut off the power supply to the relevant circuit from the consumer unit. Most wall sconces mount with a center stud so you can level the fixture even if the box isn't level.

Use a voltage tester to ensure power is off at the outlet. This is useful to add a light fixture in your garage, shop, basement, or attic. Web secure the wire to the joists with electric staples.