+18 Wiring Can Lights In Existing Ceiling Ideas. Web wiring pot lights onto an existing single circuit is the best way to give an old room a brand new glow. Cut holes for can lights.

How do i run the wires from the receptacle up to the ceiling and then to the lights?” —yin choi, arlington, va. Web if you’re fishing wires into an existing ceiling, purchase remodeling housings (photo 9). Make sure to buy ic (insulation contact) rated housings if your recessed lights will be covered with insulation.