List Of How To Install A New Light Switch And Fixture References. If you are needing to brighten up an area of a room then adding a new fixture is the. These instructions assume that you’re replacing an existing fixture and that the junction box with the necessary wiring is already in place.

Web this video explains how to add a electrical switch to an existing light fixture in your home. Adding a light and switch takes some planning. Connect the black circuit wires from the existing fixture, circuit, and the new fixture together with a wire nut.