How To Install A Light Switch In A Finished Wall

Install the wall plate.

How to install a light switch in a finished wall. If the drywall or plaster is damaged cut a larger hole and install a box that attaches directly to a stud or joist. To wire the ceiling fixture to the new wall switch first connect the copper grounding wire to the fixture. Complete the project by mounting the light fixture screwing the switch to the box and installing the cover plate. Then splice the fixture s black lead into the new black wire.

Cover with a switch plate. Twist a plastic wire cap onto each connection. Mark this wire black. Install a piece of the 12 3 with ground romex between the original switch location laying it in the notches you made in the studs running it up through wall to the second switches location.

White to white black to black and copper to copper. Tighten the mounting screws to secure the switch to the wall box. Restore power and test the switch. After removing the black wire to the fixture s lead splice it into the new white wire.

Install globes and bulbs. Connect the wires as shown in figure a. Gently bend the wires and push the switch into the wall box. Fold the wires into the junction box then place the fixture over the studs or nipple then attach with the cover plate per the manufacturer s instructions.

Select boxes that meet local codes. Connect the white neutral wires with a wire connector. Connect the hot wire to the side of the double switch that has the jumper tab between the terminals photo 7. Select boxes that meet local codes.

For a ceiling fan or a heavy light fixture buy a fixture box that attaches to a fan rated brace. To ensure that frequently used switches last longer purchase a spec rated or commercial device.