How To Install A Light Switch In A Finished Wall

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.

How to install a light switch in a finished wall.

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. Place switch in the wall box. Complete the project by mounting the light fixture screwing the switch to the box and installing the cover plate.

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. Then splice the fixture s black lead into the new black wire. Restore power and test the switch.

Cover with a switch plate. Twist and connect wires. Select boxes that meet local codes. Connect the wires as shown in figure a.

Gently bend the wires and push the switch into the wall box. After removing the black wire to the fixture s lead splice it into the new white wire. Mark this wire black. To ensure that frequently used switches last longer purchase a spec rated or commercial device.

Twist a plastic wire cap onto each connection. Tighten the mounting screws to secure the switch to the wall box. Select boxes that meet local codes. Install globes and bulbs.

For a ceiling fan or a heavy light fixture buy a fixture box that attaches to a fan rated brace. When you need to add an outlet or switch in an existing wall you need to use a special electrical box called an old work box an old work electrical box may be metal or plastic and is specially designed to be installed in an existing wall where it has no support other than the wall itself.