Unscrew the wire nut holding the two white wires together.
How to install a light switch in an existing wall.
Remove the cover plate from the existing light switch.
This project guide will walk you through the process of installing the switch including wiring both the switch and the fan.
Strip the last one inch of your new black wire and place all three black wires together.
Shop all lighting now.
Turn the power back on and use a noncontact voltage tester to locate the hot wire.
The switch comes first in the new part of the circuit and new 2 wire cable is run to it from the outlet.
Pull the switch out turn it on and test the terminals with a voltage tester.
If the wall is heavily insulated push conduit through the insulation and then feed wires or cable through the conduit.
From the switch new 2 wire cable is run to the new light location.
Twist the wire nut onto the three wires to secure them.
Unscrew the wire nut holding the two black wires together on your existing light.
And you don t have to remove any drywall except for the box s cutout itself.
Start the light fixture installation project by turning the power off at the main electrical panel unscrewing the switch and pull it out the switch.
Pull the switch from the box and loosen the terminal screws slipping the circuit.
Wiring a new switch and light from an outlet in this diagram power is taken from an existing wall outlet for a new switch and light fixture.
Remove the two 6 32 screws securing the switch in the box.
Adding an electrical box to your existing wall for a switch or outlet is easy when you have the right materials and know a few tricks.