One screw terminal is for the hot wire that feeds the switch from the power source.
How to wire electric light to wall switch.
Do the same with the second.
Mark this wire black.
After removing the black wire to the fixture s lead splice it into the new white wire.
To connect a wire to a terminal strip off about 1 2 inch of insulation using a wire stripper and twist the end into a clockwise loop with long nose pliers.
Explanation of wiring diagram 1.
The ground screw is for the circuit ground wire connection.
Strip the last one inch of your new black wire and place all three black wires together.
The source neutral wire is spliced to the neutral on the receptacle half of the combo device and to the white cable wire running to the light.
The switch serves to cut the power from reaching the light switch.
Then splice the fixture s black lead into the new black wire.
Two wire cable runs from the combo to the light fixture and the switch output is connected to the black wire running to the fixture hot terminal.
Attach the first wire you unscrew to the same colored screw on the new switch as it was on the old.
At the light it connects to the neutral terminal.
Circuit electrical wiring enters the switch box.
Twist the wire nut onto the three wires to secure them.
The black wire power in source attaches to one of the switch screw terminals.
Featuring wiring diagrams for single pole wall switches commonly used in the home.
Pick a single pole light switch for most applications.
Wiring the new light unscrew the wire nut holding the two black wires together on your existing light.
The white or neutral wires bypass the switch so the one coming from the power source and the one from the light get spliced and capped in the box.
Common applications include ceiling or hallway light switches a cellar or attic light a ceiling fan or chandelier or an outdoor patio light.
The white or neutral wire bypasses the switch and goes straight to your lights.
Connect one wire to the first switch in the box and the second wire to the other switch and connect the black wire from each of the lights to the other terminal on its respective switch.
The switch leg brings power to the fixture when the switch is turned on.
The other terminal is for a second hot wire called a switch leg that runs only between the switch and the light fixture.
Switch wiring shows the power source power in starts at the switch box.