When installing a switchoutlet combo unit youll want to know the difference between the two sets of wires coming into the light switch box. Steps for replacing a light switch.
Electrical Basics Wiring A Basic Single Pole Light Switch
How to install a light switch with 2 wires. Remove the old light switch cover using a flat tip screwdriver. Strip about 34 inch of insulation from one end of each black wire. One will be the power line coming from the breaker box and the other will be the wires connected from the light switch to the light fixture. Connect the black wire coming from the lightbox with the black wire leading to the second switch by twisting their ends together and fastening with a third wire nut. Turn off the power to the switch at the main circuit breaker or fuse panel. Cut two lengths of black wire and two lengths of bare copper wire about 6 inches long.
Depending on the manufacturer of the light fixture the. Connect it to the screw on the left side of the switch. Then use a voltage tester to make sure that the circuit is dead. On each of the two single pole switches install a hot wire pigtail and a ground wire pigtail that will be used to attach the switches to the wires from the feed cable. To replace this kind of switch follow these steps. Connect the 2 ground wires with a fourth wire nut.
Use a voltage tester to double check that there is no power going to the light switch before you start work. Take the white wire leading to the second box and mark its end black too. Each light socket in a light fixture has its own black lead wire and white neutral wire. Connect the two white wires from the light fixture to the white wire located in the electrical box by twisting an orange wire nut onto all three wires. Unscrew and remove the switch plate. How to install a light fixture with two lead wires.
Connect the two black wires from the light fixture to the black wire from the electrical box the same way you connected the white wires. Turn off the power by locating your housebreaker and shutting the power off to the room you will be working in. Unscrew the switch from the electrical box and pull it out with the.