How to replace your old outdated 3 way light switches step 1. You wont need many tools for this job.
How Do You Install A Light Switch 5 Steps With Great Pictures
Replacing an old light switch. Unscrew the switch from the electrical box and pull it out with the. Turn off the power to the switch at the main circuit breaker or fuse panel. Before beginning in earnest to replace a light switch go first to the electrical panel and cut power to the room where youre going to be working. Unscrew and remove the switch plate. Turn off the power by switching off the circuit breaker that controls the circuit feeding the switch. There will be three wires.
Remove the cover plate. One black one white and a separate ground wire that may be bare copper or is sometimes wrapped in green. If the breakers in the box are unlabeled use. The necessary supplies though are critical so make. The most basic three way switch setup has two switches that connect and control one light. If any of the wires seem weakened trim and re strip the end of the wire to meet your needs.
Shut off the power. In older systems that. Then use a voltage tester to make sure that the circuit is dead. Inspect the quality of the wires. To replace this kind of switch follow these steps.