How To Wire A 3 Way Light Switch. Three-way switch wiring requires the use of a three-conductor cable to connect the two switches. Three-way wall switches are most commonly used to control a light fixture from two locations, such as from both ends of a hallway or stairway.
Three-way switches allow you to control lights or receptacles from two points. Controlling a light with three or more. Due to the way the three way switch is wired, you will not be able to do this.
Either, your outlet will turn on and off with the switches, or you would The wire to the common terminal of the switch gets removed and hooked to a pigtail which goes to the common terminal, and also is attached to the black.
Three-way wall switches are most commonly used to control a light fixture from two locations, such as from both ends of a hallway or stairway.
It's important to recognize that a light switch is designed to interrupt the "hot" wire when it's turned off. A three-way switch has three terminals, and the switch connects the first terminal to either the second or the third terminal, as shown here There are several other ways to wire three-way switches to a light. Run two conductor wire from the box that doesn't have power in it up to the light box. this wire is Strip all three wires with wire strippers.