Replacing A 3 Way Light Switch Diagram. Put a piece of tape on the wire that goes to Note that these diagrams assume that you're following all recommended practices for safe installation of electrical circuits. Simply replacing a switch does not mean that the room needs to be re-wired, as the existing wiring.
One three way switch is by itself. What is the make and model of the new switch? Put a piece of tape on the wire that goes to Note that these diagrams assume that you're following all recommended practices for safe installation of electrical circuits.
A three-way switch is a handy convenience to control a light from two locations, such as at the top and bottom of a staircase.
Replace the covers for the switches, screw them into place.
Three-way switches are tricky to install, especially for DIYers who are replacing a bad switch. Three-way switches often control one light fixture at both ends of a hallway. The traveler wires go from switch to switch connected to the traveler terminals.