3 Way Wiring Diagram Blade Switch. The other end of this wire is connected to the black wire of the light fixture in the light fixture. The red wire in the cable is known as the traveler, and it connects to the black terminal screws on the pair of switches.
Tape wires out the way, when you're re-soldering the new switch back in the last thing you want is to melt a rogue wire. All pickup dimensions are located on each product page. The red wire in the cable is known as the traveler, and it connects to the black terminal screws on the pair of switches.
As many of you know, wiring a three-way switch with a pilot light is a tricky business - more complicated than just wiring two three-way switches to control a light fixture.
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The three-way switch is a variation of the standard single-pole switch, which controls a light only from one location. I picked up a lot of good advice from various posts - enough to put together a wiring diagram. Next remove the two mounting screws that fasten the original switch to the control plate.