Web the extra wire is a “traveler” wire that connects the two switches to each other. The 2 wire source feeds to an adjacent switch for a different light which then feeds this switch with 2 wires. Web the 14 gauge two wires come with 3 wires, one black, one white wire and a copper ground wire.
Wiring Diagram Of 3 Way Switch
Web i'm moving a light switch to a different wall and have found that the cable from the switch to the light has 3 wires but i don't know why.
A Hot (Black) Wire, A Neutral (White) Wire And A Ground (Copper) Wire.
The black and white wires are attached using brass screws. Web 12 nov 2021. Web three wires will be attached to your switch:
Again…The Electrical Circuit’s White Wires Bypass The Switch Unless…A White Wire Has.
Turn off the correct circuit at your electrical panel. Web major systems how to wire a light switch:
