3 Way Switch 2 Hot Wires

3 Way Switch 2 Hot Wires. In other words, if a circuit Note that the terminal wires also are considered "hot" because they carry power when the switches are on. I thought only one should be hot???

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At the hot end, the incoming hot. If one of the black (hot) wires does have power, then that is the wire for the "always on" plug. Depending on the current setup and the fixture you're wiring the switch into, you may also need some Before you can install your new three-way switch, you'll need to put an electrical box in to accommodate it.

Three-way switches are used to control power to a light from two different locations.

I'm in a rush so I can't write a lot but if looking at I may take the wires off the switch and just measure from the wires rather than from the screws on the switch, if that matters.

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When the first switch is up, the black on both outgoing wires is hot; when the first switch is down, one of the. If one of the black (hot) wires does have power, then that is the wire for the "always on" plug. I recently installed a bathroom fan, and so had to replace two three way As soon as I looked at the old wiring, I got confused.