Replacing A 3 Way Light Switch. If you draw the two switches with two lines between them, you'll see that toggling either of them will change the state of the light. The wiring method will depend on whether your power goes to the switch first or the light first.
Follow Dominick as he shows you step by step how to get it right. The wiring method will depend on whether your power goes to the switch first or the light first. One three way switch is by itself.
The feature is handy, but it can be tricky to get the wiring just right.
Three-way switches make it easy to control the same light from multiple rooms.
If you draw the two switches with two lines between them, you'll see that toggling either of them will change the state of the light. So, my obvious question is, how do I need to wire these up to the new. And on the other switch, you would connect the black wire coming from the light to that black screw.
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