Installing A Light Switch With 3 Wires. Now after some research I know it's connected to the bathroom fan as well as the bathroom light. I have a light at the top of the stairs and a.
In this configuration, the switches are called, confusingly The pigtail gives you two hot wires instead of just one. The source is at the ceiling outlet Use this wiring when the source is at the fixture and you want to control the feed to both components with the same switch. I am confused on how to rewire the switch.
Connect one wire to the first switch in the box and the second wire to the other switch, and.
Identify the three different colored wires, and attach the new light switch to the wires in the same way they had been attached to the old switch.
How to Install a GFCI in an Older Home. If a light switch fails to function, it should be replaced. Here's how a single-pole switch is typically wired: The electrical box usually has two two-wire cables coming into it.
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