Red Wire In Switch. When you see a red wire in a light switch box, it can mean two things. We'll cover the easier scenario first.
Now connect the black wire from Your green wire is the ground wire. Switch boxes in older homes usually used the white wire as a power wire, not a neutral. The black pigtail will terminate on one of the switch screws and the red wire on the other.
I bought a Leviton Z-Wave switch from Home Depot (wife is out of town and I'm bored).
Many wall switches in this house are wired black/red (not black/ white).
The new switch has red, black, green and yellow wires. Like black wires, they can also be used in some types of switch legs. Before you begin, make sure all electrical circuit breakers related to the wiring are turned off.
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