Light Switch With 2 Black And 1 Red Wire. When you see a red wire in a If the switch that was there is a standard light switch with two brass screws on it and one green screw, you can connect the red wire to either of. However, if the above restrictions leave you with only a black - you will need to "pull" The allowed colors are black brown red orange yellow pink blue or violet.
I am a little confused by the original setup. One of these is the power feed Connect the ground wire to the green ground screw on the switch, tightening the screw firmly with a. The red wire is probably the load (it's also possible the red is the line and you have two loads controlled by the switch).
The new switch has red, black, green and yellow wires.
One of these is the power feed Connect the ground wire to the green ground screw on the switch, tightening the screw firmly with a.
Connect the black wire from the power supply to the white wire of the cable connected to the switch. Wrap a piece of black electrical tape around each end of. The right way to wire a single-pole switch depends upon where the switch is located relative to the light.
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