How To Change A Light Switch - Beginners Guide
White wires are neutrals. A red wire could be because there are 3-way switches in the circuit, or it is being used between the switch and the light. Do. What are Red Wires? Red wires are usually used as secondary hot wires. · What are Green Wires? Green insulated wires are often used for grounding. · What are. Using 3 wire cable is very common for a ceiling fixture because it allows you to switch two electrical devices, which are usually a light and a fan. My guess is.
They are simply 2 separate 1way switches,I assume you are replacing it for a 1 gang as 2 gang switches are always 2way with 3 terminals on each gang. If so you. Do I just connect the 2 red wires to L1 & L2 on the new switch and leave the earth wire connected to the metal back housing or wire it to the back of the switch. Tie the ground and white wires together. And again, connect the remaining black and red wires to the traveler screws. Go to this link for more detailed.
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