electrical - Changing old light switch 2 black wires and 1 red - Home Improvement Stack Exchange
How To Wire A Light Switch With Two Black Wires | Home electrical wiring, Diy electrical, Light switch
How to Wire a Light Switch — Steps for Both Single-Pole and 3-Way Switches
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Replacing an light switch. Confused by the two black wires. Usually there are, black white and ground. Old switch has no ground new one does. : r/askanelectrician
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HOW TO WIRE LIGHT SWITCHES
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