Wiring A Light Switch Red Wire. Summary: Easy to Understand Light Switch Wiring - Fully Explained Light Switch Wiring with Diagrams and Pictures with Step-By-Step Instructions to Guide You. Or it could be the red wire is the wire going to the fixture, and the black wires are the live wires.
The red wire is known as the switch leg and goes up to the light. The other may be black, red, or white. It could be there is (or once was) a three-way switch in play.
Wire-color conventions prevent wiring errors that could cause electric shock, start a fire, or damage appliances or fixtures.
The wire on the black screw is important, the position of the wires on the two brass screws may be safely and functionally reversed.
Strip both ends of these pieces of extra wire. This configuration, sometimes called a half-hot or split-tab outlet, is becoming increasingly popular, so it's good to You can wire a split-tab circuit with any duplex outlet rated for the ampacity of the circuit except for a GFCI or AFCI outlet because you can't modify either. The red wire is for the light switch.
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