At the light the hot source wire is spliced to the black wire running to the common terminal on sw2. The red and white cable wires are spliced in the fixture box and. 3 wire cable runs to the switches on each side of the light. A 3 wire nm connects the traveler terminals of the first and second 3 way switch together. Add an electrical box for the second 3 way switch in the basement. Pick the diagram that is most like the scenario you are in and see if you can wire your switch. The third wire is the common wire that feeds the light fixture and is connected to the black screw on the switch. 3 way switch wiring diagram. Either way complete these five steps for 3 way light switch wiring. With these diagrams below it will take the guess work out of wiring.
Take a closer look at a 3 way switch wiring diagram. This might seem intimidating but it does not have to be. A three way wall switch is a common type of light switch that makes it possible to control a ceiling light or other electrical fixture from two different locations in a room. The red and white cable wires are spliced in the fixture box and. Set the electrical tester to the continuity or ohms setting. Pick the diagram that is most like the scenario you are in and see if you can wire your switch. The hot terminal on the light fixture is connected to the black wire running to the common terminal on sw1. Add an electrical box for the second 3 way switch in the basement. Connect these wires to the switch 1 wire on each of the brass colored screws. Now go the other switch location.
Three way switches are always used in pairs and include special wiring connections. Either way complete these five steps for 3 way light switch wiring. The red and white cable wires are spliced in the fixture box and. Connect these wires to the switch 1 wire on each of the brass colored screws. The black wire from the other 3 way gets connected to the line black wire. At the light the hot source wire is spliced to the black wire running to the common terminal on sw2. This is the 3 wire cable which you must have to wire a 3 way light switch. Set the electrical tester to the continuity or ohms setting. Turn off the correct circuit at your electrical panel. Touch the probes to the 3 wires removed from the switch until you get a reading on the tester indicating continuity.
A three way wall switch is a common type of light switch that makes it possible to control a ceiling light or other electrical fixture from two different locations in a room. Regardless of what 3 way switch wiring diagram you re following you ll need to use a 3 wire cable to connect the two 3 way light switches. A 3 wire nm connects the traveler terminals of the first and second 3 way switch together. In this arrangement the source for the circuit is at the light fixture which is located in the middle of the circuit. This is the 3 wire cable which you must have to wire a 3 way light switch. In the ceiling light fixture electrical box one black wire from a 3 way switch gets connected to the black load wire on the light fixture. Three way switches are always used in pairs and include special wiring connections. Turn off the correct circuit at your electrical panel. It s likely you ll also need to replace the existing switch box with a larger one to accommodate the extra wires for the 3 way switch. At each switch in the above 3 way switch wiring diagram the black wire gets connected to the common copper or black screw.
Pick the diagram that is most like the scenario you are in and see if you can wire your switch. Add an electrical box for the second 3 way switch in the basement. These are the runners of the circuit. In this arrangement the source for the circuit is at the light fixture which is located in the middle of the circuit. This might seem intimidating but it does not have to be. The red and white cable wires are spliced in the fixture box and. Turn off the correct circuit at your electrical panel. Three way switches are always used in pairs and include special wiring connections. At each switch in the above 3 way switch wiring diagram the black wire gets connected to the common copper or black screw. Set the electrical tester to the continuity or ohms setting.
