Leave 810 inches 203254 cm of wire inside each of the boxes before cutting the cable to facilitate easy splicing and connection to the switch and fixture. With these diagrams below it will take the guess work out of wiring.
3 Way Switch Wiring Diagrams Do It Yourself Help Com
How to wire a 3 way light switch. Take a closer look at a 3 way switch wiring diagram. Feed a length of 14 3 type nm cable or 12 3 if youre connecting to 12 gauge wire between the two boxes. Connect the wires to the new 3 way switches with ground screws using one of the two wiring diagrams fig. Secure the white wire to the second wire with the same color using a wire nut. White black and red plus a bare ground wire. The black line wire connects to the common terminal of the first 3 way switch.
Three way light switch with power feed via the light in this light switch wiring diagram the power feed joins the circuit via the light fixture where a two wire cable c2 runs from the light to the first 3 way switch sw1 and a 3 wire cable c3 joins the two switches. Step 1 the breaker phase black wire neutral white wire as well as the ground green wire must be landed in the first switch enclosure. Install a 3 wire cable from the first switch box to the light fixtures box. The 14 3 cable has three insulated conductors. Step 2 connect the black wire to the input 1 of your switch. Remove 34 to 1 inch of insulation.
Twist the stripper or rotate it 360 degrees sliding the insulation off the wire as it breaks loose under the cutting blades. With wire strippers put single wires in the proper size groove in the handle 12 for no. Interested in a 4 way switch wiring diagram. B connect the black hot wire coming from the romex cable that leads to your circuit panel to your new 3 way light switch 1 you will connect the hot wire to the hot terminal on the 3 way switch which is usually black and stands alone. Splice wires together and top with a wire connector. A 3 wire nm connects the traveler terminals of the first and second 3 way switch together.
This is a scenario where you have 2 light switch locations that control a single light fixture unless. This first step will eventually send power directly to the light fixture. This might seem intimidating but it does not have to be. Pick the diagram that is most like the scenario you are in and see if you can wire your switch. Typical 3 way switch wiring nm cable in the 1st diagram below a 2 wire nm cable supplies power from the panel to the first switch box.
Gallery of How To Wire A 3 Way Light Switch
