With wire strippers put single wires in the proper size groove in the handle 12 for no. Feed a length of 14 3 type nm cable or 12 3 if youre connecting to 12 gauge wire between the two boxes.
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How to wire a 3 way light switch. This first step will eventually send power directly to the light fixture. This is a scenario where you have 2 light switch locations that control a single light fixture unless. A 3 wire nm connects the traveler terminals of the first and second 3 way switch together. 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. 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.
Twist the stripper or rotate it 360 degrees sliding the insulation off the wire as it breaks loose under the cutting blades. The 14 3 cable has three insulated conductors. Take a closer look at a 3 way switch wiring diagram. 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. 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. White black and red plus a bare ground wire.
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. Step 2 connect the black wire to the input 1 of your switch. The black line wire connects to the common terminal of the first 3 way switch. Remove 34 to 1 inch of insulation. Install a 3 wire cable from the first switch box to the light fixtures box.
Secure the white wire to the second wire with the same color using a wire nut. 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. With these diagrams below it will take the guess work out of wiring. Connect the wires to the new 3 way switches with ground screws using one of the two wiring diagrams fig. Interested in a 4 way switch wiring diagram.
Gallery of How To Wire A 3 Way Light Switch
