How To Hook Up A 3 Way Switch

How to wire 3 way light switch in this video we explain how three way switching works to connect a light fitting which is controlled with two light switches. This might seem intimidating but it does not have to be.

How To Wire A 3 Way Switch Wiring Diagram Dengarden

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.

How to hook up a 3 way switch. The red wire then goes with the other three to connect both switches. When wiring a 3-way switch circuit we will be using a 3-wire cable known as romex coming from the source such as the breaker box. Connect the ground wire to the green screw.

Secure the white wire to the second wire with the same color using a wire nut. Its likely youll also need to replace the existing switch box with a larger one to accommodate the extra wires for the 3 way switch. Turn off the correct circuit at your electrical panel.

Interested in a 4 Way Switch. Take a closer look at a 3 way switch wiring diagram. B connect the red wire coming from switch 1 to one of the remaining main screws of switch 2.

Add an electrical box for the second 3-way switch in the basement. C connect the white wire coming from switch 1 to the last remaining main screw of switch 2. Connect the two remaining traveler wires to the two brass or light colored screws.

When wiring a 3-way switch first screw the terminal screws of the new switch until they are difficult to turn. The 3 wire cable enters through the top of the first switch box. Connect the wire marked common to the black or dark colored screw.

Step 2 Connect the black wire to the Input 1 of your switch. With these diagrams below it will take the guess work out of wiring. Either way complete these five steps for 3-way light switch wiring.

If the meter shows continuity with the toggle in one direction and not the other move the probe from that traveler terminal to the other one and test again. Splice the green black and black-taped white wires to run them to Switch 2 where you connect them the same way. It does not matter to which terminal screw this wire is connected.

A connect the black wire coming from switch 1 to the common screw of switch 2. Pick the diagram that is most like the scenario you are in and see if you can wire your switch. Then a 4-wire cable going between the two 3-way switches and then a 3-wire cable going from the switches to the load.

Take a closer look at a 3 way switch wiring diagram. Then attach the green ground wire to the switch and the box and attach the red wire to the third terminal.

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