Either way complete these five steps for 3 way light switch wiring. In other words the current will always flow from one input pin to either output pin.
Wiring A 3 Way Switch
Connect 3 way switch. Regardless of what 3 way switch wiring diagram youre following youll need to use a 3 wire cable to connect the two 3 way light switches. Converting a single pole switch to a 3 way. Connect the two remaining traveler wires to the two brass or light colored screws. Run a black wire from the new switch to the power source. Screw your two boxes and light fixture into place then gather your supplies. Connect the ground wire to the green screw.
When wiring a 3 way switch first screw the terminal screws of the new switch until they are difficult to turn. Its likely youll also need to replace the. Wiring the switches 1. The screw is typically on the bottom of the switch. A typical three way switch will have you guessed it three terminals. See the description of each one of them below.
Dont attach the traveler wires to the common screw since. Before you even start wiring you want. Slide the 2 wire nm power cable. Its likely youll also need to replace the. Add an electrical box for the second 3 way switch in the basement. The principle is that the switch will have one main input terminal and two output terminals.
Use the black wire in the top 2 wire conductor to attach the switch to the source. Connect the wire marked common to the black or dark colored screw. Head to your fuse box and make sure there is no power coming to the room. Flip off power in the room youre working. Turn off the correct circuit at your electrical panel. So what you should see if you have correct 3 wire electrical cable romex is a black power white neutral and now a 3rd red wire.
In each position onoff the switch will connect the input to only one of the outputs.
Gallery of Connect 3 Way Switch
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