In the future a person. In a smart switch 3 way configuration a smaller charge is looped through the add on switch.
The Three Way Switch
3 way switch with only 3 wires. The three way switch is a variation of the standard single pole switch which controls a light only from one location. An example of three way switch wiring with the line and load in the same 4 square electrical box. Its likely youll also need to replace the. These 3 wires are wrapped in a sheathing. The white wire must be re identified as a hot wire at each switch location. The white wire between switches is not being used as a neutral.
Either way complete these five steps for 3 way light switch wiring. Turn off the correct circuit at your electrical panel. Its likely youll also need to replace the. Since only one wire and the ground are used the other unused wire is capped off and saved for possible future use. 3 way wiring for smart switches is different than standard 3 way wiring. Power comes down to your first switch on one of your 3 wires then two travelers return to the middle box where they are joined to two travelers going down to your second switch location.
The wiring method will depend on whether your power goes to the switch first or the light first. A third type is the four way switch which is used in conjunction with two three way switches to control lighting from more than two locations. Have not found where the switched leg is being picked up for the receptacles in the room. Fyi i have the same thing going on with a switch by the kitchen and one at the bottom of the basement stairs removed a snarl of wires and now the 3 way switch has to be on at the bottom of the stairs in order to work from the switch at the top. 3 way switches are useful for large rooms with multiple entrances but require a bit more wiring than a standard single pole switch. Finally a switch leg returns to the middle box on the 3rd wire in your second box and is joined to the load there.
Running only an individual wire without a ground or sheathing or conduit is not permitted. Notice that there is an unswitched hot and neutral at both switch boxes. You cannot use dumb 3 way switches with smart switches you must purchase the matching ge add on switch to wire with your ge smart master switch. Some things to know. There was no red wire in the original configuration either. I have always seen 3 wire to carry current over the travelers between switches then to the fixture on the common.
Looked at an existing home brother in laws and found that the 3 way switch in the dining room only has 2 wire running from 3 way to 3 way. 3 way switch wiring diagram with line and load in the same switch box. Add an electrical box for the second 3 way switch in the basement. A 3 way switch allows you to turn a light on or off from two different switches. This configuration may be used in open plan homes or in large kitchens or great rooms where a central bank of lighting fixtures might be controlled from more than two entry points.
Gallery of 3 Way Switch With Only 3 Wires
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