3 Way Switch With 2 Wires. Three-way switches have different methods of connection, depending on the brand of the switch. Three-way switches allow for controlling a light fixture from two separate locations, these are usually used at the top and bottom of a flight of stairs or at two different entrances to a room.
Three-way switches often control one light fixture at both ends of a hallway.
For instance, there may not be any white wires.
Three-way switches allow for controlling a light fixture from two separate locations, these are usually used at the top and bottom of a flight of stairs or at two different entrances to a room. You know the drill- one turns on the light, the other one will turn off but then the first one wont turn back on unless the other one is switched, etc. Everything is fine after installation except the switches has to be in a "on"position before the.





