3 Gang 2 Way Light Switch Diagram. 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. The top countries of supplier is China, from.
Ideal for place like front doors where you may want to control an outdoor light, porch light and hall light; or a first floor landing where you could.
Also notice that the multiple switch method requires more wires in the circuit.
Three-way light switches control a light from two locations, such as from both ends of a staircase or hallway. What is Two Way Switching ? An alternative way to wire a two way light circuit which is convenient for wall lamps with a switch in or below the lamp.