2 Gang 2 Way Light Switch Wiring Diagram

Some brands of light switch may have slightly different labeling on the terminals such as c l1 l2 or even l1 l2 and l3.
2 gang 2 way light switch wiring diagram. Each of the gangs or switches above in fig 2 of which there are three work like this fig 3. This diagram shows two switches in the same box with a separate 120 volt source feeding each. You can use it as a one way switch by using the com and l1 terminals only. In position 1 when the switch is down or on com and l1 are connected together just like the one way switchin position 2 when the switch is up or off com and l2 are connected together.
Wiring two switches in one box with 2 sources. Two way switching allows you to control a light from two locations. A commonc l1 and l2. To switch from two locations youll need 2 two way switches and wire them together in a particular way.
This type of light switch is used where two switches control the same light such as at the top and bottom of a stairway. Three wire cable is supplying the source for the switches and the black and red wires are each connected to one switch. A two way switch has 3 terminals. You dont see these as much now days as many manufactures only make 2 gang 2 way light switches that serve the same purpose you just dont use the third l2 terminal on each gang however i thought we would include it just in case you come across one.