Three Way Switch 2 Wires Diagram. The third wire is connected between one of the traveler terminals of the two 3 way switches. Another way to wire a three way switch is when supply comes at the switch goes to the fixture and terminates at the other switch.
The wiring diagram of the three wire 2 way switch is as follows. Wiring diagram of the a type 3 way switching circuit. The l1 terminals of both the switches are connected to line or phase or live of the ac supply.
Three wire cables are used between the two switches.
A two way switch has 3 terminals. In the case of digital electronics the configuration of three wire two way switch wiring is similar to that of the ex or gate. Our dimmer switches are 2 way ie can be used for switching lights from either one or two places but the other switch needs to be a standard rocker dolly or onoff dummy dimmer switch. The third wire is connected between one of the traveler terminals of the two 3 way switches.