Two Way Switch Wiring Diagram With Three Treminals. As mentioned, a two way switch has three terminals, as seen in the diagram, S1 and S2 represents the two switches. In S1 you will notice that the live wire goes to a and then connected to c in the switch. In this case, the b terminal and the c terminal are the common terminals connected by two common wires to the common terminals of S2.
Two Way Switch Wiring Diagram With Three Treminals
Label: two ways