3 Way Switch Block Diagram. The hot and neutral terminals on each fixture are spliced with a pigtail to the circuit wires which then continue on to the next light. 3 way 4 way switch wiring diagram.
In this configuration the inbound white wire connects directly to. This is also in plastic boxes. The most basic circuit with only two wires at the switch.
3 way switch wiring diagram this wire should be marked.
I have the understanding of a normal 3 way switch but the extra light has thrown me. Take a closer look at a 3 way switch wiring diagram. Three wires between the two end switches probably using 3 core and earth cable. This 3 way light switch diagram shows connections when the power comes into the first switch on to the second switch and then on to two or more lights switched by the 3 way circuit.