Intermediate Switch Wiring Diagram. Intermediate switch wiring diagram nz. 379301 678m16 wiring diagram.
379301 678m16 wiring diagram. Most likely to be found with wires in conduit. After this step you will need a length of the 3 core earth cable.
The middle switch is an intermediate type.
Intermediate switches can be used for 1 and 2 way switching. Three way switching 2 wires. The four way switches are wired in between. Usually the third wire passes the middle intermediate switch but is joined in a separate terminal block.