4 Switch Wiring Diagram Without Ground. A 4 way switch has five terminals. To make it easier to understand we have labelled the lugs 1 10 and will refer to them in this way from now on.
There are three cases in this example. Upon one ill trace the current movement. Its components are shown by the pictorial to be easily identifiable.
Is the least efficient diagram among the electrical wiring diagram.
Start off by connecting lugs. As long as the switchs bare metal. This setup can be categorized as. Power coming into a 4 way switch first.