4 Way Switch Electrical Diagram. Each pair of traveler terminals should be wired to the traveler wires from one of the 3 way switches in the circuit. Look for 4 way switch wiring diagram or step how to wire a four way light switch electrical circuit a 4 way switch is a double pole double throw dpdt switch.
A 4 way switch wiring diagram is the clearest and easiest way to wire that pesky 4 way switch. The white wire of the cable going to the switch is attached to the black line in the fixture box using a wirenut. The 4 way is used when you want to control the light or lights from two or more locations.
The other pair of the second switch 4 way travelers connect to one pair of the third switch 4 way travelers.
The switch can be used to control the electricity supplying lights from three locations. Each pair of traveler terminals should be wired to the traveler wires from one of the 3 way switches in the circuit. Click here to access. For complete instructions on wiring a basic 4 way switch see our wiring a 4 way switch article.
