4 Way Switch Schematic. A four way switch is added when there are more than two switch locations operating the same light. Electricity can injure kill or cause property destruction. Each pair of traveler terminals should be wired to the traveler wires from one of the 3 way switches in the circuit.
A 4 way switch has five terminals. You can avoid costly mistakes. The white wire of the cable going to the switch is attached to the black line in the fixture box using a wirenut. In some countries the four way is called an intermediate switch.
The white wire becomes the energized switch leg as indicated by using black or red electrical tape.
Four way switch wiring schematic. A four way switch is added when there are more than two switch locations operating the same light. The other pair of the second switch 4 way travelers connect to one pair of the third switch 4 way travelers. 4 way switch wiring schematic. In some countries the four way is called an intermediate switch.