4 Way Switch Wiring Diagram
Merely add the 4 way switch between the other two and terminate the traveler wires on the 4 way switch while making sure that there is a neutral in each box.
4 way switch wiring diagram. Typical 4 way switch wiring nm cable in the 1st diagram below a 2 wire nm cable supplies power from the panel to the first switch box. Be careful here some of those diagrams make it nearly impossible to have the neutral wire in the box and were included for those people working on older homes. The black line wire connects to the common terminal of the first 3 way switch. Each of the diagrams in the 3 way switch article can be treated the same way.
Remove all of the switches so you can access the switch terminals. 4 way switch wring diagram. One ground and 4 circuit terminals divided into two matching pairs called travelers. The travelers from one 3 way can be wired to either terminal in a pair but don t mix up the pairs on the 4 way or the circuit won t work properly.
They all must be between the two 3 way switches. A 4 way switch has five terminals. Test a 4 way switchturn off power to the switches at the circuit breaker and using a tester make sure power is off. The wire connections do not have to be removed.
Actual toggle position can vary with make and model. A 4 way switch must be wired between two 3 way switches as shown in the diagrams on this page. The wiring diagram further down depicts another choice of wiring method. How to wire a 4 way switch.
Each pair of traveler terminals should be wired to the traveler wires from one of the 3 way switches in the circuit. Using a continuity tester check continuity between terminals as shown. Free quick start guide here. Watch the 4 way switch video below and pay attention.
A four way switch is added when there are more than two switch locations operating the same light. You would just continue from one 3 way switch box with the 14 3 three conductor cable two colored traveler wires a white. Jan 31 2017 4 way switch wiring diagram for free to help make 4 way switch wiring easy. Four way switch wiring schematic.
The schematic diagram below shows how all four way switches are wired. To switch from three or more locations you will need to add 4 way switches. A 4 way switch is always placed in between two 3 way switches. New work as opposed to simply replacing a switch.
4 way switch wiring diagrams. If you understand how to wire a 3 way switch you ll have no issues with a 4 way switch. When you want to switch electrical devices lights or other outlets on or off from two locations you use a pair of 3 way switches. In some countries the four way is called an intermediate switch.