Test a 4 way switch turn off power to the switches at the circuit breaker and using a tester make sure power is off. Getting this reversed is a common mistake that is made when wiring 4 way switches.
4 Way Switch Wiring House H1 Wiring Diagram
Troubleshooting 4 way switch. Wiring the switches in the 4 way box connect the pair of wires from the first 3 way switch to the in pair of screws of your 4 way switch. Pay close attention to the colors of the screws on the 4 way switch and understand that one set of wires are attached to one set of screws and the other set of wires attach to the other set of screws. Quick video describing how to hook up a 4 way switch. Recently it tripped the breaker. Verify the circuit is wired correctly using the following guidelines. The 4 way is wired with the power to the 3 way switch first then the 4 way 3 way and then lights.
Repeat for the other 3 way switch box. Follow the how to troubleshoot 3 way switches link to test the 3 way switches. Troubleshooting 4 way switch circuits the most likely cause of circuit failure is an error in the wiring arrangement. I isolated it the 4 way switch. In the first 3 way switch box connect the pair of wires leading to the 4 way box to the out pair of screws on the. I have a 4 way circuit and it has worked for 10 years.
This should help when you didnt mark the wires and cant figure out how to get it back. Remove all of the. The last 3 way turns the lights on and off but when i use the first 3 way and 4 way it trips the breaker. Using a continuity tester on the 4 way switches check continuity between one of. A 4 way switch must be wired between two 3 way switches as shown in the diagrams on this page.
Gallery of Troubleshooting 4 Way Switch
