In this case the traveler wire and load wire were swapped and. Verify the circuit is wired correctly.
Learn How A 3 Way Light Switch Works
Troubleshooting a 3 way switch. Now using your multimeter you are going to determine which of the three colored wires is. When wiring a 3 way light switch youll need to find the common wire and connect it to the. Installing a 3 way switch. You can use a voltage tester to find out. Check to be sure the hot source is connected to one common terminal and the light fixture hot is connected to the other common terminal. 3 install the first.
Test a 3 way switch turn off power to the switches at the circuit breaker and using a tester make sure power is off. Turn off the power at the circuit breaker remove the 3 wires from each of the switches and make sure that none. There should be continuity between the. How to troubleshoot an improperly wired 3 way switch step 1. Disconnect all three wires or four if the outlet is grounded. 1 turn off the power to the circuit at the main panel.
Youll also need to locate the ground wire and connect it to the switch too. Its not as simple as you think finding the common wire. There are many ways that a three way switch can be wired but usually power or the light fixture connect to the load. 2 turn the power back on. Troubleshooting three way switches will involve determining whether the switch is bad or not. Troubleshooting 3 way switch circuits the most likely cause of circuit failure is an error in the wiring arrangement.
In this step you will be turning the power back on do not touch any of the wires previously removed with. The only wire in a multiple switch system that is hot all the time when all the switches of. Remove the two 3 way. Using a continuity tester check continuity between the common black terminal and each of the traveler terminals. Scott first gives an explanation of the three way switch two switches that control one light fixture. 3 way switch troubleshooting the two travelers are in the same cable with each other.
Identifying the common wires. How three way switches work a three way switch will always have power at two poles. Any pair of switch screws or dimmers wires that are the same color as each other are for a traveler pair.
Gallery of Troubleshooting A 3 Way Switch
