Identifying the common wires. 1 turn off the power to the circuit at the main panel.
Antique Radio Forums View Topic 3 Way Light Switch Woes
Troubleshooting a 3 way circuit. The white wire of the traveler set of wires must be identified with black electrical tape or permanent marker to indicate that the white wire is not a neutral wire. After completing three way switch wiring it sometimes happens that the connection fails. There should be continuity between the. If this is the case you will have to do some troubleshooting of the wiring in order to determine where the problem lies. Remove the two 3 way. In this step you will be turning the power back on do not touch any of the wires previously removed with.
Using a continuity tester check continuity between the common black terminal and each of the traveler terminals. The black wire of the 3 wire cable at the second 3 way switch is connected to the point screw terminal. Both this and the previous problem can often be. How to troubleshoot an improperly wired 3 way switch step 1. The point screw terminal at the second switch. Disconnect all three wires or four if the outlet is grounded.
Now using your multimeter you are going to determine which of the three colored wires is. Someone replacing a switch can do so incorrectly or can install a switch that only has two non green terminals. 3 way switch troubleshooting one of the switches itself can fail. Turn off the power at the circuit breaker remove the 3 wires from each of the switches and make sure that none. 2 turn the power back on. You may have turned the circuit back on and made sure the bulb was new but for whatever reason there is a break in the circuit.
3 install the first. The connection of a wire at one of the switches can become loose. Test a 3 way switch turn off power to the switches at the circuit breaker and using a tester make sure power is off.
Gallery of Troubleshooting A 3 Way Circuit
