Three Way Light Switch Not Working

When a white wire is attached to a 3 way switch a tester may not read the power because of the position of the other 3 way switch.

Three way light switch not working.

The other is not. One of the switches is a dimmer switch. So to turn the light on she carefully negotiates the stairs to the top and flips on the switch. Then we go to the end of the hall and turn off the light.

Touch the probes to the 3 wires removed from the switch until you get a reading on the tester indicating continuity. 3 way circuits can be a formidable opponent. That s just not the way it s supposed to be is it. A four way switch has an extra common screw to bring the total number of screws up to four.

The dang 3 way switch isn t working. Scott first gives an explanation of the three way switch two switches that control one light fixture. These are the runners of the circuit. Toggle each switch until the light come on.

Two common screws and two brass screws not counting the ground screw. The switch at the entrance to the hallway the dimmable one will turn on the light. There are many ways that a three way switch can be wired but usually power or the light fixture connect to the load side of the switch and traveler wires run between traveler screws on both switches. Locate a bad 3 way switchusually when a 3 way switch fails lights can be toggled on and off at one switch but not the other if one of the two 3 way switches toggles the light s on and off the other 3 way switch has probably failed follow these steps to find which switch is bad.

The third wire is the common wire that feeds the light fixture and is connected to the black screw on the switch. Four way circuits are just a tad different than three way circuits mostly since the light switch that you add in has to be a four way switch rather than just another three way switch. Connect these wires to the switch 1 wire on each of the brass colored screws. If you have several light switches or light fixtures that are not working then there may be a short in the electrical wiring or most likely a loose connection has developed.

Short circuit in electrical wiring.