The main wire that will go from one switch to the other should have 4 wires total black white ground and red. Review the diagram below for basic three way wiring instructions.
Multiway Switching Wikipedia
How to wire a light switch with 4 wires. This gauge is when you want to use the quick connect method when wiring a light switch. Simply strip the wire to the length specified and push the wire into the hole. One neutral crosses over from this group to the other side. Connect one black wire from the dimmer to the black wire inside the switch box by twisting an orange wire connector onto both wires. Wiring a 3 way light switch is certainly more. These two wires are the travelers to the 4 way switch.
The wiring is more complicated than a traditional single pole switch but well explain how to make the connections. In order for the light to be controlled by its own switch the wiring between the switch and the fan unit needs a fourth wire a red wire to carry power to the light kit. The hot from the source is spliced to the black wire running to the combo and to the input side of the switch. Once youre done youll be able to control a light from two switches. Connect your white wires together and secure with wire nut. Next twist together like colored wires coming from the fixture and the wall or ceiling such as black with black and red with red then screw a wiring cap over the exposed ends.
Attach the black wire and white marked with blue wire going out of the box to the next switch to the bottom poles of the 3 way switch. Connect the green wire to your household ground wire copperbare wire. Currents should always be equal in each cable and that means a second wire would need to cross over too. Twist another orange wire connector to the remaining black wire on the dimmer connecting it with the white wire wrapped in black electrical tape. This story features diagrams that show how to wire 3 way switches. To wire a light in your home start by switching the appropriate circuit in your fuse box to off so you can work safely with the wires.
Now in the back of that box i see plain separation between the wires to the left switch and the wires to the right switch. Source 1 comes in at the light fixture and a 3 wire cable is run from there to the switch half on the device. The black wire is going to be connected to the black screw on the switch. The third wire the red will not be switched at the 4 way location but passes to the final 3 way switch. Connect the source wire to the bottom terminal of the switch and the other black wire to the top terminal. In this picture you can see the strip gauge on the back of the switch.
Gallery of How To Wire A Light Switch With 4 Wires
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