Three Way Four Way Switch Wiring Diagram. 4 way dimmer switch wiring diagram. If you are trying to troubleshoot a 3 way switch operation you will need to identify the function of each wire.
Wires consisting of a line a load a neutral a pair of travelers and two 3 way switches. To make this circuit work a 3 way dimmer can be used in place of one or both of the standard 3 way switches. The black screw on a 3 way switch diagram is for the continuous hot wire that comes from the circuit panel or for the feed wire that runs up to the light fixture.
The diagram below is based on the video you watched above.
Three wire cable runs between all the switches and 2 wire cable runs to the light. Wires consisting of a line a load a neutral a pair of travelers and two 3 way switches. The diagram below will give you a good understanding of what this wiring consists of. To get started take a look at the first diagram below.
