Wire Diagram For 3 Way Switch. The black line wire connects to the common terminal of the first 3 way switch. 4 way switch wiring guitar schema diagram database.
Wire up 3 way 12v switch. The two wire line cable goes into one switch box and the two wire load cable goes into the other switch box. This 3 way light switch wiring diagram shows how to do the light switch wiring and the light when the power is coming to the light fixture.
The black hot wire connects to the far right switchs common terminal.
The circuit consists of a two way switch at each end top and bottom switches in fig 2 and an intermediate switch in the middle. The primary thing that confuses most do it yourselfers is the fact that only one of the three way switches needs to be replaced with the dimmer switch. 3 single coils 5 way lever switch 1 volume. Pick the diagram that is most like the scenario you are in and see if you can wire your switch.