Unbelievable 3 Way Switch Wiring Schematic
The black hot wire connects to the far right switch s common terminal.
3 way switch wiring schematic. The switches may be arranged so that they are in the same orientation for off and contrasting orientations for on. 3 way switch wiring diagram depicting all wires in the ceiling junction box. Pick the diagram that is most like the scenario you are in and see if you can wire your switch.
With these diagrams below it will take the guess work out of wiring. This might seem intimidating but it does not have to be. Regardless of what 3 way switch wiring diagram you re following you ll need to use a 3 wire cable to connect the two 3 way light switches.
3 way switches have three terminals one common usually black color and one pair of travelers usually brass color. By correctly connecting two of these switches together toggling either switch changes the state of the load from off to on or vice versa. 3 way switch wiring diagram.
With conventional wiring the common wire from one switch connects to line the common wire from the other switch connects to the load lights. The black line wire connects to the common terminal of the first 3 way switch. Electrically a typical 3 way switch is a single pole double throw spdt switch.
Red and blue wires link traveler terminals of both switches. You can observe how the schematic look of 3 way light switch. 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.
Take a closer look at a 3 way switch wiring diagram. The black wire from the other 3 way gets connected to the line black wire. 3 way switch wiring schematic.