4 Way Light Switch Wiring Diagram. Electrical engineering books electrical diagram electrical wiring diagram electrical switches electrical projects. Power from light fixture to light switch.
Wiring a three way switch circuit is one of the more complex electrical jobs that a homeowner can attempt. To view it at full size click on the diagram. The first switch 3 way travelers brass color connect to one pair of the second switch 4 way travelers black or brass color.
This 4 way switch diagram 1 shows the power source starting at the left 3 way switch.
A four switch configuration will have two 3 way switches one on each end and two 4 way switches in the middle. The black line wire connects to the common terminal of the first 3 way switch. A four switch configuration will have two 3 way switches one on each end and two 4 way switches in the middle. Saved by caleb williams.