While the physical location of the 4 way switch may be anywhere the electrical location of the switch is always between the two 3 way switches. The black screw on a 3 way switch diagram is for the continuous hot wire that comes from the circuit.
4 Way Switch Wiring Diagram Home Electrical Wiring
Four way switch diagram. I have a few of the most common ways in wiring a 4 way switch to help you with your basic home wiring projects. Here two 4 way and two 3 way switches are used to control lights from four different locations. T2 from that switch is wired to t1 on the second 4way and t2 connects to the travelers on sw2. A 4 way switch wiring diagram is the clearest and easiest way to wire that pesky 4 way switch. The first switch 3 way travelers brass color connect to one pair of the second switch 4 way travelers black or brass color. A four switch configuration will have two 3 way switches one on each end and two 4 way switches in the middle.
This 4 way switch diagram 1 shows the power source starting at the left 3 way switch. What is the black screw for on a 3 way switch diagram. This diagram is a thumbnail. The two wiring diagrams above are of a 3 way switch setup and the same basic setup with a 4 way light switch added. This 4 way switch diagram 2 shows the power source starting at the fixture. The diagram below is based on the video you watched above.
For complete instructions on wiring a basic 4 way switch see our wiring a 4 way switch article. The two 4 ways are located between the two 3 ways and the traveler wires run from sw1 to t1 on the first 4 way. Click here to access note. The white wire becomes the energized switch leg as indicated by. The 4 way is used when you want to control the light or lights from two or more locations. 4 way switch wiring with four switches.
If additional 4 way switches are needed they will also go between the 3 way switches. The white wire of the cable going to the switch is attached to the black line in the fixture box using a wirenut. A 3 way switch wiring diagram is a simple drawing showing how to connect the wires to each of the four screws on the 3 way switch. To view it at full size click on the diagram. In the diagrams below the first switch 3 way common terminal connects to line voltage.
Gallery of Four Way Switch Diagram
