It has 4 terminals or poles and consists of two 3 way switches that are modified. Click here to access note.
4 Way Switch Wiring Methods Electrician101
4 way electrical switch diagram. Study the 4 way switch and the manufacturers directions. This 4 way switch diagram 2 shows the power source starting at the fixture. Two terminalpoles are labeled in and two are labeled out pairs of wires called travelers will connect to each side. This diagram illustrates wiring for a 4 way circuit with the electrical source at the light fixture and the switches coming after. It is important to understand how these switches are wired before attempting to troubleshoot or replace. The white wire of the cable going to the switch is attached to the black line in the fixture box using a wirenut.
A 4 way switch is always placed in between two 3 way switches. This 4 way switch diagram 1 shows the power source starting at the left 3 way switch. 4 way switch configurations are used to control lights with three or more switchesa 3 way switch is used on each end with one or more 4 way switches in between the two 3 way switchesthey do not have an onoff position like single pole switches. The 4 way is used when you want to control the light or lights from two or more locations. The two black wires were connected with a wire nut and the two red wires were connected with a wire nut in the box. A 4 way switch has 4 terminals or poles.
This diagram is a thumbnail. The switch can be used to control the electricity supplying lights from three locations. You can have an indefinite number of 4 way switches in a circuit. I have a few of the most common ways in wiring a 4 way switch to help you with your basic home wiring projects. When i moved in only two of the switches were working and the third was not connected to the wires. When the switch is operated current will either travel straight through or crisscross.
I have should have three switches that control the four can lights in the ceiling of my upstairs hallway. For complete instructions on wiring a basic 4 way switch see our wiring a 4 way switch article. If you understand how to wire a 3 way switch youll have no issues with a 4 way switch. Below is another method for wiring 4 way switches. Watch the 4 way switch video below and pay attention. Wiring a 4 way switch electrical question.
They all must be between the two 3 way switches. To view it at full size click on the diagram. 4 way switch wiring with light first. Two wire cable is run from the light to sw1 and 3 wire cable runs between the three switches. More 4 way switch wiring diagrams four way switch wiring schematic. A 4 way switch wiring diagram is the clearest and easiest way to wire that pesky 4 way switch.
The electrical switch box that contains the line and load wires may need to be bigger than the other switch boxes especially if there are other wires going into the switch box. 4 way switch wring diagram. Look for 4 way switch wiring diagram or step how to wire a four way light switch electrical circuit a 4 way switch is a double pole double throw dpdt switch.