The 4 way terminals are labeled in and out two of each. This diagram is a thumbnail.

Swap Out Those Old Crappy 3 Way Light Switches For Good Cnet
4 way switch connection diagram. It shows the elements of the circuit as simplified forms and also the power and signal links between the tools. Check here for 4 way switch troubleshooting and help with 3 ways switches here. For circuits that control lights from two locations only check the wiring diagrams at this link. 3 way switch actual connection tagalog duration. Click here to access note. Included are a 4 way dimmer switch diagram and an arrangement that can be used to control room lights from four different locations.
Show more show less. Follow the switch manufacturers instructions and wiring diagram as the connections on the switch vary by manufacturer. 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. It is important to understand how these switches are wired before attempting to troubleshoot or replace. A wiring diagram is a simplified traditional photographic depiction of an electric circuit. The 4 way is used when you want to control the light or lights from two or more locations.
For complete instructions on wiring a basic 4 way switch see our wiring a 4 way switch article. Category howto style. A 4 way switch has four terminals do not confuse with and purchase a 2 pole switch by mistake. Sometimes the switch wiring connection diagram is printed on the inside of the 4 way switch packaging box see example below. Wiring a 4 way switch with light at. I have a few of the most common ways in wiring a 4 way switch to help you with your basic home wiring projects.
4 way switch wiring diagram size recommended for house wiring 14 above. The white wire becomes the energized switch leg as indicated by. A 4 way switch wiring diagram is the clearest and easiest way to wire that pesky 4 way switch. To add more than three locations for one set of lights. This 4 way switch diagram 1 shows the power source starting at the left 3 way switch. The mechanics of this switch are simple in that they either switch the travellers straight through or criss cross them.
The white wire of the cable going to the switch is attached to the black line in the fixture box using a wirenut. At the other end you connect the other 3 way switch with either the line or the load. This 4 way switch diagram 2 shows the power source starting at the fixture. To view it at full size click on the diagram. Collection of leviton 4 way switch wiring diagram.