Unbelievable 4 Way Switch Circuit
There are four terminals that provide two sets of toggle positions on a four way switch.
4 way switch circuit. If you require 2011 nec 404 2 c compliant options then re select by clicking on 4 way switch in menu above. One ground and 4 circuit terminals divided into two matching pairs called travelers. According to the diagram the red and black wires are the traveling wires and the white is the common lead.
Adding additional 4 way switches. In the diagrams below the first switch 3 way common terminal connects to line voltage. The travelers from one 3 way can be wired to either terminal in a pair but don t mix up the pairs on the 4 way or the circuit won t work properly.
Remove the 4 way and put in the 3 way smart switch. How 4 way switches work an animation. Four way switches are used in combination with three way switches.
Shown above is an animation of a circuit using three switches to control a light. Identify correct screws on 3 way 4 way switch. A 4 way switch has two positions.
When you re done with all the wiring wrap any exposed wires with electrical tape. Conventional 4 way switch wiring. Slide your mouse over the image to see the switch change state if you have javascript enabled in your browser.
As you will see most 4 way switch wiring is placed between the wiring of two 3 way switches therefore a 4way switch is installed with two 3way switches. Each pair of traveler terminals should be wired to the traveler wires from one of the 3 way switches in the circuit. A 4 way switch has five terminals.