Unbelievable 3 Way To 4 Way To 3 Way Switch

You can have an indefinite number of 4 way switches in a circuit.

3 way to 4 way to 3 way switch. Run a new 3 wire cable to the desired box location in the house. Four way switches are used in combination with three way switches. A 4 way switch is always placed in between two 3 way switches.

A wide variety of 3 way to 4 way to 3 way switch options are available to you such as project solution capability structure and after sale service. Many times four way switches will come with two brass colored terminal screws and two darker colored terminal screws. The black and red travelers from both sides of the cut which are now coming towards the 4 way from both of the 3 ways will go into the in on one side and into the out.

A 4 way switch has two positions. If you understand how to wire a 3 way switch you ll have no issues with a 4 way switch. Watch the 4 way switch video below and pay attention.

I am showing a situation where the existing 3 way switch box contains only a 3 wire cable. When the switch is in the up position the current can flow through two terminals. In the down position the current flows through the other two terminals.

In the first position the contacts are connected straight through so that the switch has no effect. The 4 way switch will have 2 terminals marked in and 2 marked out. Polarity reversing in this case means it connects black 1 to black 2 and red 1 to red 2 straight through in one position and connects black 1 to red 2 and red 1 to black 2 crossed swapped reversed in the other position.

There are four terminals that provide two sets of toggle positions on a four way switch. Slide your mouse over the image to see the switch change state if you have javascript enabled in your browser. Then move the existing 3 way switch to the new box and install a new 4 way switch at the existing location in the garage.