Now dont let this be confused with where the switches are physically located in your home. Guide to wiring a 4 way switch electrical question.

How To Install A 4 Way Switch Askmediy
How to wire up a 4 way light switch. A 4 way switch has 4 terminals or poles. And adding a four way switch to the mix can make an already difficult job even more confusing. Wiring a 3 way light switch. Ok assuming you are all caught up on the 3 way concept we will continue by making a 3 way circuit into a 4 way circuit. In this basic 4 way light circuit 3 wire cable runs between all the switches and 2 wire cable runs from the last switch to the light. All that is required is wiring a 4 way switch between the 2 3 way switches.
With a pair of 3 way switches either can make or break the connection that completes the circuit to the light. My old switch has two on top two on bottom. The new switch has 4 terminals two on either side top and bottom. Two terminalpoles are labeled in and two are labeled out pairs of wires called travelers will connect to each side. This is how the circuit is structured. Wiring a 3 way light switch is certainly more complicated than that of the more common single pole switch but you can figure it out if you follow our 3 way switch wiring diagram.
The electrical source is at the first 3 way switch and the hot wire connects to the common there. Wiring a 4 way switch with light at the end. Wiring a three way switch circuit is one of the more complex electrical jobs that a homeowner can attempt. Study the 4 way switch and the manufacturers directions. How to wire 4 way light switch and intermediate switch in this video we explain how four way intermediate switching works to connect a light fitting which is controlled with three or more light. My old 4 way light switch broke so i bought a new switch and i am trying to connect the wires.
When the switch is operated current will either travel straight through or crisscross.