Wiring a 2-Way Switch - how-to-wire-it This should give you a good basic understanding how the 2-way switch circuit works and will help you in adding or changing a 2-way switch. So now that you have a basic concept of wiring a 2-way switch, let's look at the following 2-way switch diagrams to see which type of circuit scenario you have.About Me · Trailers · Ceiling Fans · Romex Cable · 4-Way Switch · Component Diagrams How to Connect a 2-Way Switch (with Circuit Diagram) If you are going to install a new one then go for three wire control method. As you see in the Schematic Diagram of 2 way switch circuit below, you will find that the phase/live is connected with the common of the first 2-way switch. PIN1 & PIN2 of the first switch is connected with the PIN1 & PIN2 of second switch respectively. Two Way Switching Explained - How to wire 2 way light switch Click to view on Bing7:05How to wire 2 way light switch, in this video we explain how two way switching works to connect a light fitting which is controlled with two light switches. We look at the EU colour coding wiresAuthor: The Engineering MindsetViews: 2 4 Way Switch Wiring Diagram - Easy A 4 way switch wiring diagram is the clearest and easiest way to wire that pesky 4 way switch. I have a few of the most common ways in wiring a 4 way switch to help you with your basic home wiring projects.