Unique Two Switch Diagram
2 way light switch 3 wire system new harmonised cable colours 2 way switch 3 wire system old cable colours 2 way switch two wire control three way switching.
Two switch diagram. 2 way switch wiring diagram two way switch two way switching. This video explains how the two switch two light circuit works. You will see that there is a hot wire that is then spliced through a switch and that then goes to the hot terminal of the light.
If you are doing a new install or replacing a two way switch system go for the three wire control method. Basic 2 way circuit power coming in at switch. You are most likely to see this 2 way.
3 way light switching new cable colours 3 way light switch old cable colours 3 way light switch using a two wire control. Basic 2 way circuit power coming in at. 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.
The power source comes from the fixture and then connects to the power terminal.