Get Images Library Photos and Pictures. Diagram Fan Light Switch Wiring Diagram Full Version Hd Quality Wiring Diagram Pvdiagramxpendarvis Primocircoloasti It Lighting Circuit Diagrams For 1 2 And 3 Way Switching Two Way Light Switch Connection 2 Way Switch How To Wire A Light Switch As you see in the 2 way switch diagram below you will find that the phaselive is connected with the common of the first 2 way switch. 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.