Three Wire Light Switch Diagram. The diagram below will give you a good understanding of what this wiring consists of. To get started take a look at the first diagram below.
The neutral from the source is spliced through to the switch box using the white wire and in this diagram the white wire is capped with a wire nut. In addition when you wire 3 way switch connections to lights yourself you will save a ton of money on electriciana fees and make a significant improvement to your home. Jan 24 18 02 26 pm.
The power source is coming to a light switch first.
Want to turn a lamp on with a light switch. 3 way switch wire diagram power to light switch in this diagram the incoming hot wire attaches to the first switch s common dark colored terminal. In this updated diagram 3 wire cable runs between the receptacle and switch and the red cable wire is used to carry the hot source to the switch. The electricity source and light is in between switches.