Wiring A 3 Way Switch Diagram Photos. Let's start by looking at how a normal light is wired so that you can understand basic residential wiring for a light switch. Below you will see some photos that I have selected to help you with your project.
Step-by-step instructions and troubleshooting guides included. How Three-Way Switches Work. by Marshall Brain. A pair of three-wire cables enter the box of the four-way switch.
Let's start by looking at how a normal light is wired so that you can understand basic residential wiring for a light switch.
Typically used for hallways and staircases, three-way switches are used in instances where two separate switches control one.
Three-way switches often control one light fixture at both ends of a hallway. The right way to wire a single-pole switch depends upon where the switch is located relative to the light. The end switches are three-way, and the middle is four-way.
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