3 Way Switch Diagram. Three-way light switches control a light from two locations, such as from both ends of a staircase or hallway. Intermediate switch An intermediate switch is a three way light switch.
They are not the same as a regular switch at all. Depending on the current setup and the fixture you're wiring the switch into, you may also need some Before you can install your new three-way switch, you'll need to put an electrical box in to accommodate it. I'm wondering if my diagram is correct.
Refer to the illustrations below for doing the rough-in wiring for each of these situations.
Three-way light switches control a light from two locations, such as from both ends of a staircase or hallway.
They are not the same as a regular switch at all. Click the icons below to get our NEC® compliant Electrical Calc Elite or Electric Toolkit, available for Android and iOS. Note that these diagrams assume that you're following all recommended practices for safe installation of.