3 Way Switch Wiring Diagram Video. How Three-Way Switches Work. by Marshall Brain. Let's start by looking at how a normal light is wired so that you can understand basic residential wiring for a light switch.
Three-way switches allow for controlling a light fixture from two separate locations, these are usually used at the top and bottom of a flight of stairs or at two different entrances to a room.
Three-way light switches control a light from.
Before you begin anything with a three-way, you must understand that in order for you to have a three-way circuit you must have three-way switches. I'm preparing to wire a circuit with two three-way switches. The figure below shows the simplest possible configuration Three-way switches have different methods of connection, depending on the brand of the switch.
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