A two-way switch, also known as a three-way switch in some regions, is a fundamental component in electrical wiring that enables the control of a single light fixture or electrical device from two distinct locations. This type of switch is commonly employed in areas with multiple entry or exit points, such as staircases, hallways, or expansive rooms. The primary purpose of a two-way switch is to offer flexibility and convenience by allowing users to turn a light on or off from different position

How to Wire a 4 Way Switch [with Diagrams and PDF] - Electric Problems