Understanding the Three-Way Switch- A Comprehensive Guide to Its Functionality and Installation

What is a three-way switch? In the realm of electrical wiring, a three-way switch is a type of electrical device used to control a light or a set of lights from two different locations. It is commonly used in homes where it is necessary to turn a light on or off from two separate switches, such as at the top and bottom of a staircase or at the entrance and exit of a hallway. This feature adds convenience and functionality to the home, allowing users to operate the lights from different points without having to return to the original switch location. In this article, we will delve into the working principle, installation process, and various types of three-way switches available in the market.