Standard 1 Gang Intermediate SwitchThis standard range Tronic 1 gang Intermediate switch in whiteprovides a screwless finish, is slim, has smooth edges, it has a shiny surface to fit into the modern style of ones home or offices. Intermediate switches also known as a 3 way switch are used when you need to operate a light fitting from more than two locations. For example, you may want to control a stairwell light from the ground floor, second floor and halfway in between such as a first