Three Way Electrical Switch
Alternative to the conventional connection for a three-way switch. The lamp shell is never connected to the live terminal. A second lamp can be connected at A to light the end of a long corridor or as a pilot lamp to indicate the light in an outbuilding is left on. The terminal at B is always live and can power a receptacle in an outbuilding, where combined lighting and receptacle circuits are allowed.
3 Way Circuit Animation
