the lights in most houses and flats are part of a circuit controlled by the consumer unit, where power enters the house. We can see how circuits work, and represent them with some simple diagrams ...

This automatic light dimmer circuit makes it possible to control a lighting system so that it turns on or off slowly. The circuit works this way: when switch S1 is closed, the capacitor C1 is slowly ...

Generally, Class 1 remote-control and signaling circuits must meet most of the same wiring requirements for power and light circuits. We commonly use Class 1 remote-control circuits in motor ...