But as any radio enthusiast knows, sparks also give off broadband radio noise. Arc-fault circuit interrupters (AFCI) are special circuit breakers that listen for this noise in the power line and ...

This circuit and circuit diagram contain a cell and two lamps connected in parallel In a parallel circuit, if a lamp breaks or a component is disconnected, the other components continue working.

They are known as components and each one is represented by its own symbol when drawing an electrical circuit diagram. The flow of electricity is invisible and it can be difficult to understand ...