For electricity to flow, everything needs to be connected in a big ring. It’s called a circuit. For example, the lights in most houses and flats are part of a circuit controlled by the consumer unit, ...

This course gives students a hands-on introduction to Basic Electric Circuits. The lectures introduce the theoretical background and application of simple circuit elements (resistors, capacitors, ...

Circuit breakers are used in nearly all electrical systems — from residential dwellings to electric utility facilities. We rely on them to protect our systems from damaging overcurrents and short ...

When a circuit is pushed past its limits, it rarely fails politely. It signals trouble through tripped breakers, hot outlets, ...

Article 210 provides GFCI requirements in 210.8 and AFCI requirements in 210.12. These requirements apply to 125V receptacles rated at 15A or 20A (circuits are 120V, but the receptacles are rated 125V ...