Churning with voltage and resembling an explosion at the wire factory, the breaker panel exudes mystique. But it's just a big switch, filled with other smaller ­switches, which lead to the switches ...

The most effective tool in electrical safety is knowledge — not only knowledge of the hazards but also knowledge of how to protect ourselves and others from those hazards. Throughout my career, I have ...

This safety procedure provides guidelines for safely working around electrical hazards. It includes provisions for training, lockout requirements, and specific types of work practices and the required ...

Circuits that carry femtoamperes of current have many subtleties that you wouldn’t normally consider in the design and layout of conventional circuitry. If you overlook these subtleties, the circuit ...

ONJune 11, 1999, an electrician was troubleshooting the emergency power system. After testing the transfer panel, he moved to the emergency breaker compartment (480 volts, 200 amps), removed the cover ...

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, ...

Electrical components, like motors close motorA device which spins when current flows through it. Motors are used in fans, food processors and many other devices. and lamps close lampA component which ...