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 ...

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 ...

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 ...

Wouldn’t it be nice to know exactly what OSHA is training its inspectors to look for during an inspection that includes electrical safety, including surprising new areas of emphasis based on national ...

All questions and answers are based on the 2011 NEC. Q. What is the Code requirement for the interrupting protection rating of overcurrent devices? A. Overcurrent devices, such as circuit breakers and ...