Assumptions and complacency are two of safety’s worst enemies. If the following story hits uncomfortably close to home for you, it will have served its purpose. In January 1993, two employees were ...

An arc flash is defined as a hazardous explosion of energy from an electrical circuit, or a type of discharge that results from a low-impedance connection through air to ground or to another voltage ...

Those of us old enough to remember fuse boxes don't look back fondly on them. A light went out and you ran to the box, removed the burned-out fuse and replaced it with a new one from your ever-ready ...

In the not-so-distant past, electrical workers routinely racked out breakers in the normal course of their jobs. They did this with little concern or knowledge of the hazards to which they were ...

There's a common misconception among many professionals in the electrical industry that can be prove to be deadly under certain circumstances — some technicians, as well as engineers, believe that ...

Residential electrical branch circuit breakers incorporate electronic and electrical technology in Arc Fault Circuit Interrupters that can turn off power to prevent fires if arcing occurs. This ...

Solid-state power controllers (SSPCs) are designed to replace mechanical circuit breakers, which work by tripping when the temperature of their internal sensors reaches a predetermined level (Fig. 1).