The tell-tale sound, flash of light, flames, and resulting smoke is the ultimate workplace nightmare: an arc flash incident. Something has gone wrong, and people and equipment are in danger. In ...

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 ...

Within the electrical industry, most workers have become familiar with the term arc flash and the hazard it represents. While training and education have helped in understanding the hazard as well as ...

While the threat of shock and electrocution from inadvertent contact with energized parts has long been recognized, the arc flash and arc blast hazards have only fairly recently been incorporated into ...

I’ve got some good news and some bad news. The good news is that, according to the U.S. Bureau of Labor Statistics, the number of occupational fatalities resulting from exposure to electricity has ...

Each data center is unique but contains a generic layout[1] consisting of three main systems, namely: a) the electrical system; b) the mechanical system; and c) the information technology (IT) system.

Failures can occur in the electrical disconnect switches, fuses or circuit breakers that control, protect and isolate electrical equipment in electrical power systems, also known as switchgear. When a ...

Electrical power grids are amongst the most important infrastructures of the world. They connect over five billion people worldwide to energy, and are indispensable for countless applications, such as ...

The PGR-8800 is a microprocessor-based protection relay that limits arc-flash damage by using light sensors to rapidly detect the arc and then trip a circuit breaker. Phase current-transformer inputs ...

Some of the industry segments and applications that can benefit from Arc Guard include substations; critical power facilities such as hospitals and data centers; yachts; cruise and refrigerated ...