A few years ago, the term “arc flash” crept into our electrical technical vocabulary. Since that time, performing arc flash calculations remains a challenge for many of us. Calculating incident energy ...

Electrical equipment is required to be field labeled by the NEC (NFPA 70) and OSHA. This requirement is meant to inform personnel working on energized equipment about ...

If an arc flash hazard is present, the plant assesses the risk and decides on methods to control that risk. Most plants utilize the services of a subject matter expert to perform the arc flash hazard ...

The Institute for Electronics and Electrical Engineers (IEEE) Industry Applications Society, Electrical Safety Committee held its annual electrical safety workshop (ESW) March 6-11, 2016. "Since its ...

An arc flash is the explosive energy released when an electrical fault causes an arc. This rapid release of energy causes excessive temperatures in addition to air and metal in the path of the arc ...

Electrical crews rarely operate in ideal conditions. Most of the time, crews are making repairs and improvements in vast, open spaces. That makes workers more vulnerable to risks and hazardous ...

“When I looked back and saw that I had no pants on the back of my legs, and literally, the skin was hanging off my arms and my legs, I just knew something horrific had happened.” So begins the story ...

Standards and regulations may change, but the danger associated with arc flash hazards remains. Analyzing potential incident energy correctly and understanding what personal protection equipment is ...

Arc flashes present a serious hazard involving electrical equipment that is more common than many would believe. Due to OSHA’s reporting requirements for arc ...

In a typical television transmitter installation 30 years ago — at a time when big power was coming into play (three-phase, 460VAC) — power was fed from a transformer located just outside of the ...