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 ...

The number of arc flash incidents in the United States is greater than many engineers realize since most accidents don't make the daily news. Chicago-based Capelli-Schellpfeffer, Inc. reports that ...

The Occupational Safety and Health Act of December 29, 1970, states “An Act: To assure safe and healthful working conditions for working men and women …” Section 5 of the Act titled Duties goes on to ...

When electrical equipment must be maintained or repaired while energized, an arc flash hazard may be present. Affected workers need to know what steps should be taken to stay safe. Arc flash warning ...

Arc flash is defined as an explosive release of energy caused by an electrical arc. Typically, the arc results from either a phase-to-ground or phase-to-phase fault created by many possible events.