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 ...

Why perform an arc flash study, label the equipment, and require employees to wear personal protective equipment (PPE)? Many companies want an arc flash study to meet ...

OSHA has increased compliance activities related to electrical safety regulations and standards in the past few years. This began with the heightened interest in arc flash hazards starting with the ...

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 ...

Every day, an estimated five to 10 arc flash incidents occur and more than 2,000 people are hospitalized each year, according to The National Fire Protection Association (NFPA). With arc flash and ...

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.

An arc flash occurs due to a phase-to-ground or phase-to-phase short circuit. The extreme heat, light, and pressure blasts associated with these events make it necessary to take precautions when ...

Greg A. Quick is a manager in Product Marketing/IE Product Management for Rittal Corp. For systems designers, and facility and maintenance engineers, no responsibility is more critical than that of ...

Remember that ignorance of these regulations will not work as a defense of an OSHA citation or when answering questions in a tort case following an electrocution. OSHA has increased compliance ...