The five NFPA 70E boundaries include arc flash, limited approach, restricted approach, hearing protection, and lung ...

Working in open environments presents challenges for containing electrical hazards. Here’s what to keep in mind in order to keep workers safe.

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 ...

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 ...

In the electrical industry, and the workplace in general, the phrases "arc flash" and "hazard risk analysis" are generating much interest and attention. Many managers and supervisors are asking "why ...

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.

Arc flash is the term describing an extremely dangerous electrical hazard when uncontrolled current passes between two conductors. When voltage is high enough (over 480V), the intense heat of the arc ...

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 ...

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 ...

An arc flash is one of the most serious electrical hazards that can occur in a workplace. The immense energy released – heat up to 35,000 degrees Fahrenheit 1 – is an alarming danger to people close ...

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 ...