An arc flash is defined as a hazardous explosion of energy from an electrical circuit, or a type of discharge that results from a low-impedance connection through air to ground or to another voltage ...

Companies in the arc-rated (AR) and flame-resistant (FR) clothing and personal protective equipment (PPE) industry recently launched The Partnership for Electrical Safety, an effort to ensure hundreds ...

This is the final installment of a three-part series on the importance of arc flash labeling of electrical equipment. In Part 1, which ran in the September 2011 issue, we considered the low-level task ...

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 ...

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 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 ...

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 ...

Tri-State Generation and Transmission requires its linemen to wear flame-retardant clothing and use the proper tools and personal protective equipment when working ...

A recent survey conducted by Littelfuse reveals that arc-flash safety is a priority among plant professionals and that protection technologies such as arc-flash relays are rapidly growing in ...

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 ...

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 ...

AQ-100 arc flash protection relays, arc light sensors, and light & pressure sensors. AQ-1000 resettable arc quenching device for low voltage applications of up to 690 V, as fast as 4 ms total arc ...