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 ...

While the threat of shock and electrocution from inadvertent contact with energized parts has long been recognized, the arc flash and arc blast hazards have only fairly recently been incorporated into ...

Reducing personal injuries from arc flash events should be the main goal of any arc flash hazard assessment. Many facilities have locations where the arc flash energy levels are extremely high. These ...

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

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 ...

Providing a safe and effective means for local control to mitigate the arc-flash danger in circuit-breaker operation, the company’s Time Delay Control Switch Relay (TD-CSR) relies on a manually ...

Failures can occur in the electrical disconnect switches, fuses or circuit breakers that control, protect and isolate electrical equipment in electrical power systems, also known as switchgear. When a ...

Arc flash is dangerous to life, as well as causing delays and downtime. Here’s how to cut your risk Arc flash is a real risk in data centers. Arc flash incidents have killed and injured personnel, ...

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 ...

Chris Crosby is passionate about this industry. His company Compass Data Centers will write a check for $100,000 to any client that doesn’t get a fully operational data center within six months. So ...

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 ...

De-energizing equipment does not absolve the facility from the responsibility of performing an arc flash analysis or providing the necessary PPE. While the threat of shock and electrocution from ...