In the 2012 National Electrical Safety Code, the approach for arc flash below 1,000 V has changed. Now, utilities will have to review arc flash on distribution secondary equipment. The two main ...

An electrical arc flash can occur when someone is verifying the presence of voltage, checking the balance of current, operating a switch, inspecting an energized cable or bus connections during ...

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 ...

Since the inception of the NFPA 70E 2000 Edition 10 years ago, there has been a major evolution in our understanding of the electric arc flash hazard. NFPA 70E has been revised twice and is now in ...

Assumptions and complacency are two of safety’s worst enemies. If the following story hits uncomfortably close to home for you, it will have served its purpose. In January 1993, two employees were ...

Sam (the name has been changed) worked for an electric utility. He was working near energized equipment and wearing arc flash gear as he cleaned up oil from a transformer. Because the oil might ...

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 ...

Arc flashes present a serious hazard involving electrical equipment that is more common than many would believe. Due to OSHA’s reporting requirements for arc ...

We’re all thinking about power – whether it’s having enough of it, delivering it where it’s needed, or building the right infrastructure to scale faster, denser, and smarter in the age of artificial ...

In the electrical industry, particularly within data center environments, arc flash studies have long been associated with one primary goal: safety. For years, facility owners and managers have ...

Industrial companies have put a greater focus in recent years on addressing a top electrical safety risk: arc flash events. Arc flashes can be created by a wide range of actions, from a dropped tool, ...

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 ...