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 ...

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 ...

Electricians face many challenges on the job, including shock, electrocution, arc flash, and arc blasts, all of which can cause lasting injuries or death. Construction electrical work is considered ...

It’s a force that can set clothing or skin on fire, send debris flying like shrapnel, melt metals, start fires or send a worker tumbling from a large height. An arc flash can kill or seriously hurt a ...

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 ...

Part 1 of this series addresses significant updates to arc flash hazard marking requirements found in the 2026 NEC Sec. 110.16 to improve the safety of all electrical ...

“When I looked back and saw that I had no pants on the back of my legs, and literally, the skin was hanging off my arms and my legs, I just knew something horrific had happened.” So begins the story ...

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 ...

According to OSHA, industrial arc-flash events cause 80 percent of electrically related accidents and fatalities among qualified electrical workers. A recent survey conducted by Littelfuse Inc.

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 ...

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 ...