It goes up. It goes down. Sometimes, it is thought to be infinite (although it isn’t), and other times, it seems impossible to find. The available short-circuit current from the electric utility is one of the more important pieces of information for an arc flash hazard calculation study.
The dog days of summer are upon us. It is vacation season, and employees are likely to spend more time outdoors on home-improvement projects and other leisure activities. With so much emphasis on job safety, it’s easy to forget that most injuries and illnesses actually happen away from work.