A lot can happen in two seconds. What may seem like the blink of an eye can feel like an eternity, especially during an arc flash. When calculating the incident energy as part of an arc flash study, sometimes the IEEE 1584 equations can produce unusually large values.
On the job, many electricians, linemen, wiremen and other construction-related workers will encounter or use a pneumatic-powered tool at some point. Pneumatic tools are powered by compressed air or compressed carbon dioxide (CO2) supplied by a small cylinder.