Archives: Videos

2 Second Cut Off – IEEE 1584 – Arc Flash Studies

A 2 second maximum arc flash duration is a reasonable cut off based on IEEE 1584-2002. This is provided there is room for a person to escape during an arc […]

Power System Harmonics – What are They?

Power System Harmonics are multiples of a fundamental frequency typically 60 Hz. or 50 Hz. Non-linear loads are the biggest source of harmonics that can create serious problems on an […]

Arc Flash Studies Simplified

Arc flash studies should be simple. Jim Phillips shows how to use the incident energy to validate an arc rating selection of PPE.  His approach is to perform the arc […]