attached is a copy of the article from the March/April 2012 issue of Electrical Line Magazine (Vol.18, No.2) for those interested reading it.http://209.200.252.31/pdf/Incident-Energy.pdf
Skythian, follow the http://arcflashforum.com/threads/2221/ link to find the answer to your question. Indeed you are right, much less than 1.2 cal/cm2 suffice to cause second degree burn during very short time very intense exposure to arc flash. For example, only 0.3 cal/cm2 for a 1/100th of a...
