Eaton recently put together a short Arc Flash video that highlights many of the analogies that are used to raise awareness for this important issue.  It’s posted on their website and you can link to it directly here http://bcove.me/5xxmduxc

Dan Carnovale, P.E., a Power Systems Experience Center Manager with Eaton tells us:
I thought that it would be a valuable resource for your readers as I know many of them are presently going through arc flash programs for their facilities (or their customer’s facilities).  With the new OSHA regulations in 2015, companies can no longer wait to implement a program to ensure proper training and work practices.  I know from a personal standpoint, I’ve done many things early in my career in the field taking power quality measurements that I wouldn’t attempt today as I have become aware of the dangers and risks associated with arc flash incidents and although most people would agree, there are still many who haven’t been personally affected or involved with an arc flash incident and still may not recognize the risks. 

Mike Holt’s comment:  In 1975, I drilled out and re-thread a cross-threaded bolt on the line-side of service equipment while it was energized. This was before we had any knowledge and studies on this topic. Watch the following video - http://www.youtube.com/watch?v=g_mzKyze4Vk.