Jim Phillips recently replied to another thread in this section that a revision to IEEE 1584 is still several years away.
The next edition of IEEE 1584 is a few years away yet. We are presently evaluating a new model for the next edition and there is also still some testing going on such as with actual equipment. - See more at:
http://arcflashforum.brainfiller.com/threads/ieee-1584-1-is-now-available.3192/#sthash.WHhibVje.dpuf