Phase Rotation in a Three Phase System

[ATSman]

While writing a field service report after assisting in connecting a portable genset to a hospital (one of the generator's voltage regulators got fried!) I came across this article that gets to the core of the subject that has been discussed over and over again and pretty much beaten to death.
I think some of you will also find it informative

http://www.marcspages.co.uk/pq/3120.htm