You can view the page at http://testguy.net/content/244-How-m...t-breaker-have
You can view the page at http://testguy.net/content/244-How-m...t-breaker-have
As usual, your information is extremely valuable and written so that electricians, technicians and maintenance personnel can follow right along. I call it "from the field" approach, not attempting to talk over our heads or trying to impress someone.
I did notice that you said "racking mechanisms are sometimes referred to as leveling mechanisms". I believe that the language used by some manufacturers is a "levering" mechanism.