Sean, here's the kicker...
I don't know how to use one!
I've heard about fall-of-potential methods and the like, and I have been led to believe that the mega-expensive meggers designed for ground rods without external test rods are the most convenient.
How does one test grounding electrodes with an analog crank megger?
PS: Are you a journeyman yet, Sean?
[This message has been edited by sparky66wv (edited 10-01-2002).]