A megger is slang for a megohmmeter. In fact, a company sold their megohmmeter
under the trade name "Megger". This is also known as a hi-pot( or
high-potential)tester. We use them every day in our manufacturing plant to
check out the AC input to our equipment to insure that we don't have AC or DC
leakage to ground. I used to check coax cables up to 40 kV. X-ray units have to
be megged at up to 300 kV.
TowerTalk mailing list