usually the power cables are used at the high voltage side
called as High Tension side. similarly on low voltage side
called as Low tension.
But in a transformer HT stands for High Temperature and LT
stands for Low Temperature.
my question is Megger of cable insulation or swgr board
meggerring some values in one day 50mohms,some other day
checking different values(20Mohms).
this tell that some person tell that that values ok.
how to identify the megger value is correct.
pls tell me the answer.