Many many years ago I was told that if you have an unknown voltage at a pair of terminals (don't know if it's ac or dc) with an analogue multimeter, then you should start by "testing" for dc first (on the highest range) then, if no dc voltage is indicated, switch to ac (on the highest range). Continue down the ranges till an accurate reading can be taken. Can anyone confirm this procedure for me, and even better tell me why?
Thanks in anticipation
gerryw
Thanks in anticipation
gerryw