You are ABSOLUTELY WRONG on this Elden! Moving the UPS a goodly distance (Say 15,000-20,000 km) away would surly stop the buzz! Dave PS, Jerry, I'll be sending you a bill for my advice! On Apr 21, 2010, at 7:32 PM, Elden DuRand wrote: > Jerry: > > I agree that moving the UPS most likely won't cure the problem. > > Take care - Elden