dont know how to test, but most good units have a "the MOV is shot" indicator of some sort already built in to the unit. jco
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Feroze Sent: Friday, June 15, 2007 7:50 PM To: Pentax-Discuss Mail List Subject: Re: Lightning proof? Thanks, didn't know that...how do you test if a surge protector is working other than the obvious way... Do UPS's also have mov's? Feroze J. C. O'Connell wrote: > mov's get "used up" (not quite same thing as going bad, since this is > inherent ) due to a number of small surges or one big one, leaving you > with NO mov in effect. jco > > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf > Of graywolf > Sent: Friday, June 15, 2007 7:19 PM > To: Pentax-Discuss Mail List > Subject: Re: Lightning proof? > > > Sometimes a surge partially gets past the first MOV. Also sometimes > MOV's go bad. Just extra insurance in other words. > > MOV is short for Metal Oxide Varistor and is is the semiconductor > inside the unit that actually deals with the surge. > > -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net
