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Article #19932

surge suppresors - what does all this jargon mean?

#19932
From: Edward J. Hartnett
Date: Mon, 25 Jan 1993 15:32
43 lines
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I'm in the market for a surge suppresor/power supply type thing, and
the jargon is a little confusing. Since I live in Boulder Colorado
(LOTS of lightning in the spring), and I'll have a good amount of $$$
worth of computers plugged in, this is important. On the other hand, I
don't want to waste a lot of money.

Some of these babies in computer shopper say they provide EMI/RFI
protection, some come right out and say surge protection. Can I assume
that those that don't mention surges don't protect against them? I
assume that the EMI/RFI stuff just protects against minor EM and RF
interference, but not against something light lightning. Is that true?

I want to also protect my phone line. Does anyone know where I can get
a good protector for that as a stand-alone thing? Any reason not to
install it right where the phone lines come into my house? (Why not
protect my expensive cordless phone too, right?)

I have an ad here for a surge protector for $70 which is one of those
things you put under your monitor and has switches for all your
devices and plugs on the back. It includes a phone jack surge
protector, and also a volt-meter built in that shows the line voltage
all the time. I like this feature. Is this a good price? Anyone else
ever hear onf one of these things with a voltmeter? Anywhere else I
can get one?

My boss bought a surge suppresor for work that says it protects aginst
spikes of up to 6000 volts. Is that standard? Too little? Too much?

Also it says it filters EMI/RFI on all three lines (hot, neutral, and
ground). Is that typical? Should I look for this feature in whatever I
buy?

One final question. Would I be better off buying two cheap ones and
hook them up in series with my computer? It seems to me this would
give the maximum protection. Am I wrong?


Please email your replies and I'll post a summary. Thanks.
--
	Don't blame me, I voted against Amendment 2!

Edward Hartnett				ejh@khonshu.colorado.edu
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Path: arc1-ca.pugleaf.net!sparky!uunet!boulder!colorado.edu!ejh
From: ejh@khonshu.colorado.edu (Edward J. Hartnett)
Subject: surge suppresors - what does all this jargon mean?
Message-ID: <EJH.93Jan25153204@khonshu.colorado.edu>
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Organization: CIRES, University of Colorado
Date: 25 Jan 93 15:32:04
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