[gui-talk] serge protectors

Wed May 14 15:46:05 CDT 2008

Okay. I looked at the Amazon product page. I see. We're up in the $100-$150 
range, here. Considering that my computer has gone down maybe twice over the 
past ten years in this apartment when someone blew a fuse in the building, 
and nothing bad happened because of that, I guess I'll pass. But if I'm ever 
hooked up; to medical equipment here at home, you bet I'll spring for one of 
these babies. Glad to have learned something about it.
----- Original Message ----- 
From: "Chris G" <chris at mysticplace.org>
To: "NFBnet GUI Talk Mailing List" <gui-talk at nfbnet.org>
Sent: Wednesday, May 14, 2008 9:51 AM
Subject: Re: [gui-talk] serge protectors

Hi,
I got it from amazon.com about 6 months ago.
Here's a model that sounds like mine.

I have the tower.
http://www.amazon.com/Belkin-Form-Factor-Battery-Backup-1000VA/dp/B0006N3FEY/ref=sr_1_3?ie=UTF8&s=electronics&qid=1210783636&sr=1-3

Chris

On Wed, 14 May 2008 11:27:14 -0500, "Ray Foret jr"
<rforetjr at comcast.net> wrote:

>Where did you get it; and, what model is it ETC?  One such as you describe
>sounds like exactly what I have been wanting.  Thanks.
>
>Sincerely,
>The Constantly BAREFOOTED Ray
>Phone:
>985-360-3375
>e-mail:
>rforetjratcomcastdotnet
>Skype Name:
>barefootedray
>
>----- Original Message ----- 
>From: "Chris G" <chris at mysticplace.org>
>To: "NFBnet GUI Talk Mailing List" <gui-talk at nfbnet.org>
>Sent: Wednesday, May 14, 2008 11:15 AM
>Subject: Re: [gui-talk] serge protectors
>
>
>I agree.
>I have a UPS that controls both my web server and my computer I use
>for work related tasks.
>both machines will shutdown gracefully if unattended.
>
>A voice announces that utility power has failed. If the computer is
>still operational when power returns a voice announces utility power
>has returned.
>
>
>Also the UPS will start to beep every few seconds or so.
>Chris
>On Wed, 14 May 2008 09:02:51 -0700, "Rose Combs" <rosecombs at qwest.net>
>wrote:
>
>>I totally agree about the UPS units.  To emphasize the point, I was doing
>>transcription at home one weekend, had both the transcription unit and the
>>computer plugged into the UPS unit.  My husband was using some electric
>>lawn
>>equipment and apparently he popped the circuit.  I was totally unaware he
>>had done it until he came in to tell me to stop  working and shut down,
>>because I was working on the UPS which had only about 22 minutes of time 
>>on
>>the battery.  At least I did not lose the 30 page document I was working
>>on.
>>
>>
>>
>>
>>Rose Combs
>>rosecombs at qwest.net
>>-----Original Message-----
>>From: gui-talk-bounces+rosecombs=qwest.net at nfbnet.org
>>[mailto:gui-talk-bounces+rosecombs=qwest.net at nfbnet.org] On Behalf Of Loy
>>Sent: Wednesday, May 14, 2008 5:19 AM
>>To: NFBnet GUI Talk Mailing List
>>Subject: Re: [gui-talk] serge protectors
>>
>>I would suggest that everyone should use a UPS on there computer equipment
>>rather than just a surge protector. This combines a surge protector and
>>battery backup. I have had instances of low power  where the UPS kicks in
>>and prevents the computer from shutting down. I had a problem with a 
>>copier
>>that caused low power when it was in use and the computer would shut down
>>because it did not get enough power. After connecting a UPS this was no
>>longer a problem, because the battery kicked in when this happened. I 
>>don't
>>know if low power could damage a computer like a surge , but I suspect it
>>could.
>>----- Original Message -----
>>From: "Joel Deutsch" <jdeutsch at dslextreme.com>
>>To: "NFBnet GUI Talk Mailing List" <gui-talk at nfbnet.org>
>>Sent: Tuesday, May 13, 2008 10:17 PM
>>Subject: Re: [gui-talk] serge protectors
>>
>>
>>Dave,
>>
>>Yes, you're right. In fact, I've never known that minor, perhaps
>>unnoticeable, electrical events can wear away the protective capability of
>>a
>>
>>surge protector. I wouldn't  mind knowing what sorts of events those might
>>be, and how you could be alert to recognize them when they occur. . I 
>>think
>>like most people, I only understand "surge" to be something like what
>>you're
>>
>>referring to as catastrophic, or at least dramatically noticeable. Like
>>there is a power outage in the whole neighborhood, and your computer dies
>>along with whatever other appliances and lights are turned on. Then the
>>power problem is fixed by the power company, and the first jolt of renewed
>>electricity is much stronger than the normal constant output, and fries
>>your
>>
>>computer and stereo amplifier unless you've either unplugged them or
>>they're
>>
>>plugged into a surge protector. In which case the surge protector 
>>circuitry
>>gets fried and you have to buy a new surge protector.
>>
>>That is all I thought this was about. I know nothing about there being
>>periodic surges of electricity no one would notice that nonetheless eat
>>away
>>
>>incrementally at a surge protector's functionality.
>>
>>So shoot me, Dave. What can I say. I never heard about the slow death sort
>>of surges.
>>----- Original Message ----- 
>>From: "David Andrews" <dandrews at visi.com>
>>To: "NFBnet GUI Talk Mailing List" <gui-talk at nfbnet.org>
>>Sent: Tuesday, May 13, 2008 7:04 PM
>>Subject: Re: [gui-talk] serge protectors
>>
>>
>>Joel:  Be careful about lecturing Lloyd (smile) he is an electrical
>>engineer.
>>
>>I think he was talking about small surges that cumulatively take away
>>the surge protection, while it seems like you are talking about a
>>catastrophic strike.
>>
>>Dave
>>
>>At 01:37 PM 5/13/2008, you wrote:
>>>Lloyd,
>>>I don't think that's what they were talking about. Everybody knows that 
>>>if
>>>a
>>>surge protector is forced to break the current during a power surge, then
>>>it
>>>loses its capacity to protect and needs to be replaced, even though of
>>>course it still can provide electricity to what's plugged into it. and
>>>just
>>>because you can't see the pilot light, that wouldn't matter if you knew
>>>you'd had a dramatic power surge, like a lightning strike. If that were 
>>>to
>>>happen, or the house current would go off and suddenly come back on, or
>>>that
>>>sort of thing, I'd certainly get a friend or neighbor to take a look at 
>>>my
>>>power strip and, if the light was out, install a fresh replacement.
>>>----- Original Message -----
>>>From: "Lloyd Rasmussen" <lras at loc.gov>
>>>To: "NFBnet GUI Talk Mailing List" <gui-talk at nfbnet.org>
>>>Sent: Tuesday, May 13, 2008 11:26 AM
>>>Subject: Re: [gui-talk] serge protectors
>>>
>>>
>>>As far as I know, surge protectors can fail in a way that you cannot
>>>detect
>>>without sight.  Failure can occur if there was a nearby lightning strike
>>>or
>>>other sudden spike of voltage on your AC outlets.  The metal-oxide
>>>varistor
>>>or other device inside the unit is supposed to short much of that charge
>>>out, so your computer is not exposed to it.  But it can only do this a
>>>limited number of times.  An L E D on the power strip may change color or
>>>go out to indicate that the surge protection function is no longer
>>>working.  But the strip will still supply unprotected power.
>>>
>>>This is not a matter of aging, but only a matter of exposure to large
>>>electrical surges.
>>>
>>>Having said all this, I have never had one of my surge protectors
>>>inspected
>>>to see whether it has sustained damage or not.
>>>
>>>At 02:07 PM 5/13/2008, you wrote:
>>> >Denise --
>>> >
>>> >If Best Buy, and every other retailer for that matter, could convince 
>>> >us
>>> >of
>>> >it, they would have us replace everything we own as frequently as
>>> >possible,
>>> >just to keep their bottom lines as profitable as possible.
>>> >
>>> >As for the surge protector going bad, yet still providing output power,
>>> >that
>>> >comes as quite a shock to me.
>>> >
>>> >It sounds to me like the technicians there simply don't know what 
>>> >caused
>>> >the
>>> >problem in the first place, so they're coming up with a bogus excuse to
>>> >explain away their ineptness.  And if your computer is still under
>>> >warranty,
>>> >then you'd better believe that they're trying to find some way of
>>> >blaming
>>> >you and your equipment for being at fault, so they can charge you some
>>> >real
>>> >bucks to repair or replace your computer.
>>> >
>>> >-- George
>>> >
>>> >
>>> >Denise avant recently said ...
>>> >
>>> >"i recently had to take in my computer TO BEST BUY FOR REPAIR. I WAS
>>> >told
>>> >that some hardware inside of the computer may be causing my problem. 
>>> >and
>>> >the
>>> >damage to the hardware in the computer may have been caused by my serve
>>> >protector going bad. i explained that i had the protector for about 5 
>>> >or
>>> >6
>>> >years, and i was then advised that a replacement every two years was
>>> >adviseable. so thus my question.
>>>
>>>Lloyd Rasmussen, Acting Head, Engineering Section
>>>National Library Service for the Blind and Physically Handicapped
>>>Library of Congress    (202) 707-0535   <http://www.loc.gov/nls>
>>>HOME:  <http://lras.home.sprynet.com>
>>>The opinions expressed here are my own and do not necessarily represent
>>>those of NLS.
>>>
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>>
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