[gui-talk] serge protectors

Wed May 14 17:09:39 CDT 2008

What's a JPS? What's an APC?

----- Original Message ----- 
From: "Rose Combs" <rosecombs at qwest.net>
To: "'NFBnet GUI Talk Mailing List'" <gui-talk at nfbnet.org>
Sent: Wednesday, May 14, 2008 2:46 PM
Subject: Re: [gui-talk] serge protectors

I just got a JPS for my vista computer today at Staples for $680.  It is an
APC and they started from 447 up.

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 Joel
Deutsch
Sent: Wednesday, May 14, 2008 1:46 PM
To: NFBnet GUI Talk Mailing List
Subject: Re: [gui-talk] serge protectors

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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>
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