>On 7/31/01 at 10:21 AM -0400, tinman wrote:
>
>> Larry,
>>
>> That can be a dangerous practice & this is why. If you have a true surge
>> protector & not just an elaborate extension cord type of power strip, you
>> are shutting off it's ability to protect from surges when you turn it off.
>> In other words, the power on the strip is also for the surge protector, not
>> just the devices you have plugged into it.
>>
>> I suppose if it's not a true surge protector, then it won't really matter.
>> However, not having your equipment plugged into a good surge protector (I
>> prefer APC myself) is also a bad idea.
>> --
> > tinman
>
>I think our logic is getting a little bizarre here. Surge protection is
>passive -- you don't turn it on or off, you either have it or you don't. I
>suppose you could say that you lose surge protection when you unplug, too.
>There is certainly no unusual danger to unplugging, is there? How would
>turning off the power strip be any different?
Two reasons why it doesn't matter if it's on or if it's not.
1. If it's off, there is no completed circuit, therefore _most_
surges cannot even traverse to you power strip or power supply.
Granted, a significantly large surge (say, a lightning strike) could
more or less jump the open circuit and do damage. But then, if your
house suffers a direct strike, you _probably_ have more to worry
about than your computer. :) This is secondary to #2...
2. Surge protection is typically provided by an elaborate fuse (yes,
I'm simplifying a little). Whether or not your power strip is on,
that fuse is in the loop and giving you what protection it can.
I'm not an electrician, but I play one on TV. Well, actually, my
uncle is an structural engineer, designs oil drilling platforms out
in the ocean. I asked him about this one day. He gave me a more
technically correct answer than my explanation about..... but my eyes
started to glaze over about 3 minutes into the conversation. :)
HTH
Jeremy
--
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