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In The Middle Of A Lightning Storm As I Type


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6 replies to this topic

#1 brillo

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Posted 28 March 2006 - 05:54 PM

OK, I'm turning this machine off and unplugging it as soon as I get done here. Storm is coming from the south, based on thunder/lightning time difference, I figure I have five minutes. What's the best protector(s) and what do I do in future to protect machine if its on/online and I'm not here to shut it down?? bye.

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#2 Lanscader

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Posted 28 March 2006 - 06:38 PM

I use a surge protecting power strip, though we used to have a backup battery. With the power strip, the more joules it's rated for, the better protection it provides. I don't really think brand matters all that much (mine is Power Sentry), but APC is one of the best known brands for UPS systems and the like.

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#3 oldf@rt

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Posted 28 March 2006 - 11:06 PM

I use APC back up batteries.
The name says it all -- 59 and holding permanently

**WARNING** Links I provide might cause brain damage

#4 Enthusiast

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Posted 29 March 2006 - 12:09 PM

The APC ( or other) battery constant power supply is the best protection as it protects not only against surge but power interruption which can be just as damaging.
You do not need the biggest and baddest - just one large enough to power your computer off if the power disruption lasts more than a minute or two.

Some come with configurable software to shut down the computer if the power is disrupted.

#5 Herk

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Posted 30 March 2006 - 04:08 PM

One of the most important reasons for using an Uninterupted Power Supply instead of a surge protector is that surge protectors have what's called an MOV in them. (Metal Oxide Varistor) This takes one good hit and then fails without telling you that it's no longer protecting. The UPS will provide clean power to the computer, free from brownouts and blackouts (for a short period) and it will extend the life of your power supply.

#6 Lanscader

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Posted 31 March 2006 - 01:11 AM

Actually, the one I have has a "Protecting" light that is supposed to go off after the MOV fails. Never tested it, though.

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#7 Rimmer

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Posted 31 March 2006 - 04:30 AM

There are at least two seperate problems which need to be guarded against during lightning storms:
1. Electrical surges or brownouts on the power lines.
These can be effectively combatted by using a UPS.
2. Electrical surges coming down the communications wiring.
To prevent these you need a communications surge protector - as Lanscader said they come in different joule (energy) ratings - the higher the better, often the ratings are split into domestic quality, industrial quality etc. The brand is not important as far as protection goes but some brands will offer you free insurance cover if something does get destroyed - what hoops you have to jump through to collect I don't know. :thumbsup:
(If you're on an optic fibre or wireless connection at this point your laughing.)

If lightning strikes close enough to your home your computer will be damaged no matter what surge protection you have, even if it's not plugged in there can be induced voltages from a nearby strike high enough to damage components but a surge protector is a heck of a lot better than nothing.
:flowers:

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