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.
(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.
Soltek QBIC, Pentium 4 3.0GHz, 512MB RAM, 200GB SATA HDD, ATI Radeon 9600XT 256MB, Netgear 54Mb/s WAP, ridiculously expensive Satellite Broadband
Windows XP Home SP2, Trend Micro Internet Security, Firefox, Thunderbird, AdAwareSE, Spybot S&D, SpywareBlaster, A-squared Free, Ewido Security Suite.