But with the possibility of greater power instability and rolling blackouts, it becomes much more important to protect our equipment. The most dangerous type of power fluctuation is the surge or spike , which can cause computer crashes and in extreme cases, can fry your modem and burn circuitry. You can purchase a surge protector or suppressor to guard again this type of damage. Although these terms are sometimes used interchangeable, they are different products and provide varying levels of protection. A surge protector contains a fuse that blows when it takes the brunt of an electrical surge, rendering it useless except for use as a power strip.
Surge suppressors offer ongoing protection.
They repeatedly limit the magnitude of spikes and surges and consequently cost considerably more that surge protectors. Both devices can be purchased at local office supply stores or via catalog or the internet. They vary widely in features and price but offer surge protection and allow you time to save your data and safely shut down your computer. APC , one of the leading producers of UPS, had a great web site with information specifically for California residents and suggestions on how you can protect your computers while saving power. Although we live in an area that has few lightening storms, a close lightening strike can destroy your computer even if it is turned off so if you are going to be away from your home or office an extended length of time, just pull the plug.