Any catastrophe that can knock out power lines, or damage utility poles can cause a blackout. In addition, there is a strong possibility for data corruption, and damage to the hard drive of your computer. Possible loss of saved work on your computer in another effect of a blackout. This electrical noise disrupts the smooth sine wave one would expect from utility power. It may be intermittent or constant.
Line noise introduces glitches and errors into executable programs and data files.
Power disturbances are very common and consumers must realize the potential for damage. The smartest and easiest way to protect your valuable, household electronics and computer devices is with a Belkin UPS or Surge Protector . Failure to properly connect your electronic devices to one of these units can result in damaged equipment, down time, and financial loss. The more MOV's a surge protector contains, the higher the joule rating. A sidactor will actually switch open when a surge occurs.