Power surges are sudden increases in potential energy that can overload electrical circuits, appliances, and electronics in your home. They can occur for several reasons and it is a good idea to take measures protecting your home from them. Power surges can damage electronic components and even totally fry items, like computers.
The most common cause of electrical surges is lightning. A lightning strike, even just near a power line, is enough to increase the nearby electrical currents by millions of volts. Most conventional surge protectors in your home cannot withstand the surge from a lightning strike, so the best way to save sensitive electronics like computers is to unplug them until after the storm passes.
Power surges can also be caused by some demanding appliances in your home. Refrigerators and air conditioners require a boost of electricity when turning on compressors and fan motors. These types