A portmanteau of variable resistor, the varistor is the active semiconductor in many surge protection devices that stops power surges. It is a voltage dependent resistor (VDR), meaning it operates in a non-conducive (or standby) mode until a higher than normal flow of electricity passes through it. The higher the voltage entering the varistor the [...]
What Is A Surge Protector And Why Do You Need One?
The most common use for a surge protector is for people with a personal computer who need to plug many cords into one outlet. Often times it is referred to as a power surge strip or a surge suppressor. If you own a desktop computer then you know your two-pronged wall outlet is unable to [...]
