| a small device to protect a computer, telephone, television set, or the like from damage by high-voltage electrical surges. |
| surge protector n. A portable device containing electrical outlets that protects equipment plugged into it from a surge in current. |
| surge protector
A device, typically portable and containing its own electrical outlets, used to provide regulated electric power for other electric devices. Surge protectors get their power from standard household or industrial electrical sources and contain circuitry that prevents damaging or disruptive spikes or surges in the source voltage from reaching the devices plugged into them. |