surge protector
nounUK /ˈsɜːdʒ prəˌtektə/
US /ˈsɜːrdʒ prəˌtektər/
A surge protector is a special power strip that keeps your electronics safe when the electricity suddenly jumps too high.
I plugged my computer into a surge protector so it won't break during a storm.
OTHER MEANINGS
2. A device that stops a sudden increase in electrical current from damaging connected equipment.
The surge protector absorbed the spike and saved the TV.
3. A strip of sockets with a built-in switch and protection circuit.
She turned off the surge protector before leaving the office.
4. A protective component used in industrial power systems to guard against voltage surges.
Engineers installed a heavy-duty surge protector on the main line.