noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A device used on electrical and telecommunications systems to protect the insulation and conductors from the damaging effects of lightning. Typically, it has a high-voltage terminal and a ground terminal. When a surge travels along the power line to the arrester, the current from the surge is diverted through the arrester, in most cases to earth.
2. 2
   electrical device inserted in a power line to protect equipment from sudden fluctuations in current wordnet

Synonyms

All synonyms

arresterspike arresterspike suppressorsurge protectorsurge suppressor