lightning arrester

English

lightning arrester (plural lightning arresters)

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.

单词	lightning arrester
释义	lightning arrester English Noun lightning arrester (plural lightning arresters) 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. Synonyms lightning discharger See also lightning bridge lightning conductor
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