Noun: lightning arrester 'lIt-ning u'res-tu(r)
- Electrical device inserted in a power line to protect equipment from sudden fluctuations in current
"The lightning arrester prevented damage to the building's electrical system during the thunderstorm";
- surge suppressor, surge protector, spike suppressor, spike arrester
Derived forms: lightning arresters
Type of: suppresser, suppressor
Encyclopedia: Lightning arrester