What do a.m. and p.m. stand for?

lightning arrester

a device for preventing damage to radio, telephonic, or other electric equipment from lightning or other high-voltage currents, using spark gaps to carry the current to the ground without passing through the device.
Also called arrester.
Origin of lightning arrester
1855-60 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the web for lightning arrester
  • Transient voltage surge protection and lightning arrester devices shall be located on main service distribution equipment.
  • Additionally, the lightning arrester protection incoming to the mine should be tied to the utility ground or substation ground.
  • Lineman electrocuted after contacting a lightning arrester conductor while working from an aerial bucket.
  • Similar examples were given of lightning arrester and transformer replacement.
  • If a lightning arrester is present, remove its neutral and ground conductors from the neutral bar.
British Dictionary definitions for lightning arrester

lightning arrester

a device that protects electrical equipment, such as an aerial, from an excessive voltage resulting from a lightning discharge or other accidental electric surge, by discharging it to earth
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source

Word of the Day

Difficulty index for lightning arrester

Few English speakers likely know this word

Word Value for lightning

Scrabble Words With Friends