lightning arrester

noun

1. 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.

lightning arrester

noun

1. 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

Word History and Origins

Origin of lightning arrester¹

First recorded in 1855–60

Example Sentences

The chief minister had held a meeting last week and asked state officials to install lightning arresters at all government buildings, including schools and hospitals, The Times of India newspaper reported.

From BBC

Maintenance being done through Saturday on the so-called Big Tree in Rockport includes repair and replacement of parts of the lightning arrester system.

From Washington Times

A lightning arrester system was installed so if it was struck, the charge would be grounded, preventing severe damage to the tree.

From Washington Times

The simple principles of switchboard construction, the development of the switchboard, the connections of the various instruments, including the lightning arrester, are also plainly set forth.

From Project Gutenberg

Mr. Gibson understood the importance of lightning arresters, but was not prepared to apply them in his home.

From Project Gutenberg