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.

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

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

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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.

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

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