A structure, such as a tower, that serves as a lightning arrester.

Related Terms

BONDING CONDUCTOR

A normally non-current-carrying conductor used to connect the non- current-carrying metal parts of a boat and the non-current-carrying parts of the direct current devices on the boat to the boat's common ground point for purposes of reducing hazards of stray-current corrosion, lightning and accumulated static, and to reduce radio noise.

ST ELMO'S FIRE

A form of lightning or static discharge sometimes seen as a glowing halo around ships' rigging.

LIGHTNING

The sudden electrical discharge caused when the negative charge in the lower part of the cloud and the positive charge in the upper part become so great that a discharge takes place.

CERAUNOGRAPH

An instrument that detects radio waves generated by lightning discharges and records their occurrence.

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