: a device for protecting an electrical apparatus from damage by lightning
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Later, Koepfinger served on the IEEE Standards Association Board and contributed to the development of IEEE standards for lightning arresters and surge protectors.—IEEE Spectrum, 24 Apr. 2025 While attending Auburn, then called the Agricultural and Mechanical College of Alabama, Hutchison patented a lightning arrester for use on telegraph lines.—Kelly Kazek | Kkazek@al.com, al, 23 Jan. 2020