Air terminals, the technical term for “lightning rods”, are usually slender metal rods just 10 or more inches tall. Yet other metal items can be used instead of air terminals if they meet the requirements of NFPA 780 – Standard for the Installation of Lightning Protection Systems. For example, this monumental bronze sculpture of a griffon, on top of the Philadelphia Museum of Art, is connected via cables to the lightning protection system and to ground. Learn more about the project by reading “Lightning Protection is a Work of Art” in the Fall 2016 edition of Building Enclosure Magazine.
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