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NFPA 780-2020

NFPA 780 Standard for the Installation of Lightning Protection Systems, 2020 edition

This document shall cover traditional lightning protection system installation requirements for the following: (1) Ordinary structures (2) Miscellaneous structures and special occupancies (3) Heavy-duty stacks (4) Structures containing flammable vapors, flammable gases, or liquids that can give off flammable vapors (5) Structures housing explosive materials (6) Wind turbines (7) Watercraft (8) Airfield lighting circuits (9) Solar arrays  This document shall address lightning protection of the structure but not the equipment or installation requirements for electric generating, transmission, and distribution systems except as given in Chapter 9 and Chapter 12. This document shall not cover lightning protection system installation requirements for early streamer emission systems or charge dissipation systems.

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National Fire Protection Association [NFPA]


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