1.1 These requirements cover the installation of lightning protection systems on all types of structures other than structures used for the production, handling, or storage of ammunition, explosives, flammable liquids or gases, and other explosive ingredients including dust.
1.2 These requirements apply to lightning protection systems that are complete and cover all parts of a structure. Partial systems are not covered by this standard.
1.3 This standard does not cover lightning protection for:
a) Electric transmission lines or open air distribution racks,
b) Outdoor substations or switch yards, and
c) Electric generators unenclosed by a building other enclosed structure.
1.3.1 Enclosed generators and conventional building structures at or associated with generators or power plants, etc. are covered.
1.4 These requirements do not cover lightning protection components, which are covered by the Standard for Lightning Protection Components, UL 96.