NFPA 780 provides lightning protection system installation requirements to safeguard people and property from fire risk and related hazards associated with lightning exposure. It helps to become. . ystem for the building(s) or structure(s). The design of this system is to be in strict accordance with this section of the specific prior to commencement of the installation. Due to regional variations, the terms earthing and grounding may be used interchangeably. UL has developed this guide for use by code authorities, electric utilities, contractors, installers, users, system designers, and other interested parties to aid in understanding the basic components of. . When designing lightning protection systems, various parameters must be taken into account. It consists of the following five parts: The DEHN Risk Tool makes risk management. .