Complete IEC 62305 lightning protection guide covering risk assessment (Part 2), LPS classes I-IV, rolling sphere method, down conductors, air termination, and SPD selection. The purpose of NFPA 780 is to provide for the safeguarding of persons and property from hazards arising from exposure to lightning. The scope is limited to covering traditional lightning protection systems that are installed on: Chapter 1 of NFPA 780 covers the aforementioned items but also delves. The Unified Facilities Criteria (UFC) system is prescribed by MIL-STD 3007 and provides planning, design, construction, sustainment, restoration, and modernization criteria, and applies to the Military Departments, the Defense Agencies, and the DoD Field Activities in accordance with USD (AT&L). SUMMARY OF REVISIONS: This directive supersedes NWSM 30-4106, “Lightning Protection, Grounding, Bonding, Shielding, and Surge Protection Requirements”, dated July 16, 2014. Changes made to reflect the NWS Headquarters reorganization effective April 1, 2015. When it comes to lightning protection, the difference between “safe and effective” lightning protection and “unsafe and ineffective” lightning protection is ultimately related to which. Our products can protect structures such as antenna towers, windmills and wind farms, tanks, drill rigs, field camps, monitoring installations and many more. Our systems and equipment comply with appropriate aspects of UL, ANSI, NFPA, and relevant military/industry standards. LBA expertise goes. A look at the basic components of lightning protection systems and what is required to support a reasonably safe and code-compliant installation. At its core, lightning is a massive electrical spark between either the cloud and ground, ground and cloud, cloud and cloud, or cloud and upper.