Rolling Sphere Method for Lightning Protection: Radius, Spacing & Standards
Rolling sphere method explained: sphere radius for LPS Class I–IV, max air terminal spacing, NFPA 780 vs IEC 62305, with diagrams and worked tables.
Rolling sphere method explained: sphere radius for LPS Class I–IV, max air terminal spacing, NFPA 780 vs IEC 62305, with diagrams and worked tables.