IEC 62561-3 Ed. 1.0 en:2012 Lightning protection system components (LPSC) - Part 3: Requirements for isolating spark gaps (ISG)
standard by International Electrotechnical Commission, 02/10/2012
Full Description
IEC 62561-3:2012(E) specifies the requirements and tests for isolating spark gaps (ISG) for lightning protection systems. ISGs can be used to indirectly bond a lightning protection system to other nearby metalwork where a direct bond is not permissible for functional reasons.