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Lightning protection systems. Lightning can easily damage a number of different building materials, and the large electrical currents can cause fires within the interior or even side flashes. Side flashes are small explosions of highly pressurized, super-heated air that occur inside the nooks and crannies of structure materials.
Types Of Lightning Protection Systems LPS. In Article  Introduction to Lightning System Design- Part One , I listed all terms, abbreviations and Symbols used in lightning field and which will be used throughout Course EE-5: Lightning Protection Systems Design Calculations.