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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.
This type of LPS protects the building from damage by direct strike lightning but doesnât prevent the lightning striking the building. This type of LPS can be divided into:-. 1  Conventional lightning protection system,  Non-Conventional lightning protection system.