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Lightning protection systems - What they do and don't do. A lightning protection system's only purpose is to ensure safety to a building and its occupants if lightning happens to hit it directly, a task accomplished by providing a good, safe path to ground for the lightning to follow.
Note that no device can guarantee protection from a direct hit of a lightning strike. But this product when used in conjunction with surge protection and proper system grounding will reduce consequences of such a strike. And it will virtually eliminate damage from other (non-direct) lightning strikes.