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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.
Do lightning rods really work? Everyone learns about lightning rods in grade school. There is the heavy-duty kind on skyscrapers that takes the brunt of bolts and conducts them safely to ground, and the delicate, sharply pointed ones that protect residences by bleeding off electric charge and preventing strikes.