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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.
up vote 8 down vote accepted. Surge protectors and circuit breakers both cut off power during exceptional conditions, but they have different purposes and react to different events: Circuit breakers. Circuit breakers have only one job: to prevent the wiring inside your house from catching on fire. That's it, they do nothing else. They don't protect you from shocking yourself, or from lightning, or from your cat chewing through a power cord.