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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.
It is a common misunderstanding that surge protectors will protect systems from lightning, the most familiar source of power surges. Even the most effective surge protectors can not protect equipment from the sudden increase in electrical pressure of millions of volts that lightning can supply.ow it Works. A surge protector works by channeling the extra voltage into the outlet's grounding wire, preventing it from flowing through the electronic devices while at the same time allowing the normal voltage to continue along its path.