Using mac pro on storms

hello,
I would like to know if I need to be extra careful using the Mac pro when occurring storms because of the lightnings on electricity. Someone told me that the Mac already has some kind of lightning protection but I want to be sure.
Thanks very much for your time

Rule of thumb, if you can hear thunder, shut down the computer, and unplug from the wall any cables linking to the computer. If you are away from your home more than 24 hours or the weather service has storms in the forecast for the day, do the same. That is unless you can guarantee lightning won't arc across points of least resistance.

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Using mac pro on storms

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