There are lots of books on the subject and plenty of examples visible around major electrical installations of how to prevent damage by lightning. Lightning occurs when there is a large charge difference present, normally caused by rain carrying electrons from clouds to ground. If there is no path to deplete the charge and when the charge is great enough, the electrons go back to the more positively charged area of the clouds above. The strike is from ground to cloud. The use of several ground rods tied together and connected to power grounds, water pipes, gas pipes, and the antenna system tends to deplete the charge to the earth, preventing the strike. Unplug, disconnect and ground your equipment. During an electrical storm stay away from doors, windows and chimneys. Get in your vehicle and close the doors.
Safety! Will Gray, KB7QL
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