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  • Users: Barbicane
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  1. Barbicane

    Does a high percentage of steel prevent lightning damage?

    The Electrical Engineers want to spend less on lightning protection by using the legs of self supporting towers, 40 to 80 feet high as the down conductors. This has been allowed by NFPA-780 for years. The National Electric Code has permitted the use of rebar as a grounding electrode for...

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