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<blockquote data-quote="UNG" data-source="post: 560520" data-attributes="member: 8931"><p>Lightning protection as I was told many years ago by a guy in the techinal dept of a large well known lightning protection manufacturer is a dark art where doing nothing can be safer than installing a lightning protection system that could be more dangerous if a strike occurred</p><p></p><p></p><p>Given that the down lead / conductor on a lightning protection system is normally a 25 x 3mm copper tape (75mm² CSA) I think 6 or 10mm² might be somewhat under sized for the task.</p><p>I would suggest unless you have a good understanding of lightning protection and the placing of earth rods to minimise the risk of the step potentials that may occur during a lightning strike then my advice would be to leave well alone</p></blockquote><p></p>
[QUOTE="UNG, post: 560520, member: 8931"] Lightning protection as I was told many years ago by a guy in the techinal dept of a large well known lightning protection manufacturer is a dark art where doing nothing can be safer than installing a lightning protection system that could be more dangerous if a strike occurred Given that the down lead / conductor on a lightning protection system is normally a 25 x 3mm copper tape (75mm² CSA) I think 6 or 10mm² might be somewhat under sized for the task. I would suggest unless you have a good understanding of lightning protection and the placing of earth rods to minimise the risk of the step potentials that may occur during a lightning strike then my advice would be to leave well alone [/QUOTE]
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