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Joined: Sep 2005
Posts: 472
Member
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Member
Joined: Sep 2005
Posts: 472 |
PVC...Why? It's cheaper, it's easier to work with, and it doesn't corrode. Steel inside for plenum enviroments, firewall penetrations, etc...
If you use steel outside it is always good to ground when possible but it is not always required. If it is within the buildings shadow of protection you shouldn't need the ground.
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