Cleaning up lightning rods


Old 04-29-17, 04:18 PM
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Cleaning up lightning rods

I was wondering if you should polish up the old lightning rods or if the corrosion really matters as far as protection goes? I'm finishing up collecting the lightning rods and globes for my house to have installed along with my new roof and wanted to make sure they are still functional despite the corrosion on them.
Old 04-29-17, 04:32 PM
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You did not say what the rods are made of so it's hard to offer specific advice as far as cleaning them up. But, a bit of corrosion isn't going to slow down lightening. They will still function as long as they have a good connection to their bonding/grounding wire and even if they don't have a good connection lightening will still blast through.
Old 04-29-17, 04:36 PM
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They are the old copper rods.
Old 04-29-17, 04:43 PM
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Did you check with the installers ?
They are very specific and demanding with their requirements.
Old 04-29-17, 09:00 PM
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Maybe stop and ask one of the power company guys when they are out polishing the electrical wires if it makes a difference or not.
Old 04-30-17, 04:19 AM
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So that's what the power company guys are doing when they all park under some shade trees - getting their polishing equipment ready

Seriously, copper is going to oxidize. I would clean up the connection points prior to installation. As PD stated as long as all the connections are tight and it has a good ground, lightning doesn't care if it's shiny.

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