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Old 12-19-2010, 08:41 PM   #1
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Drafty Service Entrance


Hi:

I have a 200 A main panel fed from an underground feed through 2" PVC.

There is a cold breeze coming through the PVC in the main panel between the (3) 3/0 copper feed cables.

What's the best way to stop this breeze from making its way through the PVC ? I was thinking about spraying some "good stuff" expandable foam between the cables, but thoughts I'd check here to make sure there isn't an issue with compatibility to the insulation.

I do realize that if I touch any main lugs, it would not make for a good day having this much unfused power flowing through my body.

Any advice is appreciated - thanks

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Old 12-19-2010, 09:02 PM   #2
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Drafty Service Entrance


Shoot it with spray foam insulation.

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