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Bonding Jumper Size

Neal Lewis

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If I'm reading my "bible" correctly, the size is from table 250.66 and is actually dependant on the size of the largest SEC's, rather than final service size. Assuming you have "normal" SECs for a 100-amp service the bonding conductor should be the minimum size from the table...#8 copper or #6 aluminum.

I have a hard time judging size from photos, but that looks a bit bigger than a #10.

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