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cool cat
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339 Posts
Discussion Starter · #1 ·
I want to run #1 Al ser cable (4 conductor) to feed a 100 amp sub panel, in a residential setting .Since it is not NM I assume I can use table
310.15(B)(16) 75 degree column which allows me to put this sub feed on a 100 amp breaker.Is my reasoning right? What code reference directs me to SER cable.Article 338.10 (4) tells me to use the 60 degree column if installed in thermal insulation.I am running this thru a crawl space and up some interior walls with no insulation around the wire.Does this sound like a compliant installation?
 

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cool cat
Joined
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339 Posts
Discussion Starter · #4 ·
Yeah I'd like to run # 2 ser as it would be a lot easier to work with , but it is a kitchen being remodeled including an electric range and some baseboards upstair ,tearing out some old kitchen circiuts might be able to splice them but it was impossible to tell because it was a homeowners special wiring job ,it was a mess 4 to 5 12-2s to at least 3 single gang boxes.Wire laying on the ground in the crawl space.:blink:
We are using the 2011 code in Mn right now.Don't have room in the existing 20 space 200 amp service panel.
 
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