[RE-wrenches] 120% rule applying to conductors

[William Miller]

Mac:

Nope.


William Miller

PS:  It's pretty straight forwards, the code says "bus or conductor."

wm

PPS:

Can  you customer live with a smaller feeder breaker, say 125 amps?  If so, 
your gold.

wm



At 06:43 PM 9/27/2012, you wrote:
>Hello wrenches,
>
>I am looking for advice on how the 120% rule applies to feeders for a 
>subpanel.  I have this scenario:
>150A bus rating on subpanel with main breaker of 100A.  The conductors 
>feeding this subpanel are 100A rated conductors.  Can I backfeed with a 
>40A breaker?
>
>Thanks
>
>--
>
>
>
>Mac Lewis
>
>"Yo solo sé que no sé nada." -Sócrates
>
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Miller Solar
Voice :805-438-5600
email: william at millersolar.com
http://millersolar.com
License No. C-10-773985
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