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-   -   AC Subpanel has DP 40A while Main Panel has DP 30A (http://www.diychatroom.com/f18/ac-subpanel-has-dp-40a-while-main-panel-has-dp-30a-40256/)

unixb0y 03-13-2009 03:58 PM

AC Subpanel has DP 40A while Main Panel has DP 30A
 
I'm wondering why they did it that way.

wirenut1110 03-13-2009 05:28 PM

The circuit is protected with the 30 amp breaker. The 40 amp is just a disconnecting means. Most use a 60 amp non-fused pull out disconnect.

I think this sounds like what you're talking about.

dSilanskas 03-13-2009 08:33 PM

I don't think your talking about the main breaker.Your just talking about bearkers in general and if that is the case it doesn't matter.


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