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Electrical Contains discussions about electrical systems. This includes outlets, panels, wiring, et cetera.

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  #1  
Old 10/13/07, 10:48 PM
William E. Siegel William E. Siegel is offline
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Default Brain Freeze
Ok, its been a long day and i may not be thinking properly, but what is the smallest wire size (copper) that can be used on a 150 amp breaker. I am thinking it is 1/0. I saw #1 AGW today and need to know if it is acceptable.

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  #2  
Old 10/13/07, 10:55 PM
Linda J. Foster's Avatar
Linda J. Foster Linda J. Foster is offline
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Default Re: Brain Freeze
From my handy dandy code check book
150 breaker - 1/0 awg cu
150 service conductor- 1 awg cu
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Old 10/14/07, 12:17 AM
Paul Dickerson Paul Dickerson is offline
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Default Re: Brain Freeze
Was the wire feeding a main breaker, or was this a branch circuit wire?
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Old 10/14/07, 9:20 AM
William E. Siegel William E. Siegel is offline
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Default Re: Brain Freeze
main breaker
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  #5  
Old 10/14/07, 10:13 AM
Speedy Petey Speedy Petey is offline
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Default Re: Brain Freeze
What Linda said.
#1cu is typical to feed a 150A service panel.
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