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Lic Elect/Inspector/CPO
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369 Posts
using 12 for a min 30 ampac unit is allowed. As I stated before it is done all the time. While some may say pull 10 wire that is fine. I was just saying what is allowed by the code.
 

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1,893 Posts
using 12 for a min 30 ampac unit is allowed. As I stated before it is done all the time. While some may say pull 10 wire that is fine. I was just saying what is allowed by the code.
If the MCA is 30, you cannot use #12. You can put #12 on a larger breaker for motors and such, but the MCA has to be 25 or less amps.
 

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Registered
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1,893 Posts
using 12 for a min 30 ampac unit is allowed. As I stated before it is done all the time. While some may say pull 10 wire that is fine. I was just saying what is allowed by the code.
The smallest 100% rated breaker that I know of is 400 amps and goes into a 1200 amp switchgear.
 

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Electrical Contractor
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44 Posts
using 12 for a min 30 ampac unit is allowed. As I stated before it is done all the time. While some may say pull 10 wire that is fine. I was just saying what is allowed by the code.
Just because it is done all the time doesn't make it permissible by code.
 
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