I would like to home run a 12/2 cable to a switch box controlling a chain of outlets. From this box I'd like to run 14/3 to switch control the bottom half specific outlets. Per code, can the home run be connected to an AFCI? Have I violated any rules with this scheme?
Md Ariful Islam
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Dr. Md Rushad Rahman
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It depends on local ordinances. Here in San Antonio, what you just described would be a violation of our local code, because nothing smaller then #12 wire is acceptable. Just remember, a 20 amp breaker is for wire rated for 20 amps, hence the #12. If the code allows #14 wire then you must protect it with a 15 amp breaker.
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