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Old 11-04-2010, 10:55 PM   #1
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AFCI and Amp Question


Quick two part question:
outside of the receptacles that require 20amp circuit, is it recommended that other receptacles throughout the house be wired with 12/2 on 20 or 14/2 on 15?

Second part: since bedrooms, dining and family room have to be AFCI protected (lighting included), can the outlets and lights in each room be run off the same 20 amp circuit (lights and outlet for 1st bedroom on 1 circuit, light and outlets for dining room on another...etc) or do lights need to be on 15 amp? If they can only be on 15 amp, can the lights for 2 bedrooms, dining room, and family room all be on the same AFCI protected circuit?

ok so maybe that is a 3 part question.

Just trying to figure out how many of those pricey AFCI breakers i need to get. Thanks for any help you can provide.

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Old 11-05-2010, 10:44 AM   #2
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AFCI and Amp Question


Adding your location to your profile would help greatly. Canada has different rules than in the US under the NEC.

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Answers based on the National Electrical Code. Local amendments may apply. Check with your local building officials.
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Old 11-05-2010, 11:39 AM   #3
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AFCI and Amp Question


Sorry thought I filled that out already. Im in North Carolina
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Old 11-05-2010, 01:27 PM   #4
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AFCI and Amp Question


I'm under the impression that it is recommended to wire receptacles 12/2 with 20A breakers. That is how I am rewiring mine. I'm not an electrician though.

Dining room needs to be on SABC that also serves kitchen.

Otherwise for part 2, I think the preference is generally to avoid mixing lighting and receptacles. Plus then you can use 14/2 + 15A for lights if desired.

Check this sticky:
NEC- National Electric code 2008

Good luck,
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