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About Dale
Expertise
Trouble shooting electricial problems, house wiring

Experience
25 years

Education/Credentials
electricial maintenance 1970, licensed contractor 20 years

You are here: Experts > Home/Garden > Home Improvement/Repair > Electrical Wiring in the Home > Wiring

Electrical Wiring in the Home - Wiring

Expert: Dale - 10/8/2007

Question
Our AC unit is 40amp...the breaker is 40amp..the wire between the two is 30amp...Our builder's AC man says that is code...Our inspector says it's not.
Can you help?

Answer
Hi Deborah,
What is the name plate amperage on the A/C unit They are normally less than 30 A. The code does allow a 40A breaker on 10 gage (30A wire) on some A/C systems where that is what the manufacturer calls for. It should be listed in the paper work or on the name plate for the A/C unit.
Dale

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About Electrical Wiring in the Home
This site answers questions related to home electrical wiring, home wiring, general electrical help,and other electrical questions related to aleternating current (AC). You can find help on the National Electical Code, home electrical issues, wiring electrical outlets, installing lighting, electrical grounding, and general electrical help for do-it-yourself projects not require an electrician. If you do not see your home electrical wiring question answered in this area then please ask your electrical wiring question here