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Kevin, Licensed Electrical Contractor
Category: Electrical
Satisfied Customers: 3721
Experience:  30 years Licensed Electrical Contractor in Illinois, Adjunct College Electrical Instructor, Former Electrical Inspector, Diploma: Digital Electronics, FCC Technician License
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Just bought a portable air conditioner listing a 115 volts

Customer Question

Just bought a portable air conditioner listing a 115 volts and 15 amp. Can I plug this into a 110 volt reciptical
Submitted: 2 years ago.
Category: Electrical
Expert:  Kevin replied 2 years ago. name is ***** ***** I will be happy to assist you with your electrical question. My goal is to exceed your expectations on Just Answer!
1) Depends on what you have in place.
2) This A/C unit has a 12 amp load and pretty much requires a dedicated 15 amp circuit with no other shared loads. If any other shared loads reside on the 15 amp circuit, the shared loads need to be un-plugged and/or lighting turned OFF as the 15 amp required circuit breaker will most likely overload if the A/C unit and any other connected loads are running simultaneously on a shared circuit. I recommend that this A/C unit reside on it's own dedicated 15 amp/120 volt circuit with no other connected loads.
3) Yes, the A/C unit requires a 120 volt/15 amp circuit using a 3 prong grounded wall receptacle (1 hot, 1 neutral and 1 equipment ground) NEMA rated 5-15R receptacle that is located in most home's.
110 volts and 115 volts are both nominal voltage ratings. The National Electrical Code refers to the voltages on wall receptacles and lighting within the home as 120 volts. The 110 and/or 115 voltages are nominal voltages due to the constant voltage fluctuation from the local electrical utility supplier. 110, 115 and 120 are all the same thing.
Hope this helps………If you have any additional questions, let me know and I’ll be glad to answer them for you.
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The next time you have an electrical question, you can also request for me at: ……….Thanks…………..Kevin!