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Air Conditioning Electrical Circuit Requirements

How to Know if your Air Conditioner Requires a New Electrical Circuit



Will You Need New Circuit For Your Air Conditioner?

Electrical Question: I want to buy a stand-alone room air conditioner.

Background: Sue, a Homeowner from Indiana
See more about Home Wiring for Indiana

Dave’s Reply:
Thanks for your electrical question Sue.

How to Know if your Air Conditioner Requires a New Electrical Circuit

Will Your New Air Conditioner Require a Dedicated Electrical Circuit?

Sue these are all great questions.

Should You Purchase and Install an Air Conditioner?

RESOURCES

Electrical Circuit
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Electric Circuit Listing
The size of the home electrical service panel is designed by calculating the square footage of the home and factoring in the code requirements for the electrical circuits that are required.

Circuit Breaker
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Electrical Wiring Protection using Circuit Breakers
A guide to home electrical circuit breakers and how they work to protect your electrical wiring. When properly installed, your home electrical wiring is protected by a circuit protection device.

Electrical Wire
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Electrical Wire for the Home
Complete listing of electrical wire types and parts used for home projects with electrical code information serves as selection guidelines.

How to Install Ceiling Fans and Wiring
Step-by-step pictures – Easy wiring diagrams and installation guide – Light and fan switch variations.
Ceiling Fan Wiring
Ceiling Fan Wiring diagram #1
Ceiling Fan Installation #1
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How to Install Ceiling Fans
Take the mystery out of ceiling fan wiring. Ceiling Fans are a great way to lower your energy bill and brighten up one of your favorite rooms.

Home Electrical Wiring Codes
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Electrical Code Articles for Home Wiring

Electrical Code Directory covering  electrical-circuits.



Learn How to Wire it Right with my
Complete Guide to Home Electrical Wiring
Perfect for Homeowners, Students,
Handyman, Handywomen, and Electricians
Includes:
Wiring GFCI Outlets
Wiring Home Electrical Circuits
120 Volt and 240 Volt Outlet Circuits
Wiring 3-Wire and 4-Wire Electric Range
Wiring 3-Wire and 4-Wire Dryer Cord and Dryer Outlet
How to Troubleshoot and Repair Electrical Wiring
Wiring Methods for Upgrading Electrical Wiring
Electrical Codes for Home Electrical Wiring
....and much more.

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MORE ABOUT THIS TOPIC: Air Conditioner

Frequently Asked Questions and Comments

Questions about Air Conditioning Electrical Circuit Requirements


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  1. Dave Thompson says:

    Does the breaker for a mini split outdoor unit need to be GFCI and does it also need arc fault AFCI?

    • Dave Rongey says:

      Hi Dave,
      Unless specifically required in our local area, an outdoor HVAC unit only requires a standard type circuit breaker, and does not require GFCI or AFCI type protection. However a 120volt service outlet near the HVAC unit should be on a separate circuit and have GFCI protection.
      I hope this helps,
      Dave

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