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Electrical Wiring for a Sun Room

I am adding a sunroom and need to add one 15 amp electrical circuit. My existing panel has room for a mini 15 amp breaker. Do I need an AFCI breaker for this sunroom?

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Electrical Circuit Protection for a Sun Room

[ad#block]Question: I am adding a sun room and need to add one 15 amp electrical circuit. My existing panel has room for a mini 15 amp breaker. Do I need an AFCI breaker for this sunroom? If so I will need to change the panel out. If I change the panel, will I need to upgrade the entire house to AFCI breakers.

Frank B

This electrical question came from: Frank, from Weston, Colorado

See more about Home Wiring for Colorado

Dave’s Reply:
Thanks for your electrical question Frank
AFCI Circuit Protection for a Sun Room
Frank, yes – according to the NEC Code the sun room is required to be on a AFCI circuit.
NEC 210.12(A)   In sun rooms, all 120 volt 15 and 20 amp branch circuits supplying outlets in the sun room area shall be protected by a listed AFCI arc-fault circuit interrupter, combination-type, installed to provide protection of the branch circuit.

The Following links will assist you with your electrical question:

Basic House Wiring Circuits

House Wiring Circuits and Circuit Breakers

This article looks at common 120 volt and 240 volt house wiring circuits and the circuit breakers that are installed identifying the types and amperage sizes used in most homes.

Electrical Panel Circuit Listing

Electrical Circuit Breakers

Home Electrical 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.

Home AFCI Circuits

GFCI and AFCI Circuit Breakers

Arc Fault Circuit Interruption AFCI provides the extra measure of safety for your family. AFCI’s are installed serving required house wiring circuits protecting areas such as the bedrooms. AFCI protects the bedroom circuit devices against the danger of arcing which can lead to fire.
AFCI Circuit Electrical Codes

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Complete Guide to Home Electrical Wiring

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Wiring GFCI Outlets
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120 Volt and 240 Volt Outlet Circuits
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NEC Codes for Home Electrical Wiring
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Be Careful and Be Safe - Never Work on Energized Circuits!
Consult your Local Building Department about Permits and Inspections for all Electric Wiring Projects.

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FAQs Frequently Asked Questions and Comments

2 Responses to “Electrical Wiring for a Sun Room”
  1. boris shpilberg says:

    Are the miniature branch circuit breakers in existing panels allowed by New York City electrcical code. What is the article of the code?

  2. Dave Rongey says:

    Hi Boris,
    It is most common to see breakers for branch circuits no smaller than 15 amps 120 volts in a home electric circuit panel. I’m not sure what size you are referring to as miniature circuit breakers. The exact application would have to be identified as well as the electrical panel to have a better understanding about the situation.