Electrical Circuit Protection for a Sun Room

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.

Thanks
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.

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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.

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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