You're on the right track. Let's break down what "combination-type AFCI" means in the context of NEC 210.12(A)(1): AFCI (Arc-Fault Circuit Interrupter)

This is a device designed to detect arc faults, which are dangerous electrical conditions that can lead to fires.

Combination-Type AFCI

This is a specific type of AFCI breaker. It's the most common type of AFCI breaker used today. The "combination" refers to the fact that it detects both parallel arc faults (between hot and neutral) and series arc faults (within a single conductor). Think of it as combining the functions of older AFCI types.

So, to answer your direct questions



Yes, "combination-type AFCI" is a specific type of AFCI breaker. Yes, changing the breaker to a combination-type AFCI breaker is a valid way to meet 210.12(A)(1).Important Considerations for Your Renovation


Compliance with 210.12(A)

Replacing the breaker with a combination-type AFCI breaker will likely satisfy the requirement of 210.12(A)(1) and give you the "Means of Protection".
2.

210.12 Locations

Be certain to check the NEC 210.12(A) for a list of areas where AFCI protection is required (typically bedrooms, living rooms, dens, etc.).
3.

Existing Wiring

AFCI breakers can sometimes nuisance trip (trip for no apparent reason) in older homes with existing wiring. This is because older wiring might have minor imperfections that, while not dangerous, can be misinterpreted as arc faults by the sensitive AFCI breaker. If nuisance tripping becomes an issue, consult with a qualified electrician to troubleshoot.4.

Specific Manufacturer Instructions

Always follow the manufacturer's instructions for installation and testing of AFCI breakers. Many require a specific testing procedure after installation.5.

Local Amendments

Be aware that your local jurisdiction may have amendments to the NEC that are more stringent than the national code. Check with your local building department to ensure compliance with all applicable codes and regulations.

In summary, your plan to replace the existing breaker with a combination-type AFCI breaker is a common and generally acceptable way to meet the AFCI protection requirements of NEC 210.12(A)(1). Just be aware of potential issues with existing wiring, follow manufacturer's instructions, and check for local code amendments.Disclaimer: I am an AI Chatbot and not a qualified electrician. This information is for general guidance only and should not be considered professional electrical advice. Always consult with a licensed and qualified electrician for any electrical work or code interpretation.* Flag for review