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AFCI Arc Fault Requirements for Home Electrical Circuits


By Dave Rongey - Summary:

Arc Fault Outlets for the Home: The AFCI Arc Fault Circuit Interrupter is used for specific circuits as required by the NEC Code.


NEC 210-12 AFCI Arc Fault Interrupter Circuit Requirements

Electrical Question: What is an arc fault circuit interrupter used for? Is it mainly used for smoke detectors?

This electrical question came from: Vicky, from Akeley, Minnesota.

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

Arc Fault Outlets for the Home

The Arc Fault Circuit Interrupter are used for specific  Home Electrical Circuits as required by the NEC Code

AFCI Arc Fault Circuit Interrupter Requirements for Homes
The Arc Fault Circuit Interrupter is designed to turn off an electrical circuit when an arc is detected that can lead to a fire or other hazardous conditions within the range of the protection that the AFCI is able to detect. AFCI  protection  is now mentioned in the National Electrical Code and required in several areas of the home, and as adopted by your local building department or agency.

NEC Codes for AFCI in Home Electrical Applications

  • The following are just two instances of AFCI requirements within the NEC:
    • 210.12(B)   Bedroom  wiring methods   AFCI outlet circuit.
    • Arc Fault protection required for all outlets, defined by the NEC include all lighting fixtures, smoke detectors, and receptacles.
    • 210.12(B)   Dwelling unit family rooms, dining rooms, living rooms, parlors, libraries, dens, bedrooms, sun rooms, recreation rooms, closets, hallways   wiring methods require AFCI.
    • Where the branch circuit wiring has been modified, replaced, or extended, the branch circuit shall be protected by a listed combination-type AFCI that is located at the origin of the branch circuit, or a listed outlet branch-circuit type AFCI located at the first receptacle outlet of the existing branch circuit.

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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.
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2 Responses to “AFCI Arc Fault Requirements for Home Electrical Circuits”
  1. haitham hashim says:

    Thank you for this important topic


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