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E3902.17 Arc-Fault Circuit Interrupter Protection for Branch Circuit Extensions or Modifications
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This section has been amended at the state or city level.
Where branch-circuit wiring is modified, replaced, or extended in any of the areas specified in Section E3902.16, the branch circuit shall be protected by one of the following:
- A combination-type AFCI located at the origin of the branch circuit
- An outlet branch-circuit type AFCI located at the first receptacle outlet of the existing branch circuit. [210.12(B)]
- AFCI protection shall not be required where the extension of the existing conductors is not more than 6 feet (1.8 m) in length and does not include any additional outlets or devices. [210.12(B) Exception]
- This section does not apply for a simple move or an extension of a branch circuit or an outlet which does not significantly increase the existing electrical load. This exception does not include changes involving remodeling or additions to a residence.
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