Circuit Breaker Type Requirements

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Circuit GFCI/AFCI Requirements

  • Heat pump - no GFCI [1]; yes [2]. Conclusion: There was an update in 2022 - it appears outdoor heat pumps do not require GFCI protection because of issues with proper functioning on GFCI. This exception is in place until 2026 [3]. No AFCI [4]
  • AFCI isn't required on 240V appliances. [5]. Water Heaters, heat pumps, garages don't need afci.