Update on GFCI Nuisance Trips on Outdoor HVAC Equipment Related to 2020 NEC
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Informal testing results from Trane show GFCI outlets or disconnects severely affect variable capacity equipment (ECM / brushless rotor motors / inverter technology). Single speed and two speed equipment has proven to be less susceptible to nuisance trips. This is good news, but much more work needs to be done.
David C. Bixby has been active in HVAC industry codes and standards for 35 years and is currently secretary for the ACCA Codes Committee.
Latest posts by David Bixby (see all)
- NTSB Investigations Recommend Methane Detection Systems in Homes - August 2, 2021
- NEC GFCI UPDATE – NAHB Submits Amendment to Delay Effective Date to 2023 - July 23, 2021
- ACCA Challenges Rejection of Code Proposal for Attic Stairs - July 12, 2021
Posted In: Aside, Technology
