September GFCI Deadline Could Trigger New Headaches for Inverter HVAC Installs
A long-delayed NEC GFCI requirement for outdoor HVAC equipment is set to take effect September 1 unless extended, raising concern around nuisance trips and callbacks.
A long-delayed NEC GFCI requirement for outdoor HVAC equipment is set to take effect September 1 unless extended, raising concern around nuisance trips and callbacks.
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