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Enforcement of GFCI Protection - HVAC Units Extended

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mtnelect

mtnelect

HVAC & Electrical Contractor
Location
Southern California
Occupation
Contractor, C10 & C20 - Semi Retired
Enforcement of GFCI Protection - HVAC Units Extended ! This was caused by Mini Split HVAC units causing "Phantom Tripping". See NEC Attachments for explanation.
 

Attachments

  • Proposed HVAC GFCI, 06-25-2021.pdf
    185.8 KB · Views: 30
  • Proposed HVAC GFCI #2, 06-25-2021.pdf
    136.6 KB · Views: 18
LarryFine

LarryFine

Master Electrician Electric Contractor Richmond VA
Location
Henrico County, VA
Occupation
Electrical Contractor
I think the same exceptions should be allowed for refrigerators, as well as HVAC systems, if not almost all hard-wired equipment.
 
mtnelect

mtnelect

HVAC & Electrical Contractor
Location
Southern California
Occupation
Contractor, C10 & C20 - Semi Retired
LarryFine said:
I think the same exceptions should be allowed for refrigerators, as well as HVAC systems, if not almost all hard-wired equipment.
Click to expand...
I agree ! ... The standard GFCI & AFCI were designed for inside and outside wiring. As the TIA stated a small boy got killed from a HVAC unit. The Electrical Industry needs to design a special device for this HVAC specialty compressors - electronic controlled motors.
 
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