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NEC Article 220 Part III / NEC Article 220 Part IV (220.82, 220.83)
Calculation method
Nominal voltage
Number of dwellings
Dwelling condition
See NEC 220.84 for more information on calculating load for multi dwelling units.
Qty.
VA
Total
Structure
3
0
Added square footage
Small appliance circuits
1,500
3,000
Laundry circuits
Total: 4,500 VA
Heating
Electric space heater - 1,500 W (12.5A at 120V)
Heat pump / Furnace - 6,000 W (25A at 240V)
Total: 0 VA
Cooling
Air conditioner - 4,000 W (16.7A at 240V)
Bath / laundry fan - 50 W (0.4A at 120V)
150
Dishwasher - 1,200 W (10A at 120V)
1,200
Disposal - 600 W (5A at 120V). < 0.75hp
600
Dryer - 5,000 W (20.8A at 240V)
5,000
Garage door opener - 300 W (2.5A at 120V). < 0.5hp
300
Microwave - 900 W (7.5A at 120V)
900
Pool pump - 1,800 W (15A at 120V). < 2.5hp
Range / Oven (Electric) - 8,000 W (33.3A at 240V)
Range / Oven (Gas) - 600 W (5A at 120V)
Range hood - 300 W (2.5A at 120V)
Refrigerator - 900 W (7.5A at 120V)
Spa/hot tub - 7,000 W (29.2A at 240V)
Water heater (Electric) - 4,500 W (18.8A at 240V)
Well pump - 900 W (7.5A at 120V). < 1.25hp
Total: 9,050 VA
EV charger - 9,600VA (32A at 240V x 125%)
9,600
Total: 9,600 VA
First
at
8,000 VA
Remaining load at
2,220 VA
HVAC load
220.82(C)
0 VA
EV charging load at
9,600 VA
Total calculated load
19,820 VA
Calculated amperage (load / 240V)
83 A
Existing or proposed service size
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