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NEC Standard Electrical Load Calculation for Single Family Dwellings
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Owner:Location:
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Total Floor Area of Dwelling (NEC 220.12)
SQFT
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FactorQuantityVolt Amperes (VA)
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"General Lighting"
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1. General Lighting (SQFT x 3 VA/SQ FT (Table 220.12)3 Xsq. ft.0
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2. Small Appliance Circuits (1500 VA per circuit) NEC 220.52(A)) (Minimum 2)1500x 23000
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3. Laundry Circuit (1500 VA per circuit) (NEC 220.52(B))1500x 11500
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4. Total General Lighting Load (Add lines 1, 2, & 3):4500
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5. First 3000 VA @ 100%3000
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6. Total General Lighting Load - 3000 =1500 @ 35%525
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7. Net General Lighting Load (Per NEC 220.42) (Add lines 5 & 6)3525
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* Fixed Appliances
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Garbage Disposal
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Microwave
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Fridge
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Dishwasher
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Other (Not Installed)
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Other (Not Installed)
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Other (Not Installed)
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Total0
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8. 3 or less Appliances, Total Appliance VA; 4 or more Appliances, 75% of Total Appliance VA (NEC 220.53):0
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* Other Loads (Including motors, EV charger(s), etc)
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9. Electric Range (8000VA or nameplate)** (Not Installed)
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10. HVAC or Space Heater
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Dryer
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Water Heater (3 units, demand factor 54,000W Demand Factor 90% 220.54)
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Water Heater 2
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Water Heater 3
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Minisplit
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Minisplit
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16. 25% of largest motor (NEC 430.24)
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Total Service Load Volt-Amperes (VA) (Add lines 7, 8 & 9 thru 16) =
3525
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Total Service Load Volt-Amperes / 240-volts =
15Amperes
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Minimum Service Rating
Amperes
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** Nameplate rating must be used if larger
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*** Service Rating Shall be greater than or equal to the Service Load
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