 
 
NEC Standard Electrical Load Calculation for Single Family Dwellings
(Only for Service Ratings of 120/240V, 225 Amps Max)
|   |   | Owner: |   |   |   |   | Location: |   |   |   |   |   | 
|   |   | Total Floor Area of Dwelling (NEC 220.12) |   |   |   |   |   |   |   |   |   | SQFT. | 
|   |   |   |   |   |   |   |   |   |   |   |   |   |   |   | 
| Factor |   |   |   |   |   |   |   |   | Quantity |   |   | Volt Amperes | 
|   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   | (VA) | 
|   |   |   |   |   |   |   |   |   |   |   |   |   |   | 
| “General Lighting” |   |   |   |   |   |   |   |   |   |   |   |   |   | 
| 1. | General Lighting (SQFT X 3 VA/SQ FT (Table 220.12) | 3 X | sqft. |   |   |   | 
| 2. | Small Appliance Circuits (1500 VA per circuit) | (NEC | 1500 X |   |   |   |   | 
|   | 220.52(A)) (minimum 2) |   |   |   |   |   |   |   |   |   |   |   | 
| 3. | Laundry Circuit (1500 VA per circuit) (NEC 220.52(B)) | 1500 X |   |   |   |   | 
| 4. | Total General Lighting Load (Add lines 1, 2 & 3): |   |   |   |   |   |   |   |   | 
| 5. | First 3000 VA @ 100%: |   |   |   |   |   |   |   |   |   | 3000 | 
| 6. | Total General Lighting Load – 3000 = |   |   | @ 35%= |   |   |   |   |   |   | 
|   |   |   |   |   |   |   |   | 
| 7. | Net General Lighting Load (Per NEC 220.42) (Add lines 5 & 6): |   |   |   |   | 
|   |   |   |   |   |   |   |   | 
| *Fixed Appliances(if insufficient space, use back): |   |   | YES | NO |   |   |   | 
|  | Garbage Disposal |   |   |   |   |   |   |   |   |   |   |   |   |   | 
|  | Bathroom Fan |   |   |   |   |   |   |   |   |   |   |   |   |   | 
|  | Microwave |   |   |   |   |   |   |   |   |   |   |   |   |   | 
|  | Dishwasher |   |   |   |   |   |   |   |   |   |   |   |   |   | 
|  | Other: |   |   |   |   |   |   |   |   |   |   |   |   |   | 
|  | Other: |   |   |   |   |   |   |   |   |   |   |   |   |   | 
|   |   |   |   |   |   |   |   |   |   |   |   |   | Total |   |   |   | 
| 8. | 3 or less Appliances, | Total Appliance VA; |   |   |   |   |   |   |   |   |   |   |   | 
|   | 4 or more Appliances, | 75% of Total Appliance VA (NEC 220.53): |   |   |   |   | 
|   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   | 
| *Other Loads (including motors, EV charger(s), etc.) |   |   | YES | NO |   | Nameplate Rating | 
|   |   |   | (VA) | 
|   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   | 
|   |   |   |   |   |   |   |   |   |   |   |   |   | 
| 9. Electric | Range (8000VA or Nameplate)** |   |   |   |   |   |   |   |   |   |   |   | 
| 10. HVAC |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   | 
| 11. | Electric | Oven |   |   |   |   |   |   |   |   |   |   |   |   |   | 
| 12. | Electric | Dryer (5000 VA minimum)** |   |   |   |   |   |   |   |   |   |   |   | 
| 13. | Electric | Vehicle Charger |   |   |   |   |   | ✔ |   |   |   |   |   | 
| 14. | Other: |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   | 
| 15. | Other: |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   | 
| 16. | 25% of largest motor (NEC 430.24) |   |   |   |   |   |   |   |   |   |   |   | 
|   |   |   |   |   | 
| Total Service Load Volt-Amperes (VA) (Add lines 7, 8 & 9 thru 16) = |   |   |   |   | 
| Total Service Load Volt-Amperes / 240-volts = |   |   | Amperes |   |   |   |   | 
***Service Rating (Amperes)=
*For every “YES” answer, indicate VA rating of equipment
**Nameplate rating must be used if larger
***Service Rating shall be greater than or equal to the Service load
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| NEC Standard Electrical Load Calculation (Rev. 03-23-2016) | www.ladbs.org |