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Residential Electrical Load Calculator

  • 1. General Lighting Loads

  • Please enter your Square Footage.

  • 2. Small Appliance Branch Circuits

  • Please enter your Number of Small Appliance Branch Circuits.
    Number of Small Appliance Branch Circuits must be 2 or greater.

  • 3. Laundry Equipment Load

  • Please enter your Number of Small Appliance Branch Circuits.
    Number of Laundry Equipment Load must be greater than 1.

  • 4. Total General Lighting, Small Appliance and Laundry Circuit Load

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  • 5. Nameplate Ratings of Appliances

  • 240V Appliances

  • Additional Nameplate Ratings (240V)

  • Add Additional Option

  • 120V Appliances

  • Additional Nameplate Ratings (120V)

  • Add Additional Option

  • 6. Apply Demand Factors

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  • 7. EV Charger

  • 8. Heating or AC Load

  • 9. Minimum Size of Grounded (Neutral) Service Entrance Conductors

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Results

Optional Calculation

1. General Lighting Loads (220.12)

0 sq. ft x 3 VA =
0 VA

2. Small Appliance Branch Circuits (220.52(A))

0 x 1500 VA =
0 VA

3. Laundry Equipment Load (220.52(A))

0 x 1500 VA =
0 VA

4. Total General Lighting, Small Appliance and Laundry Circuit Load (1. + 2. + 3.)

0 VA

5. Nameplate Rating of Applicances Per 220.82(B)(3)

Range
0 VA
Dryer
0 VA
Dishwasher
0 VA
Disposal
0 VA
Water Heater
0 VA
Additional Nameplate Ratings (240V)
0 VA
0 VA
0 VA
0 VA
0 VA
0 VA
0 VA
0 VA
Additional Nameplate Ratings (120V)
0 VA
0 VA
0 VA
0 VA
0 VA
0 VA
0 VA
0 VA
5a. Total of Nameplate Ratings
0 VA

6. Apply Demand Factors (220.82(B))

6a. First 10,000 VA at 100%
10,000 VA
6b. Lines 4 + 5a minus 10,000 VA = 0 x 40%
0 VA
6c. Subtotal With Calculated demand (Lines 6a. + 6b.)
0 VA

7. EV Charging Load

7a. EV Charging Load * 1.25
0 * 1.25 = 0VA

8. Heating or Air Conditioning Load (Choose Largest)

A/C units or heat pumps @ 100%
0 VA
Thermal storage, other cont. heat 100%
0 VA
Central heat & heat strips in heat pumps @65%
0 VA
Number Of Heating Units
0 Units
Heating units (3 or less at 65%)
0 VA
Heating units (4 or more at 40%)
0 VA
8a. Largest of above listed loads
0 VA
8b. Total Calculated Load (6c + 7a + 8a)
0 VA
Minimum size of ungrounded (Hot) service conductors
(Line 8b. above)VA / 240 Volts
0 Amps

9. Minimum Size of Grounded (Neutral) Service Entrance Conductors

9a.3000VA + ((Line 4.) - 3000VA) * 35%)
0 VA
9b. Range load at 70%
0 VA
9c. Dryer load larger of 5000 or nameplate Volt-amperes at 70%
0 VA
9d. Total of 120 volt appliance loads from section 5. above
0 VA
9e Total for grounded service-entance conductor (9a. thru 9d.)
0 VA
(Line 9e. above)VA / 240 Volts
0 Amps
John Goudie Electric is not responsible for any incorrect calculations.

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    - John S.
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