Demand Load Calculator

Apply NEC demand factors to connected loads for feeder and service calculations.

Load Type

Connected Load (VA or Watts)

Number of Units (for appliances)

Building Type

Results

Enter load information to calculate demand.

General Lighting: First 3000VA at 100%, remainder at 35%

Receptacles: First 10kVA at 100%, remainder at 50%

Cooking (1-2 units): 65% of nameplate

Dryers: 100% for 1-4 units, decreasing for more