Loads & Services
Service & Load Calculations
Estimate dwelling and commercial loads and review service capacity.
Commercial Feeder and Service Load CalculatorEstimate non-dwelling load and review a separate conductor-sizing basis.Multifamily Dwelling Load CalculatorEstimate connected and diversified load for repeated dwelling units.Household Range Demand CalculatorEstimate cooking appliance demand from count and nameplate rating.Household Dryer Demand CalculatorEstimate clothes dryer demand from count and nameplate rating.Fixed Appliance Demand CalculatorEstimate demand for qualifying fixed appliances.Heating and Cooling Noncoincident Load CalculatorSelect the larger heating or cooling load when systems cannot operate together.Commercial Kitchen Equipment Demand CalculatorEstimate diversified demand from connected commercial kitchen equipment.Commercial Receptacle Load CalculatorEstimate connected and demanded load from commercial receptacle yokes.Commercial Lighting Load CalculatorCalculate connected and continuous sizing load from area and unit load.Panel Phase Load Balance CalculatorCompare phase loads and quantify maximum imbalance from average.Continuous Load Circuit Capacity CalculatorApply continuous-load sizing treatment and calculate required current.Dwelling Load CalculatorCalculate one-family service load using standard or optional methods.Existing Service Capacity CalculatorCheck proposed loads against an existing dwelling service.