Commercial And Industrial Loads
Three-phase load balance, feeder load, panel schedules, kitchen loads, data-center loads, and industrial demand.
Load Calculations
Residential, commercial, industrial, feeder, panel, service, appliance, HVAC, and EV load calculators.
Subcategories
Residential Load And Service
Dwelling load, panel load, service size, NEC 220 demand, EV charger, heat pump, and generator load calculators.
Published Calculators
Commercial Neutral Diversity Calculator
Calculate linear three-phase neutral current, apply an entered diversity percentage, and show phase-current imbalance.
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Commercial Office Load Calculator
Calculate connected office load, entered-demand office load, continuous-load adder, adjusted load, and line current from entered rows.
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Commercial Load Diversity Calculator
Calculate connected load, diversified load, diversity reduction, and capacity margin from entered commercial load blocks.
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Commercial Lighting Demand Calculator
Calculate connected lighting load, entered-demand lighting load, continuous-load adder, adjusted load, and line current from entered rows.
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Commercial Feeder Voltage Drop Calculator
Calculate feeder voltage drop, percentage drop, end voltage, and resistive loss from entered conductor-resistance assumptions.
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Commercial Elevator Load Calculator
Calculate input kW, duty-adjusted kVA, and current from entered elevator motor assumptions.
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Residential Well Pump Duty-Point Power Calculator
Enter flow, total dynamic head, and pump/motor efficiency for a duty-point power review. The result does not select a pump curve or guarantee pressure.
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Residential Well Pump Electrical Load Calculator
Enter nameplate or measured running-current data to review a private-well pump's operating electrical load. The result is not a pump selector or final circuit-sizing value.
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Residential Panel Phase Balance Calculator
Enter residential panel branch-circuit assignments and load currents for a preliminary 120/240 V or 120/208 V distribution review.
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Residential Electrification Load Scenario Calculator
Compare a defined package of heat-pump, water-heater, induction, dryer, EV, or other electrification changes against entered planning capacity. No equipment database is assumed.
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Industrial Connected Load Calculator
Totals industrial equipment rows into connected kW, connected kVA, and line-current estimates from entered power factor, voltage, and phase basis.
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Dwelling Small Appliance Load Calculator
Builds a dwelling small-appliance load line from circuit count, entered VA allowance, demand factor, and any existing appliance rows needing duplicate-entry review.
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Dwelling Water Heater Load Calculator
Review residential water-heater connected and assessed current for tank, tankless, or heat-pump equipment using entered nameplate or rated-power data.
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Dwelling General Lighting Load Calculator
Calculate a dwelling general-lighting load from floor area and an entered VA-per-square-foot basis, with an optional documented override.
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Dwelling HVAC Load Calculator
Compares dwelling cooling, heating, and auxiliary-heat inputs as current values for preliminary service planning before equipment-specific MCA/MOCP review.
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Commercial Pump Load Calculator
Calculate pump hydraulic power, shaft power, electrical input, and running current from flow, head, fluid, efficiency, voltage, phase, and power factor.
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Commercial HVAC Load Calculator
Compares commercial HVAC motor FLA, heater load, voltage, phase, and manufacturer reference values for preliminary load and MCA review.
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Commercial Kitchen Load Calculator
Estimates commercial kitchen demand from connected equipment load, an entered demand factor, and the two-largest-equipment floor while keeping code factor selection separate.
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Commercial Fan Load Calculator
Calculate fan shaft power, electrical input, and running current from airflow, pressure, efficiency, voltage, phase, and power factor.
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Commercial Data Center Load Calculator
Turns rack count, rack load, PUE, UPS efficiency, voltage, phase, and growth allowance into data-center load and capacity planning values.
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Three-Phase Load Balance Calculator
Compares three entered phase loads, average load, maximum deviation, imbalance percent, and a simple load-transfer reference for panel or feeder review.
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Subpanel Load Calculator
Estimates demand load, feeder current, subpanel utilization, and spare capacity from connected load, an explicit demand factor, system voltage, phase, panel rating, and target margin.
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Service Upgrade Calculator
Compares projected demand, service utilization, spare capacity, and headroom margin from an existing service rating, calculated demand, added load, and explicit planning target.
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Receptacle Load Calculator
Estimates connected and demand receptacle load in VA, then converts the demand load to circuit current from the entered voltage and phase model.
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