Load Calculator

Service Specifications
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Building Information
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Major Appliances
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Add Common Appliances
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Service Requirements
500A
Service Size
86925
Service VA
Total Connected Load:25500 VA
Demand Factor Applied:341%
Calculated Service:86925 VA
Safety Margin:25%
Recommended Service:500A
Load Breakdown
General Lighting:0 VA (0.0A)
Small Appliance Circuits:3000 VA (12.5A)
Laundry Circuit:1500 VA (6.3A)
Range:8000 VA (33.3A)
Dryer:5500 VA (22.9A)
Water Heater:4500 VA (18.8A)
HVAC:3000 VA (12.5A)
Circuit Breaker Requirements
Main Service Breaker:500A
Range Circuit:42A Breaker
Dryer Circuit:29A Breaker
Water Heater Circuit:24A Breaker
NEC Compliance
All calculations follow National Electrical Code requirements with 25% safety margin
Electrical Guidelines

Service Types:

Residential
Single-family home
NEC Compliant
Commercial
Office, retail, or commercial space
NEC Compliant
Industrial
Manufacturing and heavy industry
NEC Compliant

Load Types:

Lighting
General lighting circuits
100%
Receptacle
Outlet circuits
100%
Appliance
Kitchen and laundry appliances
25%
Motor
Motors and machinery
25%
HVAC
Heating and cooling equipment
25%

Professional Tips:

  • • Always consult local electrical codes and regulations
  • • Have calculations verified by a licensed electrician
  • • Consider future expansion when sizing service
  • • Use proper wire sizes for calculated loads
  • • Include GFCI protection for wet locations
  • • Plan for adequate panel space and breaker positions
  • • Consider voltage drop for long wire runs
  • • Allow for motor starting currents (6-8x running current)