⚡ Electrical Load Calculator

🔧 Professional-grade calculations: Calculate electrical loads for homes, offices, or circuits. Includes NEC compliance tips and safety warnings.

📋 Common Appliances (Click to add):
Appliance Power (W) Quantity Usage Factor Action
80%
Accounts for non-simultaneous use
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Safety Warning
This is an educational tool only. Always consult a licensed electrician and comply with local electrical codes (NEC, IEC, etc.) before installation. Electrical work can be dangerous and requires proper training.

📊 Calculation Results

Appliances: 0 Total Watts: 0W
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Ready to Calculate
Add appliances above and click "Calculate Load"
Try adding common appliances from the presets
💡 Pro Tip: Use diversity factor (80% typical) to account for appliances not running simultaneously.
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NEC Code References (USA)
Continuous Loads
NEC 210.20(A): Multiply by 125%
Circuit Ratings
NEC 210.11: Branch circuit requirements
Dwelling Units
NEC 220: Standard calculation method
Safety Factor
NEC 110.14: Conductor ampacity