Cable Sizing Calculator
Determine appropriate cable sizes based on load current, voltage drop limits, and installation conditions. Includes IEC derating factors for temperature, grouping, and installation methods.
Load Parameters
Installation Conditions
Enter load parameters and click Calculate to see cable sizing results
Notes:
- Calculations based on IEC 60364 / BS 7671 standards
- Maximum voltage drop typically 3% for final circuits, 5% total
- XLPE insulation allows higher operating temperature
- Always verify with local electrical codes and regulations
- Consider future load growth when selecting cable sizes
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DISCLAIMER
This calculator provides ESTIMATES for preliminary planning purposes. Results are based on standard assumptions and may not reflect your specific project conditions.
By using this tool, you acknowledge that:
1. All calculations are approximate and based on typical industry standards and assumptions.