Cable Calculator
Calculate the appropriate cable size for your electrical installation based on British (BS7671) or International (IEC 60364-5-52) standards
Input Parameters
Results
Enter parameters and click Calculate to see results
Acceptable Cable Size
The recommended cable size meets all requirements
Recommended Cable Size
25 mm²
Calculated Current
0 A
Max Current Rating
0 A
Voltage Drop
0 V
Voltage Drop %
0%
Important Notes
- • Results are calculated at power factor 0.8
- • Maximum voltage drop is limited to 3%
- • Calculations assume ambient temperature of 30°C
- • These results are a guide only - consult a qualified electrician
- • Always comply with local electrical regulations
About This Calculator
This cable calculator helps determine the appropriate cable size for electrical installations based on British (BS7671) and International (IEC 60364-5-52) standards.
The calculator considers current carrying capacity and voltage drop to recommend the minimum cable size that meets both requirements. The voltage drop is limited to 3% as per standard regulations.
Important: These calculations are provided as a guide only. Always consult with a qualified electrician and comply with local electrical codes and regulations before installation.
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