Project Parameters
Enter your electrical load details for cable sizing
30°C
20°C30°C (Standard)50°C
Calculation Results
Enter your project parameters and click calculate to see recommendations
Disclaimer
This calculator provides preliminary cable sizing estimates based on BS 7671 and IEC standards. Results should be verified by a qualified electrical engineer before installation. Factors such as grouping, harmonics, and specific installation conditions may require additional derating. Reroy Electric accepts no liability for designs based solely on this tool.