⚡ CircuitSecrets
Cable Size & Current Rating
Professional cable sizing and current rating calculator based on BS/IEC standards. Supports both Size → Amps and Amps → Size calculations.
BS / IEC Standard
Surface & Conduit
35°C Ambient
Save & Update
Wire Sizing Module
Cable Capacity Calculator
Select Cable Size (mm²)
Calculation Results
Surface Rating
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Data Management
Saved Setups (Update / Edit)
Click "Save Setup" to store a configuration. You can click "Update" on a saved setup to load its exact inputs back into the calculator to tweak and recalculate.
No cable setups saved yet. Calculate a setup and click "Save Setup".
