⚙ CircuitSecrets
All-in-One Electrical Calculator
Complete Load Calculation, Cable Sizing, Voltage Drop, and Breaker Selection tool. Automatically sizes your circuit based on IEC/NEC standards.
Load Current
Breaker Selection
Cable Sizing
Voltage Drop
Save & Update
Circuit Design Engine
Load, Cable & Breaker Sizing
Load Parameters
Cable & Installation Specifications
Calculation Results
Required Breaker Size
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Amperes (A)
Observed Current (IR)
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Amperes (A)
Recommended Cable
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Cross-Sectional Area
Cable Capacity (SC)
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Amperes (A)
Voltage Drop
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% (Actual)
Applied Formula & Logic
Enter parameters to calculate circuit sizing.
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 parameters back into the calculator for quick edits.
No setups saved yet. Calculate a circuit and click "Save Setup".
