Wire Size & Breaker Calculator
Calculate electrical current to select the standard wire gauge and circuit breaker size.
How to Use Wire Size & Breaker Calculator
- Enter the power load of your appliance (Watt).
- Select the electrical phase (1-Phase 220V or 3-Phase 380V).
- Adjust the Power Factor based on appliance type.
- The system calculates Amperage and recommends safe breaker and wire sizes.
About & How Wire Size & Breaker Calculator Works
Detailed insight and guide for optimal results
A wire size calculator recommending appropriate cable sizes based on current, distance, and EIT safety standards.
Using incorrectly sized wires is a leading cause of short circuits and fires. This tool helps electricians select correct sizes per safety standards.
Expert Tips for Best Results
- Enter power (W) or current (A) requirements.
- Specify cable distance from MDB to usage point.
- See recommended sizes per EIT standards.
- Select appropriate cable type for installation conditions.
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