Transformer Primary Conductor Size Calculator

Ensure optimal electrical performance and safety with our Transformer Primary Conductor Size Calculator.

Use our online electrical wire or cable size calculator to determine the appropriate conductor size for your electrical system. The conductor size, also known as wire or cable thickness, is crucial for ensuring the safe and efficient flow of electric current. Our calculator provides accurate gauge measurements, allowing you to select the right conductor size for your specific needs.

Current
A
Current Density
Amm-2
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    1 Number of calculations
    \delta = \frac{I}{A}

    Where:

    • δ = Conductor Size
    • I= Current
    • A = Current density