Transformer Primary Conductor Size Calculator

Online electrical wire or cable size calculator to find the size of the conductor. The sizing of the conductor refers to the size of the electrical wire or cable through which electric current passes through. Wire or cable thickness is defined in terms of gauge. Measuring cable thickness is used specifically for the electrically conductive wire. Make use of this online transformer primary conductor size calculator to determine the sizing of the conductor.

Electrical Wire or Cable Size Calculator

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δ = I / A Where, δ = Conductor Size I= Current A = Current density


A cable having a current flow of 8 A and current density of 12 Amm-2


Transformer Primary Conductor Size = 8 / 12
= 0.6667 mm2

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