Electric Wires - Cross-Section Equations
Calculating single and bunched wire cross-sections and diameters
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Cross-Section Area of Single Wire
The cross-section area of a round single wire can be calculated as
A = D2 π / 4
= 0.7854 D2
where
A = cross-section area (mm2, in2)
D = diameter (mm, in)
Cross-Section Area of Bunched Wire
The cross-section area of bunched wires can be calculated as
A = n d2 π / 4
= 0.7854 n d2
where
n = number of wires
d = single wire diameter (mm, in)
Diameter of a Single Wire Cross-Section Area
The diameter of a single wire cross-section area can be calculated as
D = (A 4 / π)1/2
= (1.2732 A)1/2
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