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Old 15-04-2017, 09:01 PM   #8 (permalink)
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Originally Posted by Vettronics View Post
It measures across at about 10-11mm but I am told it is called 25mm cable.
I assume that figure of 10-11mm diameter includes the insulation (and perhaps the armouring if it's armoured cable).

25mm cable has a diameter of about 5.6mm.

Area = Pi x radius squared

CSA = 3.142 x 2.8 x 2.8 = 24.63 sq mm
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