micc cable

JohnW2 · 7 May 2015

stillp said:
But the filling in MICC is very thermally conductive, so a thicker sheath with more mineral insulation will remove more heat from the conductors.

As I said...

JohnW2 said:
... It presumably depends a lot on the thermal properties of the material which has made it larger.

Provided that the outer sheathing doesn't confuse things too much, then what you say would clearly be correct - the longer path that heat would have to travel through the insulation (proportional to diameter) would be more than compensated for by the increased rate of heat loss from a greater surface area (proportional to square of diameter).

Kind Regards, John

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micc cable

JohnW2

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