25th November 2019


What is MCM for wire size?

MCM is an abbreviation for thousands of circular mils, an old measurement of wire gauge. 1 MCM = 1 kcmil = 0.5067 square milimeters. A wire 200 mils in diameter is 40 MCM. MCM is generally used for very large-diameter wire.

Besides, what is the circular mil area of 10 AWG?

AWG, diameter mil, circular mil, diameter in mm and area in mm 2
American Wire Gauge (AWG)Diameter (mils) (10-3 in)Area (circular mils) (CM) (mil2)

How big is a circular mil?

The circular mil is a unit of area used especially when denoting the cross-sectional size of a wire or cable. A circular mil is the equivalent area of a circle whose diameter is 0.001 (10-3) inch, or approximately 0.7854 millionths of a square inch. Mils of circular wire or cable can be calculated as:
mils = 1000 d (1)

What is the unit MCM?

Thousand circular mils or kcmil, the wire gauge is equivalent cross sectional area (500 MCM = 500,000 circular mils) Million cubic metre, the unit of volume.
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