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# 36 awg wire is 0.005" or 0.

127 mm diameter
0000 awg (treat as -3) is 0.460" or 11.684 mm
Any other size may be expressed as
d/0.005" = d/0.127 mm = 92^((36-G)/39
Once you have the diameter, A =(pi/4)*d
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#3
06-01-2009, 09:18 AM
nikikocev
Junior Member Join Date: May 2009
Posts: 2
Re: AWG wire size to metric
-------------------------------------------------------------------------------Quote:
Originally Posted by JohnS
36 awg wire is 0.005" or 0.127 mm diameter
0000 awg (treat as -3) is 0.460" or 11.684 mm
Any other size may be expressed as
d/0.005" = d/0.127 mm = 92^((36-G)/39
Once you have the diameter, A =(pi/4)*d
1 MCM means 1000 circular mils, and a circular mil is the area of a circle with
diameter 1 mil ( that is 1/1000 of one inch).
In metric terms, 1 MCM = 0.5067 sq mm
AWG mm
27 0,36
26 0,41
25 0,45
24 0,51
22 0,64
20 0,81
18 1,02
16 1,29
1 MCM means 1000 circular mils, and a circular mil is the area of a circle with
diameter 1 mil ( that is 1/1000 of one inch).
In metric terms, 1 MCM = 0.5067 sq mm
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First answer by Knapp1. Last edit by Knapp1. Contributor trust: 198 [recommend c
ontributor]. Question popularity: 1 [recommend question]
1 sq mm = 1.974 MCM
Use Chapter 9 Table 8 in your calculations.
COPIED SECTION NEC 2002 HANDBOOK COMMENTARY;
110.6
The circular mil area of a conductor is equal to its diameter in mils squared (1
in. = 1000 mils). For example, the circular mil area of an 8 AWG solid conducto
r that has a 0.1285-in. diameter is calculated as follows:
0.1285 X 1000 = 128.5 circular mills
.1285 squared = 16,512,25
or 16,510 circular mils (rounded off)
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