02-25-2012, 10:05 PM
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God
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Join Date: Aug 2003
Location: Spartanburg, SC
Posts: 15,610
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Quote:
Originally Posted by Destroyer
Just as an FYI: 2/0 is called "two-ott" (phonetically) from the British pronunciation of zero as "aught". (Pronounced the same as "you aught to be in pictures"). In American Wire gauge, sizes run from the smallest of 40 gauge, which is 3.1 thousandths of an inch, (.0031") diameter, getting larger until they reach 1 gauge which is 289 thousandths (.289") diameter. To designate larger diameters, (since there is no number smaller than 1) the next logical number was 0, or "one aught", .325", then 00, generally designated 2/0, two aught, .365", then 000, threee aught, .410, and 0000, 4/0, four aught.
The designation AWG refers to American Wire Gauge. AWG wire is described by it's Circular Mil area and the number of strands for each size wire depending on wire type used.
AWG #2 has a CM Area of 66,360 while AWG 2/0 has a CM Area of 133,100.
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That's good stuff..thanks for the explanation...can you define/elaborate on Circular Mil Area... 
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