AWG - American Wire Gauge

In the North American economic area, the dimensions of copper conductors for high voltage and telecommunications purposes are usually given in AWG numbers*. In Germany, Europe and many other parts of the world, we speak of metric cross-sections in mm².

AWG means American Wire Gauge and represents the actual cable cross-section in mm² & conductor resistance. HEW uses the list below for this purpose. This is also available for download.

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AWG Table

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HEW Standard (based on MIL)

AWG Cross section Conductor resistance at 20°C max. Ohm/km
  mm² tin plated silver plated nickel plated
32 0,034 620 567 607
31 -      
30 0,057 374 330 363
29 -      
28 0,089 225 209 223
27 -      
26 0,141 142 133 141
0,155 135 126 138
25 -      
24 0,227 88,6 82,7 86,9
0,241 85,9 79,7 84,9
23 -      
22 0,355 56,1 52,1 54,4
0,382 53,1 49,5 52,5
21 -      
20 0,563 35,1 32,8 34,1
0,616 32,4 30,1 32,0
19 -      
18 0,897 21,9 20,6 21,3
0,963 20,4 19,0 20,0
17 -      
16 1,229 15,7 14,8 15,6
15 -      
14 1,941 10,03 9,44 9,84
13 -      
12 3,085 6,29 5,94 6,17
11 -      
10 4,743 4,13 3,90 4,07
9 -      
8 8,604 2,30 2,16 2,28
7 -      
6 13,613 1,45 1,37 1,43
5 -      
4 21,153 0,918 0,865 0,902
3 -      
2 33,696 0,600 0,557 0,580
1 41,398 0,488 0,455 0,472
0 52,951 0,380 0,354 0,370
00 67,392 0,298 0,278 0,291
0000 106,865 0,183 0,177 0,183
00000 -      

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