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Table 1 Conductor and Stranding Data Copper
Stranded Conductors provide better flexibility and longer flex life. From a practical standpoint, stranded conductors offer longer service life than solid conductors. For a given size of a conductor, increasing the number of strands while reducing the size of the individual strands will increase the conductor flexibility.
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Approx.
OD
Lbs /
Ft.
Circular
MILS
Size
AWG/CM
Class
AA
Class
A
Class
B
Class
C
Class
D
Class
G
Rope Strand (Flexible)
Class H Class K
30 AWG
(.010")
Class M
34 AWG
(.0063")
.0050 .0757 25.00 36
.0056 .0954 31.52 35
.0063 .1203 39.75 34
.0071 .1517 50.13 33
.0080 .1913 63.21 32
 .0089 .2413 79.70 31
.0100 .3042 100.5 30
.0113 .3836 126.7 29
.0126 .4837 159.8 28
.0142 .6100 201.5 27
.0159 .7692 254.1 26
.0179 .9699 320.4 25
.0201 1.223 404.0 24
.0226 1.542 509.5 23
.0254 1.945 642.4 22
.0285  2.452 810.1 21
0.0363 3.154 1,020 20
0.0456 5.015 1,620 18
0.0576 7.974 2,580 16
0.0726 12.68 4,110 14
0.0915 20.16 5,530 12
0.116 32.06 10,380 10
0.130 40.42 13,090 9
0.146 51.0 16,510 8
0.184 80.9 26,240 6
0.232 129 41,740 4
0.260 162  52,620 3
0.292 205 66,630
0.332 259

83,690

 1
0.373 326 105,600  1/0
0.419 411 133,100 2/0
 0.470 518 167,800 3/0
0.528  653 211,600 4/0
0.575 772 250,000 250,000
0.630 925 300,000 300,000
0.681 1080 350,000 350,000
0.728 1236 400,000 400,000
0.813 1542 500,000 500,000 
0.893 1850 600,000 600,000
0.998 2316 750,000 750,000
1.152 3086 1,000,000 1,000,000
 .50  .57 25 36 36
           
           
         
            
         
            
         
         
         
         
         
         
         
         
         
    19  
    19  
    19  
    19 37
    19 37
    19 37
    19 37
    19 37
    19 37
3 7 7 19 37
3 7 7 19 37
3 7 7 19 37
 3 7 19 37 61
7 7 19 37 61
7 7 19 37 61
 7 7 19 37 61
7 7  19 37 61
12 19  37 61 91
12 19 37  61 91
12  19  37 61 91
  19  37 61 91
  37  37  61 91
   37  61  91 127
   61  61 91 127
   61 61  91 127
.0050 .0757 25.00 36
       
       
       
          
       
          
       
       
       
       
       
       
       
       
       
    10  26
    16 41
    26 65
49   41 104
49   65 168
49   104  259
49 133    
49 133 168 420
49 133 266 665
49 133 420 1064
49 133 532 1323
49 133 665 1666
133  259 836 2107
133  259 1064 2646
133  259 1323 3325
133  259  1666 4256
133 259  2107 5320
259 427   2499 6384
259 427 2989 7581
259 427 3456 8806
259 427  3990 10,101
259 427  5054 12,691
427 703   5985 14,945
427 703  7581 16,788
427 703  10,101  25,193
 
 
Methods of Stranding Vs. Gauge Copper
  Size
AWG
MCM

 Approx..
Overall
Diam. In.

 3    10   19        Number of Individual Wire Strands  49
(7x7)
 133
(19x7)
 259
(37x7)
 427
(61x7)
 703
(37x19)
 37  61 91   127 169   217
 24
 .024
.0060   .0063  .0050                      
22
 .030
.0100  .0063                      
20
 .038
- .0126   .0100  .0080                      
18
.046
- .0152 - .0100                      
16
.058
.0293 .0192   .0119 .0084 .0065 .0045 .0039 .0035 .0073 .0044        
14
 .073
.0370 .0242    .0147 .0105 .0082 .0067 .0057 .0049 .0044 .0092 .0056      
12
.092
.0467 .0305   .0185 .0133 .0103 .0085 .0072 .0062 .0055 .0155 .0070 .0060     
10
.115
.0589 .0385   .0234 .0167 .0131 .0107 .0090 .0078 .0069 .0145 .0088 .0063    
8
.146
.0742   .486   .0295 .0211 .0165 .0135 .0114 .0099 .0087 .0184 .0111 .0080 .0062  
6
.184
.0935 .0612   .0372 .0266 .0207 .0170 .0144 .0125 .0110 .0231 .0140 .0101 .0078 .0061
5
 .206
.1050  .0688   .0417 .0299 .0233 .0191 .0161 .0140 .0124 .0260 .0158 .0113 .0088 .0069 
4
.232
.1180 .0772   .0469 .0336 .0262 .0214 .0181 .0157 .0139 .0292 .0177 .0127 .0099 .0077
3
 .260
.1325 .0667   .0526 .0377 .0294 .0241 .0204 .0176 .0156 .0328 .0199 .0143 .0111 .0087
2
.292
.1487 .0974   .0591 .0424 .0330 .0270 .0229 .0198 .0175 .0368 .0223 .0160 .0125 .0098
1
.328
.1670 .1093   .0664 .0476 .0370 .0303 .0257 .0223 .0196 .0413 .0251 .0180 .0140 .0109
0
.368
.1875 .1228   .0745 .0534 .0416 .0341 .0288 .0250 .0220 .0464 .0282 .0202 .0157 .0123
00
.414
.2106 .1379   .837 .0600 .0467 .0382 .0323 .0281 .0248 .0621 .0316 .0227 .0177 .0139
000
.464
.2365 .1548   .0940 .0673 .0525 .0429 .0364 .0315 .0278 .0585 .0355 .0255 .0198 .0154
0000
.522
.2666 .1739   .1055 .0756 .0589 .0482 .0408 .0354 .0312 .0657 .0399 .0266 .0223 .0173
250,000
.574
  .1890   .1147 .0822 .0640 .0524 .0444 .0385 .0339 .0714 .0434 .0311 .0242 .0189
300,000
.629
  .2070   .1257 .0900 .0701 .0574 .0486 .0421 .0372 .0762 .0475 .0340 .0265 .0207
350,000
.679
  .2236    .0973 .0973 .0757 .0620 .0525 .0465 .0402 .0845 .0513 .0368 .0286 .0223
400,000
 .726
  .2390   .1451 .1040 .0810 .0663 .0561 .0487 .0429 .0904  .0548 .0393 .0306 .0239
450,000
.772
  .2533   .1539 .1103 .0859 .0703 .0595 .0516 .0455 .0958 .0582 .0417 .0325 .0253
500,000
.813
  .2673   .1622 .1162 .0905 .0741 .0627 .0644 .0480 .1010 .0613 .0439 .0342 .0267
600,000
.819
  .2928   .1777 .1275 .0992 .0812 .0687 .0596 .0526 .1107 .0672 .0481 .0375 .0292
700,000
.964
  .3162   .1919 .1375 .1071 .0877 .0742 .0644 .0566 .1195 .0726 .0520 .0405 .0316
750,000
.998
  .3275   .1987 .1324 .1109 .0908 .0768 .0666 .0588 .1237 .0751 .0538 .0419 .0327
800,000
1.031
  .3381   .2052 .1470 .1145 .0938 .0794 .0688 .0608 .1278 .0776 .0556 .0433 .0337
900,000
1.094
  .3686   .2176 .1560 .1215 .0994 .0842 .0730 .0644 .1355 .0823 .0589 .0459 .0358
1,000,000
1.152
  .3780    .2294 .1644 .1280 .1048 .0667 .0769 .0679 .1429 .0867 .0621 .0484   
1,250,000
1.288 
  .4226   .2565 .1838 .1431 .1172 .0992 .0860 .0759 .1597 .0969   .0541  
1,500,000
1.411
  .4629    .2810 .2013 .1565 .1284 .1087 .0942 .0831 .1750 .1062   .0593  
1,750,000
 1.526
  .5000   .3035 .2175 .1694 .1387 .1174 .1018 .0898 .1890 .1147   .0640  
2,000,000
1.630
  .5346   .3244 .2325 .1811 .1462 .1255 .1088 .0960 .2020 .1226   .0684  
Size of wire is in line with gauge of individual strand against number of strands
 
 
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