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LAYCOCK/CROWN WIRE TABLE

AWG = American Wire Gauge
B&S = Brown & Sharpe
SWG = Imperial Standard Wire Gauge (British legal standard)
 

S.W.G. NO. S.W.G. Bare Diameter (Inches) S.W.G. Area Circular Mils   A.W.G. NO. A.W.G. Bare Diameter (Inches) A.W.G. Area Circular Mils A.W.G. LBS per 1000 FT A.W.G FT per LB A.W.G. OHMS PER 1000 FT* A.W.G. OHMS PER pound
7/0 0.500 250,000   0000000 (7/0) - - - - - -
6/0 0.464 215,296   000000 (6/0) 0.580000 - - - - -
5/0 0.432 186,624   00000 (5/0) 0.516500 - - - - -
4/0 0.400 160,000   0000 (4/0) 0.460000 211,600 640.61 1.561 0.04901 0.0000765
3/0 0.372 138,384   000 (3/0) 0.409642 167,772 507.87 1.969 0.06182 0.0001217
2/0 0.348 121,104   00 (2/0) 0.364796 133,079 402.9 2.482 0.07793 0.0001934
1/0 0.324 104,976   0 (1/0) 0.324861 105,560 319.4 3.130 0.09825 0.0003075
        0.5 0.3071 94,310        
1 0.300 90,000   1 0.289297 83,694 253.3 3.947 0.1239 0.0004890
        1.5 0.2734 74,748        
2 0.276 76,176   2 0.257627 66,358 200.8 4.979 0.1563 0.0007782
        2.5 0.2435 59,292        
3 0.252 63,504   3 0.229423 52,624 159.2 6.278 0.1971 0.0012374
        3.5 0.2169 47,046        
4 0.232 53,824   4 0.2043 41,738 126.3 7.915 0.2485 0.0019669
        4.5 0.1931 37,288        
5 0.2120 44,944   5 0.1819 33,088 100.1 9.985 0.3134 0.0031293
        5.5 0.1720 29,584        
6 0.1920 36,864   6 0.1620 26,244 79.4 12.588 0.3952 0.0049748
        6.5 0.1532 23,470        
7 0.1760 30,976   7 0.1443 20,822 63 15.866 0.4981 0.0079029
        7.5 0.1364 18,605        
S.W.G. NO. S.W.G. Bare Diameter (Inches) S.W.G. Area Circular Mils   A.W.G. NO. A.W.G. Bare Diameter (Inches) A.W.G. Area Circular Mils A.W.G. LBS per 1000 FT A.W.G FT per LB A.W.G. OHMS PER 1000 FT* A.W.G. OHMS PER pound
8 0.1600 25,600   8 0.1285 16,512 50 20.007 0.6281 0.0125664
        8.5 0.1213 14,714 44.5 22.453 0.7025 0.0157732
9 0.1440 20,736   9 0.1144 13,090 39.61 25.243 0.7925 0.0200051
        9.5 0.1080 11,664 35.3 28.323 0.8858 0.02509131
10 0.1280 16,384   10 0.1019 10,384 31.43 31.816 0.9988 0.0317778
        10.5 0.0962 9,254 28.01 35.699 1.12 0.0400
11 0.1160 13,456   11 0.0907 8,226 24.87 40.2 1.26 0.0507
        11.5 0.0856 7,327 22.17 45.1 1.41 0.0636
12 0.1040 10,816   12 0.0808 6,529 19.76 50.6 1.59 0.0805
        12.5 0.0763 5,822 17.63 56.7 1.78 0.1009
13 0.0920 8,464   13 0.0720 5,184 15.69 63.7 2.00 0.1274
        13.5 0.0679 4,610 13.94 71.7 2.24 0.151
14 0.0800 6,400   14 0.0641 4,109 12.43 80.4 2.52 0.203
        14.5 0.0605 3,660 11.07 90.3 2.82 0.255
15 0.0720 5,184   15 0.0571 3,260 9.90 101 3.56 0.321
        15.5 0.0538 2,905 8.77 114 3.56 0.406
16 0.0640 4,096   16 0.0508 2,581 7.81 128 4.02 0.515
        16.5 0.0480 2,304 6.99 143 4.48 0.641
17 0.0560 3,136   17 0.0453 2,052 6.21 161 5.05 0.813
        17.5 0.0427 1,823 5.52 181 5.66 1.024
18 0.0480 2,304   18 0.0403 1,624 4.916 203 6.39 1.30
        18.5 0.0380 1,444 4.36 229 7.14 1.64
19 0.0400 1,600   19 0.0359 1,289 3.901 256 8.05 2.06
        19.5 0.0339 1,149 3.48 287 8.97 2.57
20 0.0360 1,296   20 0.0320 1,024 3.100 323 10.1 3.26
        20.5 0.0302 912 2.76 362 10.1 4.13
21 0.0320 1,024   21 0.0285 812 2.459 407 12.8 5.21
        21.5 0.0269 724 2.18 457 14.3 6.5
22 0.0280 784   22 0.0253 640 1.938 516 16.2 8.4
        22.5 0.0239 571 1.73 576 18 10.4
23 0.0240 576   23 0.0226 511 1.546 647 20.3 13.1
        23.5 0.0213 454 1.37 728 22.6 16.5
24 0.0220 484   24 0.0201 404 1.223 818 25.7 21
        24.5 0.0190 361 1.09 915 28.7 26.3
25 0.0200 400   25 0.0179 320 0.9699 1030 32.4 33.4
S.W.G. NO. S.W.G. Bare Diameter (Inches) S.W.G. Area Circular Mils   A.W.G. NO. A.W.G. Bare Diameter (Inches) A.W.G. Area Circular Mils A.W.G. LBS per 1000 FT A.W.G FT per LB A.W.G. OHMS PER 1000 FT* A.W.G. OHMS PER pound
        25.5 0.0169 286 0.90 1100 36.3 42.1
26 0.0180 324   26 0.0159 253 0.7652 1307 41.02 53.61
        26.5 0.0150 225 0.68 1470 45.5 66.9
27 0.0164 269   27 0.0142 202 0.6104 1638 51.44 84.27
        27.5 0.0134 180 0.54 1840 57.7 106.2
28 0.0148 219   28 0.0126 159 0.4806 2081 65.33 135.90
        28.5 0.0119 142 0.43 2330 75 175
29 0.0136 185   29 0.0113 128 0.3865 2587 81.22 210.10
        29.5 0.0106 112 0.34 2940 92.3 271
30 0.0124 144   30 0.0100 100 0.3027 3304 103.7 342.6
        30.5 0.0095 90.3 0.27 3660 115 421
31 0.0116 135   31 0.0089 79.2 0.2398 4171 130.90 546.1
        31.5 0.0083 70.5 0.21 4680 147 688
32 0.0108 118   32 0.0080 64.0 0.1937 5162 162.1 836.5
        32.5 0.0075 56.3 0.17 5870 184 1080
33 0.0100 100   33 0.0071 50.40 0.5126 6553 205.70 1348
        33.5 0.0067 44.9 0.13 7360 231 1700
34 0.0092 85   34 0.0063 39.7 0.1201 8324 261 2175
        34.5 0.0059 34.8 0.10 9490 286 2733
35 0.0084 71   35 0.0056 31.4 0.09 10500 331 3476
36 0.0076 58   36 0.0050 25.0 0.076 13200 415 5478
37 0.0068 46   37 0.0045 20.25 0.061 16300 512 8346
38 0.0060 36   38 0.0040 16.00 0.048 20600 648 13349
39 0.0052 27   39 0.0035 12.25 0.0037 27000 847 22869
40 0.0048 23   40 0.0031 9.61 0.0029 34400 1080 37152


 Resistance values based on copper of 100% conductivity at 68 deg F (20 deg C).

 

 

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