426 



Table 500 

 WIRE TABLE, STANDARD ANNEALED COPPER 



American Wire Gage (B. & &.). Metric Units 



Metric 



Gage 



No. 



OOOO 



OOO 



OO 



13 

 H 



•5 

 16 



17 



18 

 19 



24 

 26 



27 

 28 

 29 



3° 

 3 1 



3 2 



33 

 34 

 35 



36 

 37 

 38 



39 

 40 



Diameter 



in mm 



at 20 C. 



11.68 



10. 40 

 9.266 



8.252 

 7-348 

 6-544 



5-827 



5-iS 9 

 4.621 



4.115 

 3.665 

 3.264 



2.906 

 2.588 

 -'•305 



2.053 

 1.S28 

 1.628 



1.450 

 1. 291 

 1. 150 



1.024 

 0.91 16 

 .8118 



.7230 

 .6438 

 •5733 



.5106 

 •4547 

 •4049 



.3606 

 .3211 

 .2859 



.2546 

 .2268 

 .2019 



.1798 

 .1601 

 .1426 



.1270 

 .1131 

 .1007 



.089 69 

 .079 87 



Cross Section 



in mm s 



at 20 C. 



Ohms per Kilometer.* 



IO7.2 

 85-03 

 67-43 



53-48 

 42.41 



33-63 



26.67 

 21.15 



16.77 



I3-30 



IO.55 

 8.366 



6.634 

 5.261 



4.172 



3-309 

 2.624 



2.08l 



1.65c 

 I.309 

 I.038 



O.823I 

 .6527 



.4105 



•3 2 55 



.2582 



.2047 

 .1624 

 .1288 



.080 98 



o°C. 



0.1482 

 .1868 

 •2356 



.2971 

 •3746 



.4724 



•5956 

 •7511 



.9471 



I-I94 

 1.506 

 1.899 



2-395 

 3.020 

 3.807 



4.801 

 6.054 

 7-634 



9.627 

 12.14 

 i5-3i 



19.30 



24-34 

 30.69 



38.70 

 48.80 

 61.54 



77.60 



97-85 

 123.4 



155-6 



196.2 



247.4 



3"-9 



393-4 

 496.0 



625-5 



788.7 



994-5 



'254- 

 1581. 

 1994. 



2514- 

 3'7'- 



50° c. 



0.1608 



.2028 



•2557 



•3224 



.4066 



•5'27 



•6465 

 •8152 

 1.028 



1.296 

 1.634 

 2.061 



2-599 

 3-277 

 4-132 



5.211 



6-571 

 8.285 



10.45 



I3-I7 

 16.61 



20.95 

 26.42 

 33-3 1 



42.00 

 52.96 

 66.79 



84.21 

 106.2 

 133-9 



168.9 

 212.9 

 268.5 



338.6 

 426.9 

 538-3 



678.8 

 856.0 

 1079. 



1361. 

 1716. 

 2164. 



2729. 

 344 1- 



0.1798 

 .2267 

 .2858 



.3604 

 •4545 

 •5731 



.7227 



•9113 

 1. 149 



1.449 

 1.827 

 2.304 



2.905 - 



3-663 



4.619 



5-825 

 7-345 

 9.262 



11.68 



14-73 

 18.57 



23.42 



29-53 

 37-24 



46-95 

 59.21 

 74.66 



94.14 

 1 18.7 

 149.7 



300.1 



378-5 

 477-2 

 60 r. 8 



758.8 



956-9 

 1207. 



1522. 

 1919. 

 2419. 



305 J - 

 3847. 



75° C. 



O.I956 

 .2466 



•3921 



•4944 

 •6235 



.7862 

 .9914 

 1.250 



1-576 

 1.988 

 2.506 



3.161 



3-985 

 5-° 2 5 



6-337 

 7.991 

 10.08 



12.71 

 16.02 

 20.20 



25.48 

 32.12 



40.51 



51.08 

 64.41 



102.4 

 1 29. 1 

 162.9 



205.4 

 25S.9 

 326.5 



4i i-7 

 519.2 

 654.7 



825.5 

 1 04 1. 



•3»3- 



i655- 

 2087. 

 2632. 



33*9- 



41S5. 



•Resistance at the stated temperatures of a wire whose length is i kilometer at 20 C. 



Smithsonian Tables. 



