Philatron

ASTM Copper

 

Designating Part Numbers: BC = Bare Copper
Copper: No. = Size; Letter = Class
Example: BC12K: 12 ga. – 65 x 30 ga.

Solid Copper

Stranded Copper

ASTM Copper Class Table*

Size Circular Mil Outer Diameter Lbs/1,000 feet AA A B C D G H K – 30 Ga. M – 34 Ga.
20 1,020 .0363 3.16 7 19 10 26
18 1,620 .0456 5.02 7 19 16 41
16 2,580 .0576 7.99 7 19 26 65
14 4,110 .0726 12.68 7 19 37 49 41 104
12 6,530 .0915 20.16 7 19 37 49 65 186
10 10,380 .1160 32.06 7 19 37 49 104 259
8 16,510 .1460 51 7 19 37 49 133 168 420
6 26,240 .1840 81 7 19 37 49 133 266 665
4 41,740 .2320 129 3 7 7 19 37 49 133 420 1,064
2 66,630 .2990 205 3 7 7 19 37 49 133 665 1,666
1 83,690 .3320 259 3 7 19 37 61 133 259 836 2,107
1/0 105,600 .3730 326 7 7 19 37 61 133 259 1,064 2,646
2/0 133,100 .4190 411 7 7 19 37 61 133 259 1,323 3,325
3/0 167,800 .4700 518 7 7 19 37 61 133 259 1,666 4,256
4/0 211,600 .5280 653 7 7 19 37 61 133 259 2,107 5,320
250MCM 250,000 .5750 772 12 19 37 61 91 259 427 2,499 6,384
300MCM 300,000 .6300 925 12 19 37 61 91 259 427 2,989 7,581
350MCM 350,000 .6810 1,080 12 19 37 61 91 259 427 3,458 8,806
400MCM 400,000 .7280 1,236 19 19 37 61 91 259 427 3,990 10,101
500MCM 500,000 .8130 1,542 19 37 37 61 91 259 427 5,054 12,691
600MCM 600,000 .8930 1,850 37 37 61 91 127 427 703 5,985 14,945
750MCM 750,000 .9980 2,316 37 61 61 91 127 427 703 7,581 18,788
1,000MCM 1,000,000 1.152 3,086 37 61 61 91 127 427 703 10,101 25,193

* Note: All dimensions and weights are approximate.

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