TRANSMISSION LINE CONDUCTOR AMPACITIES |
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This table is adopted from REA Design Bulletins and is not meant to be all-inclusive. The lowest ampacity stranding has been chosen. In general there is no more than 20-30 amperes difference between the various strandings |
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Ampacity |
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| AWG or kcmil |
ACSR Stranding |
Sun No Wind |
No Wind No Sun |
Sun Wind |
Wind No Sun |
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| 1/0 | 6/1 | 150 | 175 | 240 | 255 | ||
| 2/0 | 6/1 | 175 | 205 | 275 | 295 | ||
| 3/0 | 6/1 | 205 | 240 | 315 | 340 | ||
| 4/0 | 6/1 | 240 | 275 | 365 | 390 | ||
| 266.8 | 18/1 | 300 | 345 | 445 | 480 | ||
| 336.4 | 18/1 | 350 | 405 | 515 | 560 | ||
| 397.5 | 18/1 | 390 | 460 | 575 | 620 | ||
| 477.0 | 18/1 | 440 | 520 | 640 | 700 | ||
| 556.5 | 18/1 | 490 | 580 | 710 | 770 | ||
| 636.0 | 24/7 | 550 | 650 | 780 | 860 | ||
| 795.0 | 45/7 | 630 | 750 | 890 | 970 | ||
| 954.0 | 45/7 | 720 | 850 | 970 | 1070 | ||
| 1192 | 45/7 | 830 | 990 | 1120 | 1240 | ||
| 1272 | 45/7 | 870 | 1030 | 1160 | 1290 | ||
| 1431 | 45/7 | 940 | 1120 | 1250 | 1390 | ||
| 1590 | 45/7 | 1010 | 1200 | 1340 | 1490 | ||
| 1780 | 84/19 | 1090 | 1300 | 1440 | 1600 | ||
| 2156 | 84/19 | 1230 | 1480 | 1610 | 1810 | ||
| Non-ACSR aluminum conductors are within a few amps of the above values | |||||||
