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ACSS/TW Aluminum Conductor Steel Supported Trapezoidal Shaped Aluminum Strands

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APPLICATIONS
ACSS/TW is designed for overhead distribution and transmission lines. It is designed to operate continuously at elevated temperatures up to 250 ºC without loss of strength, it sags less under emergency electrical loadings than ACSR/TW, excellent self-damping properties, and its final sags are not affected by long-term creep of aluminum. ACSS/TW is available in equal area and equal diameter design. The equal area design allows equal ampacity in a smaller diameter conductor when compared with a standard ACSS conductor. The equal diameter design allows more ampacity in an equal diameter conductor when compared with a standard ACSS conductor. ACSS/TW also provides many design opportunities for new line construction: i.e., reduced tower cost, decreased sag, increased self-damping properties, increased operating temperature and improved corrosion resistance.

SPECIFICATIONS
  • B500 Metallic Coated Stranded Steel Core for Aluminum Conductors, Steel Reinforced.
  • B609 Aluminum 1350 Round Wire, Annealed and Intermediate Tempers, for Electrical Purposes.
  • B802 Zinc-5% Aluminum-Mischmetal Alloy-Coated Steel Core Wire for Aluminum Conductors, Steel Reinforced.
  • B803 High-Strength Zinc-5% Aluminum-Mischmetal Alloy-Coated Steel Core Wire for Aluminum and Aluminum-Alloy Conductors, Steel Reinforced.
  • B856 Concentric-Lay-Stranded Aluminum Conductors, Coated Steel Supported (ACSS).
  • B857 Shaped Wire Compact Concentric-Lay-Stranded Aluminum Conductors, Coated-Steel Supported (ACSS/TW).
CONSTRUCTION
ACSS is a composite concentric-lay-stranded conductor. Steel strands form the central core of the conductor with one or more layers of 63% minimum average conductivity aluminum 1350-0 wire stranded around it. The steel core carries most or all of the mechanical load of the conductor due to the ""0"" (fully annealed or soft) temper aluminum. Steel core wires are protected from corrosion by a zinc-5% aluminum-mischmetal alloy coating. High strength steel core, aluminized, and aluminum clad steel core is also available.

NOTES
  1. Data based on a nominal cable manufactured in accordance with ASTM B 857.
  2. Resistance and ampacity based on an aluminum conductivity of 63% IACS at 20 ºC and a steel conductivity of 8% IACS at 20 ºC.
  3. Ampacity based on referenced conductor temperature, 25 ºC ambient temperature, 2 ft/sec wind, in sun, with an emmisivity of 0.5 and a coefficient of solar absorption of 0.5, at sea level.
  4. Rated breaking strength for standard core based on Class A zinc-5% aluminum-mischmetal alloy coated steel core wire in accordance with ASTM B 802.
  5. Rated strength for high strength core based on Class A zinc-5% aluminum-mischmetal alloy coated high strength steel core wire in accordance with ASTM B 803.
  6. The final design of a shaped wire compact conductor is contingent upon several factors such as: layer diameter, wire width and wire thickness. The actual configuration of a given size may vary between manufacturers. This may result in a slight variation in the number of wires, number of layers and dimensions of individual wires from that shown in the chart.
    1. "





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  Results 1 - 71 of 71 1 

Item #

Size
(kcmil)

Type
No.

Cross
Sectional
Area
Aluminum
(in²)

Cross
Sectional
Area
Total
(in²)

Stranding
No
of
Layers
of
Aluminum

Stranding
No.
of
Aluminum
Wires

No.
&
Diameter
Individual
Steel
Wire

Diameter
Steel
Core
(in.)

Diameter
Complete
Cable
(in.)

Alum.
Weight
(lbs/MFT)

Steel
Weight
(lbs/MFT)

Total
Weight
(lbs/MFT)

Rated
Breaking
Strength
Standard
Strength
(lbs)

Rated
Breaking
Strength
High
Strength
(lbs)

Rated
Breaking
Strength
Ultra
High
Strength
(lbs)

Resistance
DC
@
20 °C
(ohms/mile)

Resistance
AC
@
75 °C
(ohms/mile)

Ampacity
@
75 °C
(amps)

Ampacity
@
100 °C
(amps)

Ampacity
@
150 °C
(amps)

Ampacity
@
200 °C
(amps)

Ampacity
@
250 °C
(amps)

Linnet/ACSS/TW 336.4 16 0.2641 0.307 2 18 7 x 0.0884 0.2652 0.659 315.9 145.5 461.4 11,200 12,300 14,400 0.2588 0.3181 523 638 801 921 1021
Oriole/ACSS/TW 336.4 23 0.2642 0.3258 2 16 7 x 0.1059 0.3177 0.693 316.1 208.7 524.8 14,800 16,300 19,100 0.2565 0.3151 533 650 816 940 1043
Flicker/ACSS/TW 477 13 0.3747 0.4233 2 18 7 x 0.0940 0.282 0.776 447.8 164.5 612.3 13,000 14,200 16,400 0.1831 0.2255 648 793 998 1151 1279
Hawk/ACSS/TW 477 16 0.3746 0.4356 2 18 7 x 0.1053 0.3159 0.789 448.1 206.4 654.5 15,600 17,100 19,800 0.1825 0.2247 652 799 1005 1159 1289
Hen/ACSS/TW 477 23 0.3747 0.4621 2 16 7 x 0.1261 0.3783 0.825 448.3 296 744.3 21,000 22,700 26,700 0.1809 0.2225 663 813 1024 1181 1315
Parakeet/ACSS/TW 556.5 13 0.4371 0.4937 2 18 7 x 0.1015 0.3045 0.835 522.4 191.8 714.2 15,200 16,600 19,100 0.1569 0.1935 713 874 1102 1271 1415
Dove/ACSS/TW 556.5 16 0.4371 0.5083 2 20 7 x 0.1138 0.3414 0.852 522.9 241 763.9 18,200 19,900 23,100 0.1564 0.1928 719 881 1111 1282 1427
Rook/ACSS/TW 636 13 0.4995 0.5643 2 18 7 x 0.1085 0.3255 0.89 597 219.1 816.1 17,300 19,000 21,900 0.1373 0.1696 775 951 1200 1386 1544
Grosbeak/ACSS/TW 636 16 0.4995 0.5808 2 20 7 x 0.1216 0.3648 0.908 597.6 275.2 872.8 20,700 22,400 26,000 0.1369 0.1689 781 958 1210 1398 1557
Scoter/ACSS/TW 636 23 0.4995 0.616 2 18 7 x 0.1456 0.4368 0.953 597.6 394.6 992.2 27,400 29,700 35,000 0.1356 0.1672 795 976 1234 1427 1591
Tern/ACSS/TW 795 7 0.6244 0.6675 2 17 7 x 0.0886 0.2658 0.96 745.2 146.1 891.3 14,200 15,200 17,400 0.1105 0.1373 878 1080 1366 1580 1762
Puffin/ACSS/TW 795 11 0.6244 0.6919 2 18 7 x 0.1056 0.3168 0.98 745.9 228.5 974.4 17,700 19,200 22,000 0.1101 0.1365 886 1090 1378 1595 1778
Condor/ACSS/TW 795 13 0.6244 0.7053 2 20 7 x 0.1213 0.3639 0.993 746.3 273.9 1020 21,700 23,300 26,900 0.1098 0.1361 890 1095 1386 1604 1789
Drake/ACSS/TW 795 16 0.6244 0.7261 2 20 7 x 0.1360 0.408 1.01 747 344.3 1091 25,900 28,000 32,600 0.1095 0.1355 896 1103 1396 1616 1803
Canary/ACSS/TW 900 13 0.7069 0.7983 2 20 7 x 0.1291 0.3873 1.055 844.9 310.2 1155 24,600 26,400 30,500 0.097 0.1205 962 1185 1501 1739 1942
Phoenix/ACSS/TW 954 5 0.7493 0.7876 3 30 7 x 0.0837 0.2511 1.044 897.7 130.4 1028 14,200 15,200 17,100 0.0927 0.1187 967 1189 1503 1740 1940
Rail/ACSS/TW 954 7 0.7493 0.8011 3 32 7 x 0.0971 0.2913 1.061 898.6 175.5 1074 16,700 18,000 20,400 0.0926 0.1183 972 1196 1512 1750 1953
Cardinal/ACSS/TW 954 13 0.7493 0.8464 2 20 7 x 0.1329 0.3987 1.084 895.5 328.7 1224 26,000 28,000 32,300 0.0915 0.1138 997 1229 1558 1806 2016
Snowbird/ACSS/TW 1033.5 5 0.8117 0.8534 3 30 7 x 0.0871 0.2613 1.089 972.5 141.2 1114 15,400 16,400 18,500 0.0856 0.1098 1016 1251 1584 1834 2048
Ortolan/ACSS/TW 1033.5 7 0.8117 0.8678 3 32 7 x 0.1010 0.303 1.102 972.5 189.9 1162 18,100 19,500 22,000 0.0854 0.1095 1021 1257 1592 1843 2058
Curlew/ACSS/TW 1033.5 13 0.8117 0.9169 2 20 7 x 0.1383 0.4149 1.129 970.1 356 1326 28,200 30,300 35,000 0.0845 0.1053 1048 1293 1641 1903 2126
Avocet/ACSS/TW 1113 5 0.8742 0.9191 3 30 7 x 0.0904 0.2712 1.129 1047 152.1 1199 16,300 17,500 19,500 0.0794 0.1022 1063 1310 1661 1925 2150
Bluejay/ACSS/TW 1113 7 0.8742 0.9347 3 33 7 x 0.1049 0.3147 1.143 1048 204.8 1253 19,500 21,000 23,800 0.0793 0.1019 1068 1317 1669 1935 2161
Finch/ACSS/TW 1113 13 0.8743 0.9852 3 38 19 x 0.0862 0.431 1.185 1051 376.1 1427 30,400 33,200 38,700 0.0789 0.101 1084 1336 1695 1965 2196
Oxbird/ACSS/TW 1192.5 5 0.9366 0.9848 3 30 7 x 0.0936 0.2808 1.167 1122 163.1 1285 17,500 18,700 20,900 0.0741 0.0957 1108 1367 1735 2013 2249
Bunting/ACSS/TW 1192.5 7 0.9366 1.0013 3 34 7 x 0.1085 0.3255 1.181 1123 219.1 1342 20,900 22,500 25,400 0.074 0.0954 1114 1374 1744 2023 2261
Grackle/ACSS/TW 1192.5 13 0.9366 1.0554 3 38 19 x 0.0892 0.446 1.225 1126 402.8 1529 32,600 35,500 41,500 0.0737 0.0944 1130 1395 1771 2055 2298
Scissortail/ACSS/TW 1272 5 0.9991 1.0505 3 30 7 x 0.0967 0.2901 1.203 1197 174 1371 18,700 20,000 22,300 0.0695 0.09 1152 1423 1807 2098 2346
Bittern/ACSS/TW 1272 7 0.999 1.0681 3 35 7 x 0.1121 0.3363 1.22 1198 233.9 1432 22,300 24,000 27,100 0.0694 0.0897 1159 1431 1817 2110 2360
Pheasant/ACSS/TW 1272 13 0.999 1.1256 3 39 19 x 0.0921 0.4605 1.264 1201 429.4 1630 34,100 37,300 43,000 0.0691 0.0887 1176 1452 1846 2143 2398
Dipper/ACSS/TW 1351.5 7 1.0615 1.1348 3 35 7 x 0.1155 0.3465 1.256 1273 248.3 1521 23,700 25,500 28,800 0.0653 0.0847 1202 1485 1888 2194 2455
Martin/ACSS/TW 1351.5 13 1.0615 1.1959 3 42 19 x 0.0949 0.4745 1.3 1276 455.9 1732 36,200 39,600 45,600 0.065 0.0837 1220 1508 1918 2228 2494
Bobolink/ACSS/TW 1431 7 1.1236 1.2017 3 36 7 x 0.1189 0.3567 1.291 1347 263.1 1611 25,100 27,000 30,500 0.0617 0.0802 1243 1538 1958 2276 2549
Plover/ACSS/TW 1431 13 1.1239 1.2664 3 44 19 x 0.0977 0.4885 1.337 1351 483.2 1834 38,400 41,900 48,300 0.0614 0.0793 1263 1562 1989 2313 2590
Lapwing/ACSS/TW 1590 7 1.2488 1.3351 3 36 7 x 0.1253 0.3759 1.358 1498 292.2 1790 27,900 29,600 33,500 0.0555 0.0727 1324 1640 2092 2435 2730
Falcon/ACSS/TW 1590 13 1.2488 1.4071 3 42 19 x 0.1030 0.515 1.408 1501 537 2038 42,600 46,600 53,700 0.0553 0.0717 1346 1668 2127 2477 2777
Chukar/ACSS/TW 1780 8 1.3986 1.5126 3 37 19 x 0.0874 0.437 1.445 1675 386.7 2062 35,300 38,200 43,900 0.0495 0.0652 1421 1764 2255 2630 2952
Bluebird/ACSS/TW 2156 8 1.6933 1.8309 4 64 19 x 0.0961 0.4805 1.608 2045 467.5 2512 42,100 45,500 51,700 0.0412 0.0543 1601 1999 2573 3014 3396
Mohawk/ACSS/TW 571.7 13 0.449 0.5074 2 18 7 x 0.1030 0.309 0.846 536.6 197.5 734.1 15,600 17,100 19,700 0.1527 0.1884 725 889 1121 1294 1441
Calumet/ACSS/TW 565.3 16 0.4439 0.5162 2 20 7 x 0.1146 0.3441 0.858 531.2 244.4 775.6 18,400 20,200 23,500 0.154 0.1898 725 890 1122 1295 1442
Mystic/ACSS/TW 666.6 13 0.5236 0.5914 2 20 7 x 0.1111 0.3333 0.913 625.7 229.7 855.4 18,200 19,900 22,900 0.131 0.1619 798 980 1238 1431 1595
Oswego/ACSS/TW 664.8 16 0.5221 0.6072 2 20 7 x 0.1244 0.3732 0.927 624.6 288 912.6 21,700 23,400 27,200 0.1309 0.1616 802 985 1244 1439 1604
Maumee/ACSS/TW 768.2 13 0.6034 0.6819 2 20 7 x 0.1195 0.3585 0.977 721.1 265.8 986.9 21,000 23,000 26,500 0.1137 0.1407 872 1072 1356 1569 1750
Wabash/ACSS/TW 762.8 16 0.5992 0.6966 2 20 7 x 0.1331 0.3993 0.99 716.7 329.7 1046 24,900 26,800 31,200 0.1141 0.1411 873 1074 1359 1573 1755
Kettle/ACSS/TW 957.2 7 0.7518 0.8038 3 32 7 x 0.0973 0.2919 1.06 901.6 176.2 1078 16,800 18,100 20,400 0.0922 0.118 973 1197 1514 1753 1955
Fraser/ACSS/TW 946.7 10 0.7436 0.8168 3 35 7 x 0.1154 0.3462 1.077 892.6 247.9 1141 21,100 22,900 26,200 0.093 0.1187 974 1199 1517 1756 1959
Columbia/ACSS/TW 966.2 13 0.7589 0.8573 2 21 7 x 0.1338 0.4014 1.092 906.9 333.2 1240 26,400 28,300 32,800 0.0904 0.1124 1005 1239 1571 1822 2035
Suwannee/ACSS/TW 959.6 16 0.7537 0.8762 2 22 7 x 0.1493 0.4479 1.108 901.6 414.9 1317 30,700 33,100 38,600 0.0907 0.1127 1008 1243 1576 1828 2042
Cheyenne/ACSS/TW 1168.1 5 0.9175 0.9646 3 30 7 x 0.0926 0.2778 1.155 1099 159.6 1259 17,200 18,300 20,500 0.0757 0.0979 1095 1350 1712 1986 2219
Genesee/ACSS/TW 1158 7 0.9095 0.9733 3 33 7 x 0.1078 0.3234 1.165 1091 216.3 1307 20,500 22,100 25,000 0.0762 0.0981 1094 1350 1712 1985 2218
Hudson/ACSS/TW 1158.4 13 0.9098 1.0281 2 25 7 x 0.1467 0.4401 1.196 1087 400.6 1488 31,100 33,500 38,800 0.0754 0.0943 1124 1389 1766 2051 2295
Catawba/ACSS/TW 1272 5 0.9991 1.0505 3 30 7 x 0.0967 0.2901 1.203 1197 174 1371 18,700 20,000 22,300 0.0695 0.09 1152 1423 1807 2098 2346
Nelson/ACSS/TW 1257.1 7 0.9874 1.0557 3 35 7 x 0.1115 0.3345 1.213 1184 231.4 1415 22,100 23,800 26,900 0.0702 0.0907 1150 1420 1804 2094 2342
Yukon/ACSS/TW 1233.6 13 0.9689 1.0925 3 38 19 x 0.0910 0.455 1.245 1165 419.2 1584 33,200 36,300 41,900 0.0712 0.0914 1154 1425 1810 2101 2350
Truckee/ACSS/TW 1372.5 5 1.078 1.1334 3 30 7 x 0.1004 0.3012 1.248 1292 187.6 1479 20,200 21,500 24,000 0.0644 0.0838 1206 1491 1896 2203 2466
Mackenzie/ACSS/TW 1359.7 7 1.0679 1.1418 3 36 7 x 0.1159 0.3477 1.259 1281 250 1531 23,900 25,700 29,000 0.0649 0.0842 1206 1490 1895 2202 2465
Thames/ACSS/TW 1334.6 13 1.048 1.1809 3 39 19 x 0.0944 0.472 1.29 1260 451.1 1711 35,800 39,100 45,100 0.0658 0.0847 1210 1495 1902 2209 2472
St. Croix/ACSS/TW 1467.8 5 1.1529 1.2124 3 33 7 x 0.1041 0.3123 1.292 1381 201.7 1583 21,600 23,100 25,800 0.0602 0.0787 1256 1554 1979 2302 2578
Miramichi/ACSS/TW 1455.3 7 1.143 1.2222 3 36 7 x 0.1200 0.36 1.302 1372 268 1640 25,600 27,100 30,700 0.0607 0.079 1269 1573 2007 2338 2577
Merrimack/ACSS/TW 1433.6 13 1.125 1.2677 3 39 19 x 0.0978 0.489 1.34 1356 434 1840 38,400 42,000 48,400 0.0613 0.0791 1277 1584 2021 2354 2595
Platte/ACSS/TW 1569 5 1.2323 1.2957 3 33 7 x 0.1074 0.3222 1.334 1478 215 1693 23,100 24,600 27,500 0.0564 0.074 1319 1637 2092 2439 2692
Potomac/ACSS/TW 1557.4 7 1.2232 1.3079 3 36 7 x 0.1241 0.3723 1.345 1468 287 1755 27,300 29,000 32,800 0.0567 0.0741 1321 1639 2094 2441 2694
Rio Grande/ACSS/TW 1533.3 13 1.2043 1.3571 3 39 19 x 0.1012 0.506 1.382 1449 519 1968 41,200 45,000 51,900 0.0573 0.0742 1329 1650 2108 2456 2710
Schuylkill/ACSS/TW 1657.4 7 1.302 1.392 3 36 7 x 0.1280 0.384 1.386 1563 305 1868 29,100 30,900 34,900 0.0533 0.07 1370 1702 2177 2539 2805
Pecos/ACSS/TW 1622 13 1.2739 1.4429 3 39 19 x 0.1064 0.532 1.424 1533 574 2107 45,000 49,300 56,900 0.0541 0.0703 1377 1710 2187 2551 2816
Pee Dee/ACSS/TW 1758.6 7 1.381 1.477 3 37 7 x 0.1319 0.3957 1.427 1658 324 1982 30,900 32,800 37,100 0.0502 0.0663 1418 1763 2259 2637 2916
James/ACSS/TW 1730.6 13 1.359 1.5314 3 34 19 x 0.1075 0.5375 1.47 1636 585 2221 46,400 50,800 58,500 0.0508 0.0663 1430 1778 2277 2657 2937
Athabaska/ACSS/TW 1949.6 7 1.5312 1.6377 3 44 7 x 0.1392 0.4176 1.504 1836 360.7 2197 34,300 36,500 41,300 0.0453 0.0595 1505 1873 2403 2808 3157
Cumberland/ACSS/TW 1926.9 13 1.5134 1.7049 3 42 19 x 0.1133 0.5665 1.545 1819 649.8 2469 51,600 56,400 65,000 0.0456 0.06 1508 1875 2400 2802 3148
Powder/ACSS/TW 2153.8 8 1.6912 1.829 4 64 19 x 0.0961 0.4805 1.602 2043 467.5 2510 42,100 45,500 51,700 0.0412 0.0543 1599 1996 2569 3009 3391
Santee/ACSS/TW 2627.3 8 2.063 2.2268 4 64 19 x 0.1062 0.531 1.762 2492 570.9 3062 51,300 55,600 63,100 0.0338 0.0459 1784 2237 2894 3403 3846
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