Southwire’s innovative C7® Overhead Conductor features a multi-stranded, carbon-fiber composite core to provide greater flexibility, reliability and single-failure tolerance. Its advanced core and polymer coating provide our C7 Overhead Conductor with unprecedented sag/tension performance and a 40+ year service life expectancy. From new lines to reconductoring, the C7 Overhead Conductor is engineered to withstand the rigors of installation and operation. Utilities can reduce new-line costs by designing lines with fewer structures or shorter structures, reducing overall construction costs. Line upgrades are also more affordable, as the C7 Overhead Conductor can be used in reconductoring applications to double the ampacity of an existing ACSR, with less sag, without exceeding existing design tensions. As part of Southwire’s complete set of overhead transmission conductors, the C7 Overhead Conductor fulfills a market need for increased performance, capacity and affordability. It is available in Trapezoidal Wire (TW), Aluminum Zirconium (Al-Zr) and O-Temper versions to better suit your specific needs.
Codeword | Size (AWG or kcmil) (mm2) | Type No. | Conductor Diameter (inches) (mm) | Total Weight (lbs/1000') (kgs/km) | RBS (lb) (kg) |
Fundy/TW
Fundy/TW
|
203.2 kcmil
203.2 kcmil
|
43
43
|
0.585
1.49
|
241
359
|
21600.0
9797.59
|
Shenandoah/TW
Shenandoah/TW
|
266.8 kcmil
266.8 kcmil
|
21
21
|
0.608
1.54
|
281
418
|
18000.0
8164.66
|
Olympic/TW
Olympic/TW
|
325 kcmil
325 kcmil
|
17
17
|
0.671
1.70
|
335
498
|
19200.0
8708.97
|
Wrangell/TW
Wrangell/TW
|
336.4 kcmil
336.4 kcmil
|
17
17
|
0.681
1.73
|
346
514
|
19200.0
8708.97
|
Badlands/TW
Badlands/TW
|
336.4 kcmil
336.4 kcmil
|
22
22
|
0.685
1.74
|
356
530
|
23400.0
10614.05
|
Andes/TW
Andes/TW
|
397.5 kcmil
397.5 kcmil
|
14
14
|
0.710
1.80
|
402
599
|
20300.0
9207.92
|
Joshua Tree/TW
Joshua Tree/TW
|
397.5 kcmil
397.5 kcmil
|
16
16
|
0.718
1.82
|
407
606
|
22300.0
10115.10
|
Sequoia/TW
Sequoia/TW
|
397.5 kcmil
397.5 kcmil
|
22
22
|
0.738
1.87
|
421
627
|
27800.0
12609.86
|
Rogers/TW
Rogers/TW
|
477 kcmil
477 kcmil
|
13
13
|
0.778
1.98
|
481
716
|
23600.0
10704.77
|
Yosemite/TW
Yosemite/TW
|
477 kcmil
477 kcmil
|
15
15
|
0.787
2.00
|
486
724
|
25700.0
11657.31
|
Capitol Reef/TW
Capitol Reef/TW
|
477 kcmil
477 kcmil
|
23
23
|
0.820
2.08
|
508
756
|
34200.0
15512.85
|
Tortugas/TW
Tortugas/TW
|
636 kcmil
636 kcmil
|
10
10
|
0.880
2.24
|
629
936
|
26300.0
11929.47
|
Yellowstone/TW
Yellowstone/TW
|
636 kcmil
636 kcmil
|
12
12
|
0.887
2.25
|
634
944
|
28200.0
12791.29
|
Glacier/TW
Glacier/TW
|
636 kcmil
636 kcmil
|
15
15
|
0.905
2.30
|
648
965
|
34300.0
15558.21
|
Carlsbad/TW
Carlsbad/TW
|
636 kcmil
636 kcmil
|
22
22
|
0.937
2.38
|
675
1004
|
41300.0
18733.35
|
Congaree/TW
Congaree/TW
|
641.7 kcmil
641.7 kcmil
|
11
11
|
0.890
2.26
|
640
952
|
28300.0
12836.65
|
Vinson/TW
Vinson/TW
|
714 kcmil
714 kcmil
|
10
10
|
0.933
2.37
|
707
1052
|
29500.0
13380.96
|
Kilimanjaro/TW
Kilimanjaro/TW
|
795 kcmil
795 kcmil
|
7
7
|
0.962
2.44
|
772
1149
|
26700.0
12110.91
|
Alps/TW
Alps/TW
|
795 kcmil
795 kcmil
|
9
9
|
0.974
2.47
|
782
1164
|
30900.0
14015.99
|
Wind Cave/TW
Wind Cave/TW
|
795 kcmil
795 kcmil
|
12
12
|
0.990
2.51
|
796
1185
|
36700.0
16646.83
|
Denali/TW
Denali/TW
|
795 kcmil
795 kcmil
|
16
16
|
1.010
2.57
|
815
1213
|
44500.0
20184.84
|
Rocky/TW
Rocky/TW
|
795 kcmil
795 kcmil
|
22
22
|
1.044
2.65
|
842
1254
|
51200.0
23223.91
|
Crater Lake/TW
Crater Lake/TW
|
954 kcmil
954 kcmil
|
7
7
|
1.058
2.69
|
930
1383
|
31400.0
14242.79
|
Grand Canyon/TW
Grand Canyon/TW
|
954 kcmil
954 kcmil
|
10
10
|
1.072
2.72
|
949
1412
|
39400.0
17871.52
|
Fuji/TW
Fuji/TW
|
954 kcmil
954 kcmil
|
12
12
|
1.077
2.74
|
956
1423
|
44300.0
20094.13
|
Jasper/TW
Jasper/TW
|
954 kcmil
954 kcmil
|
16
16
|
1.104
2.80
|
976
1452
|
48700.0
22089.93
|
Arches/TW
Arches/TW
|
954 kcmil
954 kcmil
|
20
20
|
1.126
2.86
|
999
1486
|
56800.0
25764.03
|
Everglades/TW
Everglades/TW
|
973.1 kcmil
973.1 kcmil
|
14
14
|
1.108
2.81
|
987
1469
|
46800.0
21228.11
|
Big Bend/TW
Big Bend/TW
|
1033.5 kcmil
1033.5 kcmil
|
5
5
|
1.093
2.78
|
998
1486
|
30700.0
13925.27
|
Lassen/TW
Lassen/TW
|
1033.5 kcmil
1033.5 kcmil
|
7
7
|
1.103
2.80
|
1009
1502
|
34900.0
15830.36
|
Tahoe/TW
Tahoe/TW
|
1033.5 kcmil
1033.5 kcmil
|
11
11
|
1.118
2.84
|
1030
1533
|
43400.0
19685.89
|
Samoa/TW
Samoa/TW
|
1033.5 kcmil
1033.5 kcmil
|
13
13
|
1.130
2.87
|
1037
1544
|
48600.0
22044.57
|
Cook/TW
Cook/TW
|
1113 kcmil
1113 kcmil
|
5
5
|
1.125
2.86
|
1073
1597
|
31600.0
14333.51
|
Blanc/TW
Blanc/TW
|
1113 kcmil
1113 kcmil
|
7
7
|
1.139
2.89
|
1084
1612
|
36200.0
16420.03
|
Niagara/TW
Niagara/TW
|
1113 kcmil
1113 kcmil
|
10
10
|
1.155
2.93
|
1104
1643
|
44700.0
20275.56
|
Gannett/TW
Gannett/TW
|
1113 kcmil
1113 kcmil
|
13
13
|
1.181
3.00
|
1123
1672
|
49100.0
22271.37
|
Washington/TW
Washington/TW
|
1192.5 kcmil
1192.5 kcmil
|
5
5
|
1.166
2.96
|
1147
1707
|
32900.0
14923.18
|
Elbert/TW
Elbert/TW
|
1192.5 kcmil
1192.5 kcmil
|
7
7
|
1.184
3.01
|
1166
1735
|
40400.0
18325.12
|
Kings Canyon/TW
Kings Canyon/TW
|
1192.5 kcmil
1192.5 kcmil
|
10
10
|
1.203
3.06
|
1184
1762
|
47900.0
21727.06
|
Acadia/TW
Acadia/TW
|
1192.5 kcmil
1192.5 kcmil
|
13
13
|
1.223
3.11
|
1204
1792
|
52800.0
23949.66
|
Redwood/TW
Redwood/TW
|
1233.6 kcmil
1233.6 kcmil
|
7
7
|
1.206
3.06
|
1204
1792
|
41600.0
18869.43
|
Mesa Verde/TW
Mesa Verde/TW
|
1233.6 kcmil
1233.6 kcmil
|
10
10
|
1.221
3.10
|
1223
1819
|
49000.0
22226.01
|
Biscayne/TW
Biscayne/TW
|
1233.6 kcmil
1233.6 kcmil
|
13
13
|
1.245
3.16
|
1249
1858
|
55800.0
25310.43
|
Saguaro/TW
Saguaro/TW
|
1272 kcmil
1272 kcmil
|
5
5
|
1.211
3.08
|
1226
1825
|
36700.0
16646.83
|
Sierra Nevada/TW
Sierra Nevada/TW
|
1272 kcmil
1272 kcmil
|
7
7
|
1.224
3.11
|
1240
1846
|
42200.0
19141.58
|
Eldorado/TW
Eldorado/TW
|
1272 kcmil
1272 kcmil
|
10
10
|
1.244
3.16
|
1265
1883
|
52600.0
23858.94
|
Voyageurs/TW
Voyageurs/TW
|
1272 kcmil
1272 kcmil
|
13
13
|
1.259
3.20
|
1285
1912
|
56500.0
25627.95
|
Cascades/TW
Cascades/TW
|
1351.5 kcmil
1351.5 kcmil
|
7
7
|
1.264
3.21
|
1321
1965
|
45600.0
20683.80
|
Banff/TW
Banff/TW
|
1351.5 kcmil
1351.5 kcmil
|
10
10
|
1.278
3.25
|
1340
1994
|
53900.0
24448.61
|
Elbrus/TW
Elbrus/TW
|
1351.5 kcmil
1351.5 kcmil
|
13
13
|
1.299
3.30
|
1366
2032
|
60300.0
27351.60
|
Bryce Canyon/TW
Bryce Canyon/TW
|
1590 kcmil
1590 kcmil
|
7
7
|
1.357
3.45
|
1550
2307
|
52200.0
23677.50
|
Adirondack/TW
Adirondack/TW
|
1590 kcmil
1590 kcmil
|
10
10
|
1.386
3.52
|
1581
2353
|
61200.0
27759.83
|
Zion/TW
Zion/TW
|
1590 kcmil
1590 kcmil
|
12
12
|
1.405
3.57
|
1597
2377
|
66900.0
30345.30
|
Teton/TW
Teton/TW
|
1780 kcmil
1780 kcmil
|
5
5
|
1.422
3.61
|
1720
2560
|
52600.0
23858.94
|
Everest/TW
Everest/TW
|
1780 kcmil
1780 kcmil
|
8
8
|
1.441
3.66
|
1746
2599
|
59700.0
27079.44
|
Katmai/TW
Katmai/TW
|
1780 kcmil
1780 kcmil
|
10
10
|
1.463
3.72
|
1766
2628
|
66800.0
30299.95
|