Predominantly used for underground transmission in conduit systems, suitable for use in wet or dry locations, direct burial, underground duct, and where exposed to sunlight. To be used at 69,000 volts or less and at conductor temperatures not to exceed 90°C for normal operation.
| Cu Cond, Cu Screen Wires, Cu Laminate | Al Cond, Cu Screen Wires, Al Laminate | ||||||||
| Size (kcmil¹) (mm^2) | Conductor Diameter (inches) (mm) | Insulation Thickness (inch) (cm) | Diameter Over Insulation (inch) (cm) | Overall Jacket Diameter (inch) (cm) | Min. Bend Radius (inch) (inch) | Capacitance | Charging Current (A/kft) | Cable Weight² (lbs/ft) | Cable Weight² (lbs/ft) |
|
500
12.70
|
0.74
1.88
|
354
899.16
|
1.54
3.91
|
2.10
5.33
|
38/26
38/26
|
65.87
65.87
|
0.99
0.99
|
3.64
3.64
|
2.63
2.63
|
|
750
19.05
|
0.91
2.31
|
354
899.16
|
1.71
4.34
|
2.28
5.79
|
42/28
42/28
|
76.01
76.01
|
1.14
1.14
|
4.57
4.57
|
3.03
3.03
|
|
1000
25.40
|
1.06
2.69
|
354
899.16
|
1.88
4.78
|
2.46
6.25
|
45/30
45/30
|
85.60
85.60
|
1.29
1.29
|
5.50
5.50
|
3.43
3.43
|
|
1250
31.75
|
1.19
3.02
|
354
899.16
|
2.00
5.08
|
2.60
6.60
|
47/32
47/32
|
93.13
93.13
|
1.40
1.40
|
6.33
6.33
|
3.77
3.77
|
|
1500
38.10
|
1.32
3.35
|
354
899.16
|
2.13
5.41
|
2.74
6.96
|
50/33
50/33
|
100.69
100.69
|
1.51
1.51
|
7.22
7.22
|
4.12
4.12
|
|
1750
44.45
|
1.43
3.63
|
354
899.16
|
2.26
5.74
|
2.88
7.32
|
52/35
52/35
|
108.23
108.23
|
1.63
1.63
|
8.13
8.13
|
4.51
4.51
|
|
2000
50.80
|
1.50
3.81
|
354
899.16
|
2.35
5.97
|
2.97
7.54
|
54/36
54/36
|
113.10
113.10
|
1.70
1.70
|
8.98
8.98
|
4.82
4.82
|
|
2500
63.50
|
1.81
4.60
|
500
1270.00
|
3.00
7.62
|
3.70
9.40
|
67/44
67/44
|
100.20
100.20
|
1.51
1.51
|
11.80
11.80
|
6.20
6.20
|
|
3000
76.20
|
1.97
5.00
|
500
1270.00
|
3.16
8.03
|
3.88
9.86
|
70/47
70/47
|
106.73
106.73
|
1.60
1.60
|
13.40
13.40
|
6.90
6.90
|
|
3500
88.90
|
2.07
5.26
|
500
1270.00
|
3.26
8.28
|
3.98
10.11
|
72/48
72/48
|
110.93
110.93
|
1.67
1.67
|
15.40
15.40
|
7.50
7.50
|
|
4000
101.60
|
2.24
5.69
|
500
1270.00
|
3.43
8.71
|
4.16
10.57
|
75/50
75/50
|
117.88
117.88
|
1.77
1.77
|
17.70
17.70
|
8.30
8.30
|
|
5000
127.00
|
2.49
6.32
|
500
1270.00
|
3.68
9.35
|
4.42
11.23
|
80/53
80/53
|
128.02
128.02
|
1.92
1.92
|
21.70
21.70
|
9.80
9.80
|
|
6000
152.40
|
2.67
6.78
|
500
1270.00
|
3.86
9.80
|
4.62
11.73
|
83/56
83/56
|
135.54
135.54
|
2.04
2.04
|
25.10
25.10
|
10.30
10.30
|
| Copper Conductor Size (kcmil¹) Load Factor @ 75% | Aluminum Conductor Size (kcmil¹) Load Factor @ 75% | |||||||
| Size (kcmil¹) (mm^2) | Single Circuit (Amps) | Power Rating (MVA) | Double Circuit (Amps) | Power Rating (MVA) | Single Circuit (Amps) | Power Rating (MVA) | Double Circuit (Amps) | Power Rating (MVA) |
|
500
12.70
|
620
620
|
74
74
|
520
520
|
62
62
|
490
490
|
59
59
|
410
410
|
49
49
|
|
750
19.05
|
770
770
|
92
92
|
640
640
|
76
76
|
610
610
|
73
73
|
510
510
|
61
61
|
|
1000
25.40
|
900
900
|
108
108
|
740
740
|
88
88
|
710
710
|
85
85
|
590
590
|
71
71
|
|
1250
31.75
|
1010
1010
|
121
121
|
830
830
|
99
99
|
800
800
|
96
96
|
660
660
|
79
79
|
|
1500
38.10
|
1100
1100
|
131
131
|
900
900
|
108
108
|
880
880
|
105
105
|
720
720
|
86
86
|
|
1750
44.45
|
1180
1180
|
141
141
|
960
960
|
115
115
|
960
960
|
115
115
|
780
780
|
93
93
|
|
2000
50.80
|
1250
1250
|
149
149
|
1010
1010
|
121
121
|
1020
1020
|
122
122
|
830
830
|
99
99
|
|
2500
63.50
|
1470
1470
|
176
176
|
1240
1240
|
148
148
|
1160
1160
|
139
139
|
920
920
|
110
110
|
|
3000
76.20
|
1610
1610
|
192
192
|
1350
1350
|
161
161
|
1290
1290
|
154
154
|
1080
1080
|
129
129
|
|
3500
88.90
|
1730
1730
|
207
207
|
1450
1450
|
173
173
|
1400
1400
|
167
167
|
1170
1170
|
140
140
|
|
4000
101.60
|
1840
1840
|
220
220
|
1520
1520
|
182
182
|
1500
1500
|
179
179
|
1250
1250
|
149
149
|
|
5000
127.00
|
1870
1870
|
223
223
|
1480
1480
|
177
177
|
1720
1720
|
206
206
|
1430
1430
|
171
171
|
|
6000
152.40
|
1900
1900
|
227
227
|
1520
1520
|
182
182
|
1853
1853
|
221
221
|
1486
1486
|
178
178
|
12500-6000 kcmil conductors are 5 segment Milliken conductors.
2Weight based on screen sized at 279 kcmil which is calculated to accommodate 30 kA for 0.5 sec.
3Based upon single point or cross bonding scheme.
⁴Based on the installation assumptions indicated in the "High Voltage Underground Installation Ratings" located in the Resource Tab