TABLE II-C. Details of high strength copper alloy conductors.
Conductor area
Diameter of stranded conductor
Max resistance of
Min
(circular mils)
Allow-
conductor (ohms/1000
Stranding
breaking
Nominal
Max (Inch)
able
ft at 20 °C)
Size
(no. of
strength
Elong-
dia. of
K-
no. of
Sm dia
Gen'l purpose
desig-
strands X
(lbs)
ation
individual
value
missing
Nominal
Min
Silver
Nickel
nation
AWG of
(SCA/
(% min)
strands
Minimum
strands
1/ (all)
(Inch)
(SCA/
(SCA/
Coated
Coated
strands)
SCA1/
(Inch) 1/
(NCA)
(NCA)
(Max)
SCA1)
SCA1)
(SCA/
(NCA)
NCA)
SCA1)
30
112
102
.77
7x38
0
0.0040
0.0105
0.0124
0.0134
0.0124
0.0134
117.4
129.6
5.2
6
28
175
161
1.05
7x36
0
0.0050
0.0135
0.0154
0.0164
0.0154
0.0164
74.4
79.0
8.2
6
26
304
275
1.34
19x38
0
0.0040
0.0175
0.0204
0.0204
0.0204
0.0214
44.8
49.4
14.2
6
24
475
434
1.18
19x36
0
0.0050
0.0225
0.0244
0.0254
0.0254
0.0264
28.4
30.1
22.4
6
22
754
694
1.87
19x34
0
0.0063
0.0285
0.0314
0.0314
0.0324
0.0334
17.5
18.6
35.8
6
20
1,216
1,127
1.34
19x32
0
0.0080
0.0365
0.0395
0.0404
0.0404
0.0414
10.7
11.4
58.1
6
18
1,900
1,770
1.34
19x30
0
0.0100
0.0465
0.0467
0.0467
0.0504
0.0514
6.43
6.79
90.3
6
16
2,426
2,261
1.19
19x29
0
0.0113
0.0515
0.0530
0.0530
0.0574
0.0584
4.90
5.16
115
6
1/ Nominal values are for information only. Nominal values are not requirements.
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