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NOTE: CONCERNING PAPER INSULATED CABLE
Table D. - Parts 3 to 7
Use multiplying factors (F) for cables with small
conductors as follows:
Conductor size, AWG number
1 2 3 4 5 6
Factor F, stranded conductor
1.00 0.97 0.94 0.91 0.88 0.85
Table D. - Cable d-c test voltage guide - (continued)
Part 3
Solid-type Impregnated-paper Insulated Lead Covered
Cable Specifications
AEIC loth Edition, April 1968
d-c/a-c ratio =
2.4 at 25
E
C
Rated kV
phase
to phase
Gr. Ung.
Conductor
size
(AWG or
kcmil)
Conductor
insulation
thickness
mils mm
Single conductor shielded
and nonshielded*
1 1
2 2
3 3
4 4
5 5
6 -
7 -
6-1000
1001-2500
2501-4000
6-1000
1001-2500
2501-4000
6-1000
1001-2500
2501-4000
6-1000
1001-2500
2501-4000
6-1000
1001-2500
2501-4000
6-1000
1001-4000
6-4000
60 1.52
75 1.91
90 2.29
65 1.65
80 2.03
95 2.41
75 1.91
90 2.29
100 2.54
85 2.16
95 2.41
105 2.67
90 2.29
100 2.54
105 2.67
100 2.54
105 2.67
105 2.67
12.1F
17.3
22.4
13.8
19.0
24.2
17.3F
22.4
25.9
20.8F
24.2
27.7
22.4F
25.9
27.7
25.9F
27.7
27.7F
*All test values rounded off to 1 decimal place, and voltages are
60 percent of factory test.
36
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This Information is Reprinted From UNITED STATES DEPARTMENT OF THE INTERIOR BUREAU OF RECLAMATION