Custom Battery Cables

Technical data and wire gauge charts. 

Note: I got the following information from a variety of sources.  I have not personally verified the data shown.

AWG
Size
Insulation
Thickness
Diameter Approx.
Weight
6 65 mils 0.333 in. 116 lbs./1000'
4 65 mils 0.360 in. 158 lbs./1000'
2 60 mils 0.440 in. 244 lbs./1000'
1 60 mils 0.480 in. 304 lbs./1000'
1/0 65 mils 0.520 in. 370 lbs./1000'
2/0 65 mils 0.570 in. 458 lbs./1000'
3/0 78 mils 0.660 in. 586 lbs./1000'
4/0 78 mils 0.740 in. 779 lbs./1000'

 

Allowable Amperage of Conductors for Under 50V (Per SAE J-378)
Note: Since most wire is rated at 85C use the 80C values.

Conductor Size
(AWG)

Inside Engine Spaces
67C
(140F)
75C
(167F)
80C
(176F)
90C
(194F)
105C
(221F)
125C
(257F)

18

5.8 7.5 11.7 16.4 17.0 22.3

16

8.7 11.3 15.6 20.5 21.3 26.7

14

11.6 15.0 19.5 29.8 35.6 45

12

14.5 18.8 27.3 32.8 38.3 44.5

10

23.2 30.0 39.0 45.1 51.0 62.3

8

31.9 48.8 54.6 57.4 68.0 80.1

6

46.4 71.3 78.0 82.0 102.0 111.3

4

60.9 93.8 101.4 110.7 136.0 151.3

3

69.6 108.8 117.0 127.1 153.0 173.6

2

81.2 127.5 136.5 147.6 178.5 200.3

1

95.7 146.3 163.8 172.2 208.3 235.9

0 or 1/0

113.1 172.5 191.1 200.9 242.3 271.5

2/0

130.5 198.8 222.3 233.7 280.5 316.0

3/0

150.8 232.5 257.4 270.6 327.3 364.9

4/0

174.0 270.0 300.3 315.7 378.3 422.8



Copyright 2003-2006 CustomBatteryCables.com. All rights reserved.
Revised: 03/28/14.