Trace Engineering DR Series Owner’s Manual - Version 3.2 - 9/7/98 - Page 46
Table 10, English to Metric Wire Conversion Table
AGW DIAMETER/
mm
AREA/mm² DC
Resistance /
1000ft
14
1.628 2.082 3.14
12
2.052 3.308 1.98
10
2.588 5.261 1.24
8
3.264 8.367 0.778
6
4.115 13.299 0.491
4
5.189 21.147 0.308
2
6.543 33.624 0.194
1
7.348 42.406 0.154
0
8.525 53.482 0.122
00
9.266 67.433 0.0967
000
10.404 85.014 0.0766
0000
11.684 107.219 0.0608
Table 11, Safety Ground Wire Size Table
The ground wire should be sized per NEC 250-95. The following table is derived from this portion
of the NEC code.
Battery DC Disconnect Size Minimum Size of Copper
Ground Wire
30 Amp or 60 Amp #10 AWG
100 Amp #8 AWG
200 Amp #6 AWG
300+ Amps #2 AWG or greater