Comparative Wire Sizes - Outback GTFX2012E Installation Manual

COMPARATIVE WIRE SIZES

The following chart contains information on wire sizes, the DC resistance of the wires and the
corresponding diameters and areas of these wires. This information can be used to calculate the
voltage drop of the wires or to find an equivalent wire size.
SIZE DC
(AWG)
Resistance in Ohms
(1000 feet)
14
12
10
8
6
4
2
1
1/0
2/0
3/0
4/0
AWG Wire Sizes
Note: These sizes represent the conductor only without any insulation.
Note: These illustrations may not be to scale and are for example purposes only.
Size #14
Diameter 0.073 0.080 0.115 0.146 0.184
(inches)
Size 2/0
Diameter 0.420
(inches)
46
CROSS-SECTIONAL AREA
INCHES
3.14 0.0032
1.98 0.0051
1.24 0.0082
0.78 0.0130
0.50 0.0206
0.31 0.0328
0.19 0.0521
0.15 0.0657
0.12 0.0829
0.10 0.1045
0.08 0.1318
0.06 0.1662
#12 #10 #8 #6
3/0 4/0 250 MCM 300 MCM
0.475 0.530 0.580
MILLIMETERS
2.08
3.31
5.26
8.37
13.30
21.15
33.62
42.41
53.50
67.43
85.01
107.20
#4 #3 #2 #1
0.235 0.281 0.295
350 MCM
0.635 0.690
APPROXIMATE DIAMETER
(with insulation)
INCHES MILLIMETERS
.078 1.98
.101 2.57
.126 3.20
.162 4.11
.215 5.46
.269 6.83
.337 8.56
.376 9.55
.423 10.74
.508 12.90
.576 14.63
.645 16.38
1/0
0.335 0.380
400 MCM 500 MCM
0.730 0.820