Wire sizes, Awg wire sizes – Outback Power Systems FX Series Installation Manual User Manual
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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 fi nd an equivalent wire size.
SIZE
DC
CROSS-SECTIONAL AREA
APPROXIMATE DIAMETER
(AWG)
Resistance in Ohms
(1000 feet)
INCHES
MILLIMETERS
INCHES
MILLIMETERS
14 3.14
.0032
2.08
.078 1.98
12 1.98
.0051
3.31
.101 2.57
10 1.24
.0082
5.26
.126 3.20
8 0.78 .0130 8.37
.162 4.11
6 0.50 .0206 13.30
.215 5.46
4 0.31 .0328 21.15
.269 6.83
2 0.19 .0521 33.62
.337 8.56
1 0.15 .0657 42.41
.376 9.55
1/0 0.12
.0829
53.50
.423 10.74
2/0 0.10
.1045
67.43
.508 12.90
3/0 0.08
.1318
85.01
.576 14.63
4/0 0.06
.1662
107.20
.645 16.38
(with insulation)
Size #14 #12 #10 #8 #6 #4 #3 #2 #1 1/0
Diameter .073 .080 .115 .146 .184 .235 .281 .295 .335 .380
(inches)
Size 2/0 3/0 4/0 250 MCM 300 MCM 350 MCM 400 MCM 500 MCM
Diameter .420 .475 .530 .580 .635 .690 .730 .820
(inches)
AWG Wire Sizes
NOTE: These sizes represent the conductor only without any insulation.