Wondering what size of wire you need to connect to your wind turbine/solar panel or use for wiring up your controls? The chart below can be used as a good reference to help you decided. This information is only for reference and other factors should be taken into consideration such as, voltage drop, thermal conductivity, insulation temperature, etc.
Please ensure to review any government regulation that may affects the way you wire of your system.
|
AWG gauge |
Conductor |
Conductor |
Ohms per 1000 ft. |
Ohms per km |
Short Line Wiring (less than 3ft): Maximum current (amps) |
Transmission Lines: Maximum current (amps) |
|
0 |
0.3249 |
8.25246 |
0.0983 |
0.322424 |
245 |
150 |
|
1 |
0.2893 |
7.34822 |
0.1239 |
0.406392 |
211 |
119 |
|
2 |
0.2576 |
6.54304 |
0.1563 |
0.512664 |
181 |
94 |
|
3 |
0.2294 |
5.82676 |
0.197 |
0.64616 |
158 |
75 |
|
4 |
0.2043 |
5.18922 |
0.2485 |
0.81508 |
135 |
60 |
|
5 |
0.1819 |
4.62026 |
0.3133 |
1.027624 |
118 |
47 |
|
6 |
0.162 |
4.1148 |
0.3951 |
1.295928 |
101 |
37 |
|
7 |
0.1443 |
3.66522 |
0.4982 |
1.634096 |
89 |
30 |
|
8 |
0.1285 |
3.2639 |
0.6282 |
2.060496 |
73 |
24 |
|
9 |
0.1144 |
2.90576 |
0.7921 |
2.598088 |
64 |
19 |
|
10 |
0.1019 |
2.58826 |
0.9989 |
3.276392 |
55 |
15 |
|
11 |
0.0907 |
2.30378 |
1.26 |
4.1328 |
47 |
12 |
|
12 |
0.0808 |
2.05232 |
1.588 |
5.20864 |
41 |
9.3 |
|
13 |
0.072 |
1.8288 |
2.003 |
6.56984 |
35 |
7.4 |
|
14 |
0.0641 |
1.62814 |
2.525 |
8.282 |
32 |
5.9 |
|
15 |
0.0571 |
1.45034 |
3.184 |
10.44352 |
28 |
4.7 |
|
16 |
0.0508 |
1.29032 |
4.016 |
13.17248 |
22 |
3.7 |
|
17 |
0.0453 |
1.15062 |
5.064 |
16.60992 |
19 |
2.9 |
|
18 |
0.0403 |
1.02362 |
6.385 |
20.9428 |
16 |
2.3 |
|
19 |
0.0359 |
0.91186 |
8.051 |
26.40728 |
14 |
1.8 |
|
20 |
0.032 |
0.8128 |
10.15 |
33.292 |
11 |
1.5 |
|
21 |
0.0285 |
0.7239 |
12.8 |
41.984 |
9 |
1.2 |
|
22 |
0.0254 |
0.64516 |
16.14 |
52.9392 |
7 |
0.92 |
|
23 |
0.0226 |
0.57404 |
20.36 |
66.7808 |
4.7 |
0.729 |
|
24 |
0.0201 |
0.51054 |
25.67 |
84.1976 |
3.5 |
0.577 |
|
25 |
0.0179 |
0.45466 |
32.37 |
106.1736 |
2.7 |
0.457 |
|
26 |
0.0159 |
0.40386 |
40.81 |
133.8568 |
2.2 |
0.361 |
|
27 |
0.0142 |
0.36068 |
51.47 |
168.8216 |
1.7 |
0.288 |
|
28 |
0.0126 |
0.32004 |
64.9 |
212.872 |
1.4 |
0.226 |
|
29 |
0.0113 |
0.28702 |
81.83 |
268.4024 |
1.2 |
0.182 |
|
30 |
0.01 |
0.254 |
103.2 |
338.496 |
0.86 |
0.142 |
|
31 |
0.0089 |
0.22606 |
130.1 |
426.728 |
0.7 |
0.113 |
|
32 |
0.008 |
0.2032 |
164.1 |
538.248 |
0.53 |
0.091 |
