WIRE SIZE CHART
If you are adding anything from radios to onboard air compressors to your
Land Rover, use this chart to determine the minimum wire size for the
application.
|
WIRE GAUGE SELECTION TABLE
|
|
Amps |
Watts |
Wire gauge (for length in feet)
|
|
12V |
12V |
3' |
5' |
7' |
10' |
15' |
20' |
25' |
|
0 to 5 |
30 |
18 |
18 |
18 |
18 |
18 |
18 |
18 |
|
6 |
36 |
18 |
18 |
18 |
18 |
18 |
18 |
16 |
|
7 |
42 |
18 |
18 |
18 |
18 |
18 |
18 |
16 |
|
8 |
48 |
18 |
18 |
18 |
18 |
18 |
16 |
16 |
|
10 |
60 |
18 |
18 |
18 |
18 |
16 |
16 |
16 |
|
11 |
66 |
18 |
18 |
18 |
18 |
16 |
16 |
14 |
|
12 |
72 |
18 |
18 |
18 |
18 |
16 |
16 |
14 |
|
15 |
90 |
18 |
18 |
18 |
18 |
14 |
14 |
12 |
|
18 |
108 |
18 |
18 |
16 |
16 |
14 |
14 |
12 |
|
20 |
120 |
18 |
18 |
16 |
16 |
14 |
12 |
10 |
|
22 |
132 |
18 |
18 |
16 |
16 |
12 |
12 |
10 |
|
24 |
144 |
18 |
18 |
16 |
16 |
12 |
12 |
10 |
|
30 |
180 |
18 |
16 |
16 |
14 |
10 |
10 |
10 |
|
40 |
240 |
18 |
16 |
14 |
12 |
10 |
10 |
8 |
|
50 |
300 |
16 |
14 |
12 |
12 |
10 |
10 |
8 |
|
100 |
600 |
12 |
12 |
10 |
10 |
6 |
6 |
4 |
|
150 |
900 |
10 |
10 |
8 |
8 |
4 |
4 |
2 |
|
200 |
1200 |
10 |
8 |
8 |
6 |
4 |
4 |
2 |
Find the amperes or watts the circuit is expected to
carry on the left and the distance the wiring must run at the top - follow the
columns until they intersect - for example, a 12 volt circuit which is 15 feet
long and carries 10 amperes should use at least 16 gauge wire.
| 