MAXIMUM DISTANCE FOR WIRE SIZE CHART
Maximum one-way distance for less than 2% voltage drop for 12 V circuits.
Distance X 10 for 120 V circuits.
|
| Amps |
Watts
@12v |
#14 |
#12 |
#10 |
#8 |
#6 |
#4 |
#2 |
1/0 |
2/0 |
3/0 |
|
| 1 |
12 |
45.0 |
70.0 |
115 |
180 |
290 |
456 |
720 |
- |
- |
- |
| 2 |
24 |
22.5 |
35.0 |
57.5 |
90.0 |
145 |
228 |
260 |
580 |
720 |
912 |
| 4 |
48 |
10.0 |
17.5 |
27.5 |
45.0 |
72.5 |
114 |
180 |
290 |
360 |
456 |
| 6 |
72 |
07.5 |
12.0 |
17.5 |
30.0 |
47.5 |
75.0 |
120 |
193 |
243 |
305 |
| 8 |
96 |
05.5 |
08.5 |
14.5 |
22.5 |
35.5 |
57.0 |
90.0 |
145 |
180 |
228 |
| 10 |
120 |
04.5 |
07.0 |
11.5 |
18.0 |
28.5 |
45.5 |
72.5 |
115 |
145 |
183 |
| 15 |
180 |
03.0 |
04.5 |
07.0 |
12.0 |
19.0 |
30.0 |
48.0 |
76.5 |
96.0 |
122 |
| 20 |
240 |
02.0 |
03.5 |
05.5 |
09.0 |
14.5 |
22.5 |
36.0 |
57.5 |
72.5 |
91 |
| 25 |
300 |
01.8 |
02.8 |
04.5 |
07.0 |
11.5 |
18.0 |
29.0 |
46.0 |
58.0 |
73 |
| 30 |
360 |
01.5 |
02.4 |
03.5 |
06.0 |
09.5 |
15.0 |
24.0 |
38.5 |
48.5 |
61 |
| 40 |
480 |
- |
- |
02.8 |
04.5 |
07.0 |
11.5 |
18.0 |
29.0 |
36.0 |
45 |
| 50 |
600 |
- |
- |
02.3 |
03.6 |
05.5 |
09.0 |
14.5 |
23.0 |
29.0 |
36 |
| 100 |
|
- |
- |
- |
- |
02.9 |
04.6 |
07.2 |
11.5 |
14.5 |
18 |
| 150 |
|
- |
- |
- |
- |
- |
- |
04.8 |
07.7 |
09.7 |
12 |
| 200 |
|
- |
- |
- |
- |
- |
- |
03.6 |
05.8 |
07.3 |
09 |
|