Industry Tools
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Industry Tools > Electrical Charts > Allowable Ampacities Insulated Conductors
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| HP |
90V |
120V |
180V |
240V |
500V |
550V |
| 1/4 |
4.0 |
3.1 |
2.0 |
1.6 |
|
|
| 1/3 |
5.2 |
4.1 |
2.6 |
2.0 |
|
|
| 1/2 |
6.8 |
5.4 |
3.4 |
2.7 |
|
|
| 3/4 |
9.6 |
7.6 |
4.8 |
3.8 |
|
|
| 1 |
12.2 |
9.5 |
6.1 |
4.7 |
|
|
| 1/2 |
|
13.2 |
8.3 |
6.6 |
|
|
| 2 |
|
17 |
10.8 |
8.5 |
|
|
| 3 |
|
25 |
16 |
12.2 |
|
|
| 5 |
|
40 |
27 |
20 |
|
|
| 7/2 |
|
58 |
|
29 |
13.6 |
12.2 |
| 10 |
|
76 |
|
38 |
18 |
16 |
| 15 |
|
|
|
55 |
27 |
24 |
| 20 |
|
|
|
72 |
34 |
31 |
| 25 |
|
|
|
89 |
43 |
38 |
| 30 |
|
|
|
106 |
51 |
46 |
| 40 |
|
|
|
140 |
67 |
61 |
| 50 |
|
|
|
173 |
83 |
75 |
| 60 |
|
|
|
206 |
99 |
90 |
| 75 |
|
|
|
255 |
123 |
111 |
| 100 |
|
|
|
341 |
164 |
148 |
| 125 |
|
|
|
425 |
205 |
185 |
| 150 |
|
|
|
506 |
246 |
222 |
| 200 |
|
|
|
675 |
330 |
294 |
|
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