August 2017
Intermediate to advanced
546 pages
9h 22m
English
Conductor Size (AWG or kcmil) |
Diameter over Insulation (in.) |
Diameter over Screen (in.) |
Outside Diameter (in.) |
Copper Neutral (No. × AWG) |
Ampacity in UG Duct (A) |
|---|---|---|---|---|---|
| Full Neutral | |||||
2(7×) |
0.78 |
0.85 |
0.98 |
10 × 14 |
120 |
1(19×) |
0.81 |
0.89 |
1.02 |
13 × 14 |
135 |
1/0(19×) |
0.85 |
0.93 |
1.06 |
16 × 14 |
155 |
2/0(19×) |
0.90 |
0.97 |
1.13 |
13 × 12 |
175 |
3/0(19×) |
0.95 |
1.02 |
1.18 |
16 × 12 |
200 |
4/0(19×) |
1.01 |
1.08 |
1.28 |
13 × 10 |
230 |
250(37×) |
1.06 |
1.16 |
1.37 |
16 × 10 |
255 |
350(37×) |
1.17 |
1.27 |
1.47 |
20 × 10 |
300 |
| 1/3 Neutral | |||||
2(7×) |
0.78 |
0.85 |
0.98 |
6 × 14 |
135 |
1(19×) |
0.81 |
0.89 |
1.02 |
6 × 14 |
155 |
1/0(19×) |
0.85 |
0.93 |
1.06 |
6 × 14 |
175 |
2/0(19×) |
0.90 |
0.97 |
1.10 |
7 × 14 |
200 |
3/0(19×) |
0.95 |
1.02 |
1.15 |
9 × 14 |
230 |
4/0(19×) ... | |||||