| |
|
Conduit
Trade
Size
|
1/2
|
3/4
|
1
|
1 1/4
|
1 1/2
|
2
|
2 1/2
|
3
|
3 1/2
|
4
|
| I.D. Inches
|
0.622
|
0.824
|
1.049
|
1.380
|
1.610
|
2.067
|
2.731
|
3.356
|
3.834
|
4.334
|
|
Internal
Area,
In2
|
0.304
|
0.533
|
0.864
|
1.496
|
2.036
|
3.356
|
5.858
|
8.846
|
11.545
|
14.753 |
|
1 Conductor
(53% fill)
|
0.161
|
0.283
|
0.458
|
0.793
|
1.079
|
1.778
|
3.105
|
4.688
|
6.119
|
7.819
|
|
2 Conductors
(31% fill)
|
0.094
|
0.165
|
0.268
|
0.464
|
0.631
|
1.040
|
1.816
|
2.742
|
3.579
|
4.573
|
|
Conductors
(40% fill)
|
0.122
|
0.213
|
0.346
|
0.598
|
0.814
|
1.342
|
2.343
|
3.538
|
4.618
|
5.901
|
Cable OD
Inches
|
Cable
Area
In2
|
Numbers listed below are based on the 2008 NEC (40% fill ) for 3 or more
non-leadcovered cables.
|
|
0.100 |
0.008 |
15 |
26 |
43 |
76 |
104 |
170 |
244 |
375 |
504 |
648 |
|
0.125 |
0.012 |
9 |
17 |
27 |
48 |
66 |
109 |
156 |
240 |
322 |
414 |
|
0.150 |
0.018 |
6 |
11 |
19 |
33 |
46 |
75 |
108 |
166 |
224 |
288 |
|
0.175 |
0.024 |
5 |
8 |
14 |
24 |
34 |
55 |
79 |
122 |
164 |
211 |
|
0.200 |
0.031 |
3 |
6 |
10 |
19 |
26 |
42 |
81 |
93 |
126 |
162 |
|
0.225 |
0.040 |
3 |
5 |
8 |
16 |
20 |
33 |
48 |
74 |
99 |
128 |
|
0.250 |
0.049 |
1 |
4 |
6 |
12 |
16 |
27 |
39 |
60 |
80 |
103 |
|
0.275 |
0.059 |
1 |
3 |
5 |
10 |
13 |
22 |
32 |
49 |
66 |
85 |
|
0.300 |
0.071 |
1 |
2 |
4 |
8 |
11 |
18 |
27 |
41 |
56 |
72 |
|
0.325 |
0.083 |
1 |
1 |
4 |
7 |
9 |
16 |
23 |
35 |
47 |
61 |
|
0.350 |
0.096 |
1 |
1 |
3 |
6 |
8 |
13 |
19 |
30 |
41 |
52 |
|
0.375 |
0.110 |
1 |
1 |
3 |
5 |
7 |
12 |
17 |
26 |
35 |
46 |
|
0.400 |
0.126 |
1 |
1 |
2 |
4 |
6 |
10 |
16 |
23 |
31 |
40 |
|
0.425 |
0.142 |
1 |
1 |
1 |
4 |
5 |
9 |
13 |
20 |
27 |
35 |
|
0.450 |
0.159 |
1 |
1 |
1 |
3 |
5 |
8 |
12 |
18 |
24 |
32 |
|
0.475 |
0.177 |
0 |
1 |
1 |
3 |
4 |
7 |
10 |
17 |
22 |
28 |
|
0.500 |
0.196 |
0 |
1 |
1 |
3 |
4 |
6 |
9 |
15 |
20 |
25 |
|
0.525 |
0.216 |
0 |
1 |
1 |
2 |
3 |
6 |
8 |
13 |
18 |
23 |
|
0.550 |
0.238 |
0 |
1 |
1 |
1 |
3 |
5 |
8 |
12 |
16 |
21 |
|
0.575 |
0.260 |
0 |
1 |
1 |
1 |
3 |
5 |
7 |
11 |
15 |
19 |
|
0.600 |
0.283 |
0 |
0 |
1 |
1 |
2 |
4 |
6 |
10 |
14 |
18 |
|
0.625 |
0.307 |
0 |
0 |
1 |
1 |
2 |
4 |
6 |
9 |
12 |
16 |
|
0.650 |
0.332 |
0 |
0 |
1 |
1 |
1 |
4 |
5 |
8 |
11 |
15 |
|
0.675 |
0.358 |
0 |
0 |
1 |
1 |
1 |
3 |
5 |
8 |
11 |
14 |
|
0.700 |
0.385 |
0 |
0 |
1 |
1 |
1 |
3 |
5 |
7 |
10 |
13 |
|
0.725 |
0.413 |
0 |
0 |
1 |
1 |
1 |
3 |
4 |
7 |
9 |
12 |
|
0.750 |
0.442 |
0 |
0 |
1 |
1 |
1 |
3 |
4 |
6 |
8 |
11 |
|
0.775 |
0.472 |
0 |
0 |
0 |
1 |
1 |
2 |
4 |
6 |
8 |
10 |
|
0.800 |
0.503 |
0 |
0 |
0 |
1 |
1 |
2 |
3 |
5 |
7 |
10 |
|
0.825 |
0.535 |
0 |
0 |
0 |
1 |
1 |
1 |
3 |
5 |
7 |
9 |
|
0.850 |
0.567 |
0 |
0 |
0 |
1 |
1 |
1 |
3 |
5 |
6 |
8 |
|
0.875 |
0.601 |
0 |
0 |
0 |
1 |
1 |
1 |
3 |
4 |
6 |
8 |
|
0.900 |
0.636 |
0 |
0 |
0 |
1 |
1 |
1 |
3 |
4 |
6 |
8 |
|
0.925 |
0.672 |
0 |
0 |
0 |
1 |
1 |
1 |
2 |
4 |
5 |
7 |
|
0.950 |
0.709 |
0 |
0 |
0 |
1 |
1 |
1 |
2 |
4 |
5 |
7 |
|
0.975 |
0.747 |
0 |
0 |
0 |
1 |
1 |
1 |
1 |
3 |
5 |
6 |
|
1.000 |
0.785 |
0 |
0 |
0 |
1 |
1 |
1 |
1 |
3 |
5 |
6 |
|
1.025 |
0.825 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
3 |
4 |
6 |
|
1.050 |
0.866 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
3 |
4 |
5 |
|
1.075 |
0.908 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
3 |
4 |
5 |
|
|
