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Liquidtight Conduit Fill
Table C7 (Liquidtight Flexible Metal Conduit) Based on Table 1 Chapter 9 of the 2005 National Electric Code.
| Trade Size in Inches | Wire Size (THWN, THHN) Conductor Size AWG/kcmil | ||||||||||||||||||||
| 14 | 12 | 10 | 8 | 6 | 4 | 3 | 2 | 1 | 1/0 | 2/0 | 3/0 | 4/0 | 250 | 300 | 350 | 400 | 500 | 600 | 700 | 750 | |
| 1/2 | 13 | 9 | 6 | 3 | 2 | 1 | 1 | 1 | 1 | 1 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 3/4 | 22 | 16 | 10 | 6 | 4 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | 36 | 26 | 16 | 9 | 7 | 4 | 3 | 3 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | --- | --- | --- | --- | --- |
| 1-1/4 | 63 | 46 | 29 | 16 | 12 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | --- |
| 1-1/2 | 81 | 59 | 37 | 21 | 15 | 9 | 8 | 7 | 5 | 4 | 3 | 3 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 2 | 133 | 97 | 61 | 35 | 25 | 15 | 13 | 11 | 8 | 7 | 6 | 5 | 4 | 3 | 3 | 2 | 1 | 1 | 1 | 1 | 1 |
| 2-1/2 | 201 | 146 | 92 | 53 | 38 | 23 | 20 | 17 | 12 | 10 | 8 | 7 | 6 | 5 | 4 | 3 | 3 | 2 | 1 | 1 | 1 |
| 3 | 308 | 225 | 141 | 81 | 59 | 36 | 30 | 26 | 19 | 16 | 13 | 11 | 9 | 7 | 6 | 5 | 5 | 4 | 3 | 3 | 3 |
| 3-1/2 | 401 | 292 | 184 | 106 | 76 | 47 | 40 | 33 | 25 | 21 | 17 | 14 | 12 | 10 | 8 | 7 | 6 | 5 | 4 | 4 | 3 |
| 4 | 523 | 381 | 240 | 138 | 100 | 61 | 52 | 44 | 32 | 27 | 23 | 19 | 15 | 12 | 11 | 9 | 8 | 7 | 6 | 5 | 5 |
Liquidtight Conduit Fill
Table C7 (Liquidtight Flexible Metal Conduit) Based on Table 1 Chapter 9 of the 2005 National Electric Code.
| Trade Size in Inches | Wire Size (THWN, THHN) Conductor Size AWG/kcmil | ||||||||||||||||||||
| 14 | 12 | 10 | 8 | 6 | 4 | 3 | 2 | 1 | 1/0 | 2/0 | 3/0 | 4/0 | 250 | 300 | 350 | 400 | 500 | 600 | 700 | 750 | |
| 1/2 | 13 | 9 | 6 | 3 | 2 | 1 | 1 | 1 | 1 | 1 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 3/4 | 22 | 16 | 10 | 6 | 4 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | 36 | 26 | 16 | 9 | 7 | 4 | 3 | 3 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | --- | --- | --- | --- | --- |
| 1-1/4 | 63 | 46 | 29 | 16 | 12 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | --- |
| 1-1/2 | 81 | 59 | 37 | 21 | 15 | 9 | 8 | 7 | 5 | 4 | 3 | 3 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 2 | 133 | 97 | 61 | 35 | 25 | 15 | 13 | 11 | 8 | 7 | 6 | 5 | 4 | 3 | 3 | 2 | 1 | 1 | 1 | 1 | 1 |
| 2-1/2 | 201 | 146 | 92 | 53 | 38 | 23 | 20 | 17 | 12 | 10 | 8 | 7 | 6 | 5 | 4 | 3 | 3 | 2 | 1 | 1 | 1 |
| 3 | 308 | 225 | 141 | 81 | 59 | 36 | 30 | 26 | 19 | 16 | 13 | 11 | 9 | 7 | 6 | 5 | 5 | 4 | 3 | 3 | 3 |
| 3-1/2 | 401 | 292 | 184 | 106 | 76 | 47 | 40 | 33 | 25 | 21 | 17 | 14 | 12 | 10 | 8 | 7 | 6 | 5 | 4 | 4 | 3 |
| 4 | 523 | 381 | 240 | 138 | 100 | 61 | 52 | 44 | 32 | 27 | 23 | 19 | 15 | 12 | 11 | 9 | 8 | 7 | 6 | 5 | 5 |