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