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Maximum Number of Conductors in Flexible Metal Conduit

Type Letters THHN, THWN, THWN-2
Cond. Size AWG/kcmil Trade Sizes in Inches
0.50 0.75 1.00 1.25 1.50 2.00 2.50 3.00 3.50 4.00
14
13
22
33
52
76
134
202
291
396
518
12
9
16
24
38
56
98
147
212
289
378
10
6
10
15
24
35
62
93
134
182
238
8
3
6
9
14
20
35
53
77
105
137
6
2
4
6
10
14
25
38
55
76
99
4
1
2
4
6
9
16
24
34
46
61
3
1
1
3
5
7
13
20
29
39
51
2
1
1
3
4
6
11
17
24
33
43
1
1
1
1
3
4
8
12
18
24
32
1/0
1
1
1
2
4
7
10
15
20
27
2/0
0
1
1
1
3
6
9
12
17
22
3/0
0
1
1
1
2
5
7
10
14
18
4/0
0
1
1
1
1
4
6
8
12
15
250
0
0
1
1
1
3
5
7
9
12
300
0
0
1
1
1
3
4
6
8
11
350
0
0
1
1
1
2
3
5
7
9
400
0
0
0
1
1
1
3
5
6
8
500
0
0
0
1
1
1
2
4
5
7
600
0
0
0
0
1
1
1
3
4
5
700
0
0
0
0
1
1
1
3
4
5
750
0
0
0
0
1
1
1
2
3
4