Table 348.22 Maximum Number of Insulated Conductors in 3/8 inch
Flexible Metal Conduit and Liquidtight Flexible Metal Conduit*

Types RFH-2, SF-2			Types TF, XHHW, AF, TW		Types TFN, THHN, THWN		Types FEP, FEPB, PF, PGF
Size (AWG)	Fittings Inside Conduit	Fittings Outside Conduit	Fittings Inside Conduit	Fittings Outside Conduit	Fittings Inside Conduit	Fittings Outside Conduit	Fittings Inside Conduit	Fittings Outside Conduit
18	2	3	3	5	5	8	5	8
16	1	2	3	4	4	6	4	6
14	1	2	2	3	3	4	3	4
12	-	-	1	2	2	3	2	3
10	-	-	1	1	1	1	1	2

* In addition, one covered or bare equipment grounding conductor of the same size shall be permitted.