Flexible metal conduit (FMC) has a spiral
construction that enables it to snake through walls and other
structures. FMC protects electrical wiring in commercial and industrial
buildings. Liquidtight flexible metal conduit (LFMC) is a special type
of FMC that has a plastic coating. When used with sealed fittings, it
Products include all types of FMC and LFMC identified in the
National Electrical Code® (NEC) and complies with Underwriters Laboratories (UL) and CSA Standard UL 360/CSA C22.2 No. 56-17
Flexible Metal Conduit and Liquid-Tight Flexible Metal Conduit.
Members promote the development of application and installation
guidelines for FMC, and successfully proposed to UL a sample selection
for qualification testing of LFMC jacketing materials.