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 becomes watertight.
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.
NEMA 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.
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