Attributes . LIQUID-TUFF Type LFNC-A is a layered Liquidtight Flexible Nonmetallic Conduit, designed for use in wet, dry or oily locations as a flame resistant, Nonmetallic raceway for power, control and communications cables where repetitive motion and constant flexing is required. It is intended for applications where abrasion and physical abuse may occur. LIQUID-TUFF Type LFNC-A carries the UL Listing Marks for US and Canada . Names