Continuous Corrugated Aluminum Sheathed PL, MC & MV Industrial Cables. CORFLEX® cables may be found in a variety of industrial, commercial and utility applications. Chemical, oil and gas, and forestry industries plus commercial or high-rise buildings are areas in which CORFLEX® has gained acceptance. CORFLEX® installation may be in wet or dry locations, in trays, troughs, wireways, directly buried or embedded in concrete.