The MC XHHW-2 is a flexible interlocked aluminum armoured cable approved for use in open and concealed wiring in wet & dry locations at 90. All MC XHHW-2 is UL approved and manufactured, in sizes 8 AWG up 750 kcmil, with two, three, four or greater aluminum conductors insulated with Cross-link polyethylene high heat resistant water resistant with an insulated or bare ground.