Resistant to rust, cracks, and separation. Constructed with two different PVC materials. 600 volt stranded copper THHN/THWN conductors and UL Listed LFNC-B fittings. Twelve-inch wire leads are left exposed at each end. Green insulated copper grounding conductor. Intended for 208/240/480 volt. UL / CSA, complies with NEC Article 356.