Cross-linked polyethylene (XLPE) insulation. Insulated conductors laid parallel with bare ground wires helically wound around core. Covered with a reinforced binder tape. Sunlight resistant gray PVC jacket. Above ground service entrance and branch circuit. Maximum operating temperature of phase conductors not to exceed 90 degrees Celsius in wet or dry locations, 600 volt. UL Listed. Amp capacities listed are at 30 degrees Celsius/85 degrees Fahrenheit.