... 75C 2.Operating Voltage 600V 3.Spec: 14AWG-750MCM 4.Standard:UL83 THW wire CU/PVC annealed uncoated copper conductor, ... 6AWG: black, white, red, green, yellow, blue4AWG and larger: black Standard: ASTM B3, NTC 359. :Soft copper wire.ASTM B8, NTC ... Unilay Stranded Copper conductors for subsequent insulationUL 1581, NTC-3203.: Reference Standard for Electrical Wires, Cables and Flexible Cords.UL 83, NTC ...