UL1277 Tray control cableConductor: copperinsulation: pvc-free leadinnersheath:Nylon (optional)sheild: Aluminum tap(optional)sheath:pvcvoltage :600vASTM - (All applicable standards)UL 1277 - Electrical Power and Control Tray CablesUL 1581 - Electrical Wires, Cables and Flexible CordsICEA S-58-6......