Color: Black or Red Conductor size: 3/0 AWG Conductor material: Copper Insulation material: High grade EPDM Max Voltage: 600 VAC Temperature range: -50°C ~ 105°C Approvals: Meets ASTM B-172 standards. Oil and Flame resistant. Applications: Secondary voltage resistance welding leads and power supply applications not exceeding 600 VAC. Warranty: 12 Months