Battery Cable and Welding Cable Insulation: Neoprene over TPE Insulated Voltage Rating: 600V Spool Size: 100' Spool # of Conductors: 1 Conductor Cable Type: TPE Welding Cable Gauge: 1/0 Gauge Color: Black :100 foot spool of 1/0 gauge black TPE welding cable;Very thin class K cable stranding;Dual jacket - water resistant thermoplastic elastomer inner jacket, neoprene outer jacket;Combination of class K stranding and jacket makes welding cable very flexible, especially in extreme cold;Extreme temperature range rating 221F (105C) to -55F (-48C);Orange jacket color is standard for electric vehicles;Rated up to 600 volts;