203107-050 QuickCable 2/0 Gauge Black UL Welding Cable (50 ft. Roll) - Welding Cable is made with fine stranded 100% copper wire and insulated with synthetic rubber. The result is cable that flexes easily, especially in the cold, and is easier to route in tight places. Available in gauges from 6 to 250MCM. Also available tinned for corrosive environments.