Southwire SIMpull 3-AWG Stranded Black Copper THHN Wire (By-the-foot) in the TFFN & THHN Wire department at Lowes.com
3/0 WELDING & BATTERY CABLE SAE J1127 RED
3/0 THHN Stranded Black Wire Full Reel 500ft/Roll - A. Louis Supply
3 AWG, Type MTW Wire, 525 Strand | WireAndCableYourWay.com
Battery Cable - Gauges from 6 through 4/0 - WiringProducts, Ltd. – Wiring Products
3/0 Gauge Red SGT Battery Cable
10 Feet (3 Meter) - Insulated Stranded Copper THHN / THWN Wire - 10 AWG, Wire is Made in the USA, Residential, Commercial, Industrial, Grounding, Electrical rated for 600 Volts - In Black – THE CIMPLE CO