Southwire SIMpull 500-ft 2/0-AWG Stranded Black Copper THHN Wire (By-the-foot) in the TFFN & THHN Wire department at Lowes.com
Southwire 1000 ft. 2/0 Black Stranded CU SIMpull THHN Wire 20506201 - The Home Depot
2/0 THHN/THWN-2 Building Wire – Cut to Length
WNI 2/0 Gauge 5 Feet Black 5 Feet Red 2/0 AWG Ultra Flexible Welding Battery Copper Cable Wire - Made In The USA - Car, Inverter, RV, Solar - Amazon.com
2/0 AWG Copper THHN THWN-2 Building Wire 600V Lengths 25 Feet to 1000 Feet | eBay
CE Standard H01n2-D Superflex Copper PVC 1/0 2/0 3/0 4/0 1 2 3 4 6 AWG Gauge AWG4 Welding Wire Cable Price - China Electric Cable, Electrical Wire | Made-in-China.com