ROMEX, 8 AWG Wire Size, 3 with Bare CU Ground Conductors, Underground Feeder Cable - 29HZ22|147835 - Grainger
Solar PV Cable #8 AWG UL Approved (by the foot)
Electrical Wire 8 Awg 8.367mm2 Wire Cables 6 Meter [3m Black And 3m Ft Red] Soft And Flexible Of Tinned Copper High Temperature - Electrical Wires - AliExpress