What kind of cable is this? It is 10 AWG for a dryer outlet running 220v. It doesn't have a ground wire. See comment for more info. : r/AskElectricians
10 AWG 19 Stranded Green 500 ft. Southwire Copper Building Wire (THHN-10-GRN-19STR-500) at Main Electric Supply
American Standard PVC Insulated Flexible Copper Conductor 10 AWG 10mm Wire - China Flexible PVC Wire and PVC Copper Wire
EcoCable #10 AWG Soft Drawn Bare Copper Grounding Wire >315' Roll
25 Foot, Green - 10 AWG Solid Copper Wire - 10 Gauge Green Ground Wire - 10 AWG THHN
electrical - Is it safe to substitute a 10-gauge wire for ground strap on dryer? - Home Improvement Stack Exchange