8/3 NM-B x 85′ Southwire “Romex®” Electrical Cable National Electrical Code (NEC), NFPA 70. 1 x #10 AWG Non-Insulated (Bare) Solid Copper Ground Wire. Conductor Insulation is 90 °c Rated Polyvinyl Chloride (PVC). Copper Conductors are Annealed (Soft) Copper, Solid or Compressed Stranded. byJuly 5, 2026