Also Known As: 

12/2 Copper Underground Feeder Cable, 12/2 Copper Direct Burial Feeder Cable, 12/2 Branch Circuit Wiring Cable, 12/2 UF-B Wire, 12/2 Copper Direct Earth Burial Cable, 12/2 Copper Branch Circuit Cable, 12/2 UF-B Direct Burial Wire, 12/2 UF Wire, 12/2 direct burial wire, 12/2 underground wire, 12/2 outdoor wire, 12/2 underground electrical wire, 12/2 uf b wire w ground

Conductor:

UF-B wire has solid or stranded Type THHN/THWN that are laid parallel with an uninsulated grounding conductor. The conductors are made of solid annealed bare copper.

Insulation:

The cable is insulated with a PVC jacket with a nylon covering. It is resistant to moisture, grease, corrosion, sunlight, and chemicals.