Southwire 14-3 CU Non-Metallic Building With Ground Blue JKTConstruction Conductor: Bare copper per ASTM B3. Sizes #14 AWG #10 AWG are solid. Sizes #8 AWG #2 AWG are Class B compressed stranded per ASTM B8 Insulation: All phases and neutral(s) are insulated with Polyvinyl Chloride (PVC) with Nylon Sheath 2 C: Black, White 3 C: Black, Red, White 4 C: Black, Red, Blue, White Ground: Solid soft drawn bare copper with kraft paper wrap Binder: Kraft paper Jacket: Polyvinyl Chloride (PVC) jacket utilizing SIMpull