Building Wire, Solid, Wire Gauge 14 AWG, Wire Type THHN, Stranding 1, Voltage 600, Max. Amps 15, Temp. Rating 194 F, Color Green, Nominal Outside Dia. 0.102 In., Jacket Nylon, Insulation PVC, Spool Length 50 Ft., Standards UL. Type THHN/TFFN Building WireDurable wire has a tough nylon jacket to seal out heat, moisture, oil, and gasoline. Operating temps.: Dry THHN and wet THWN-2, 194°F (90°C). MTW, 140°F (60°C) wet or exposed to oil or coolant, 194°F (90°C) dry. AWM, 221°F (105°C).