50-Foot 12/3 White Outdoor Multi Outlet Extension Cord 5 Water Resistant Covered Outlets Manufactured to 12/3 AWG (American Wire Gauge) specifications. Type "STW" thermo vinyl cold weather jacket guarantees the cord not to crack and remain flexible in temperatures below freezing. Each of the 3 conductors contain 65 strands of soft drawn annealed 30 gauge 100% copper wire. Type "STW" thermo vinyl cold weather jacket guarantees the cord will remain flexible and not crack in temperatures well below freezing.