Milspec 10' Pro Power SJTW Extension Cord, 12/3 AWG, Black Black cords with light-absorbing matte finish for use with dark backdrops, indoors or out. Ideal for theaters, television studios, nightclubs, motion picture and sound systems, parking lots, etc. AWG Size: 12/3 with 65 strands of 30AWG 100% copper in all three conductors. SJTW jacket resists oil, grease and ozone, features an F2 rating for flame resistance and will outlast rubber cords 3 to 1. Meets all NEMA requirements. UL and cUL Approved.