Romex 63950021 25 ft. 6/3 Black Stranded CU SIMpull NM-B Wire Coated in patented simpull cable jacket for easier pulling, stripping, and installation NM has a heat capacity of 90C and a usage rating of up to 600-Volt UL listed Type nm-b 6 gauge, 3 conductors with ground, 25' per coil Made in America