Southwire 250 ft. 12/3 Solid Romex SIMpull CU NM-B W/G Wire 63947655

Type NM-B (nonmetallic-sheathed cable) may be used for both exposed and concealed work in normally dry locations at temperatures not to exceed 90 degree C (with ampacity limited to that for 60 degree C conductors) as specified in the NEC 1. NM-B cable is primarily used in residential wiring as branch circuits for outlets, switches and other loads. NM-B cable may be run in air voids of masonry block or tile walls where such walls are not subject to excessive moisture or dampness. Voltage rating for NM-B cable is 600-Volt.