Romex SIMpull 63947655 250ft. NM-B Non-Metallic Sheathed Cable with Ground Wire 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 C (with ampacity limited to that for 60 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.Copper conductors are annealed (soft) copper and UL ListedCable is available in a variety of colors, lengths and gaugesRun in air voids of masonry block and tile wallsUnique (SlikQuik infused membrane) Jacket construction allows for 50% reduction in pulling force resulting in easier installationConductors are annealed soft copperNM-B has two, three and four conductors and available with two neutrals, construction designed for easier pulling Features 12/3 with Ground Romex Copper Electrical Wire Type nm-b cable can be used in your homes exposed and concealed wiring projects Romex nm-b non-metallic sheathed cable with ground, 12/3, 250 ft per roll Voltage rating for NM-B cable is 600-Volt. The country of origin is United states USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.