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Southwire's Romex SIMpull NM-B is 14/2 nonmetallic-sheathed cable with a bare ground, sold in a 100-foot coil. It is the standard branch-circuit wire for outlets, switches and lighting in dry, indoor residential work, rated 600 volts and listed for 90°C insulation with ampacity taken at the 60°C column. The SIMpull jacket is formulated to pull through studs and conduit with less friction and no pulling lubricant, which is the main edge over ordinary NM-B. Electricians use it constantly and rate it highly; the trade-offs are the usual ones for NM cable: dry locations only, no direct burial, and 14-gauge limits it to 15-amp circuits.
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Electricians and DIYers rate this cable highly, mainly for how easily the SIMpull jacket feeds through framing and boxes. Complaints are few and mostly about stiffness and the usual NM-B limits.
Southwire Romex brand SIMpull NM-B is a nonmetallic-sheathed electrical cable for general wiring of homes, stores and shops. This 14/2 version with ground comes in a 100-foot length. It is white.
NM-B cable is mainly used in residential wiring as branch circuits for outlets, switches and other loads. It can be used for both exposed and concealed work in normally dry locations. It may also be run in air voids of masonry block or tile walls, as long as the walls are not wet or damp locations.
The cable is rated for temperatures up to 90°C, with ampacity limited to that for 60°C conductors, as specified in the 2011 National Electrical Code. Its voltage rating is 600 volts.
