Southwire Romex® Brand SIMpull® Type NM B Cable 14 3 Size:50' Our premium interior exterior acrylic primer Cuts straight and slight Our premium interior exterior acrylic primer is formulated to meet the performance requirements of the residential and commercial segments Heavy duty keyed chuck with holder Southwire® Romex ® Brand SIMpull® 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 National Electrical Code NM B cable is primarily used in residential wiring as branch circuits for outlets