NM-B

Republic Wire’s 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 60°C conductors as specified in the 2011 NEC.

NM-B is primarily used in residential wiring as branch circuits for switches, outlets and other loads. NM-B may run in air voids of masonry block or tile walls where locations are not wet or damp. NM-B voltage rating is 600 volts.