Non-metallic (NM) sheathed cable is one of the essential wiring methods found in Chapter 3 of the National Electrical Code (NEC) — see Art. 334. NM cable is used by electricians for wiring ...

PRODUCT SPECS Applications This non-metallic sheathed cable may be used for exposed and concealed work in normally dry locations no warmer than 90° C. NM-B cable is primarily used in residential ...