Nonmetallic-sheathed cable may be used for both exposed and concealed work in normally dry locations at temperatures not to exceed 90C with ampacity limited to that for 60C conductors Primarily used in residential wiring as branch circuits for outlets, switches, and other loads May be run in air voids of masonry block or tile walls where such walls are not wet or damp locations Voltage rating for NM-B cable is 600 volts Meets or exceeds UL Standard 83, UL Standard 719, Federal Specification A-A-59544, and requirements of the National Electrical Code Made in the USA Yellow jacket 3 conductor design 12 AWG 19 mils insulation and jacket thickness