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, switches, and other loads. NM-B cable 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.

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Romex® Brand SIMpull® Type NM-B Cable

CU-NM-B
  • Listed per UL Standard 719
  • UL 83 (Conductor Construction)
  • ASTM B-3 and B-8
  • Federal Specification A-A-59544
  • National Electrical Code, NFPA 70
  • REACH/RoHS Compliant

Applications

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, switches, and other loads. NM-B cable 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.