NM-B Romex Cable 4 AWG 3C Black (1000ft Reel)

Mfg Part No.
In stock

Indoor Wire Copper ROMEX NM-B Cable:

  • Nonmetallic-Sheathed Cable
  • 600 Volt
  • Copper Conductors
  • Color-Coded Jacket: Black
  • 14 Gauge/ 2 Conductor

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Min Qty: 1      Max Qty: 10000
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Package Qty 1
Mfg Part No. NM4/3WRGBK1000
Brands Gallant & Wein
Cable Type NM-B
Standard UL Listed and RoHS Compliant
Num of Conductors 3
Amperage Rating 70 amps
Voltage Rating 600 V
Temperature Rating 90C
Color Black


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 2011 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 BKt or damp locations. Voltage rating for NM-B cable is 600 volts.


NM-B cable complies with the following:
• ASTM B-3 and B-8
• UL Standard 83
• UL Standard 719
• Federal Specification A-A-59544
• National Electrical Code, NFPA 70. 2011 Edition


NM-B cable is manufactured as 2, 3, or 4 conductor
cable, with a bare ground wire. Copper conductors are annealed (soft) copper. Stranded
conductors are compressed stranded. Conductor insulation is 90°C-rated polyvinyl
chloride (PVC), nylon jacketed. Romex® Brand SIMpull® NM-B cable is designed for
easier pulling, resulting in easier installation. The cable jacket is color-coded for quick size
identification; Black - 4 AWG, Black - 4 AWG, Black - 4 AWG, and Black - 4 AWG
and 6 AWG.

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