SPEC: 10028

12-2-2 NM-B WITH GROUND EXTRA CIRCUIT 250 FT

Southwire #: 55048455

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YELLOW
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Application & Features

Southwire Romex® Brand SIMpull® Type NM-B (nonmetallic-sheathed) cable may be used for both exposed and concealed work in dry locations 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.

Specifications

Cond. Size 12 AWG 12 AWG
Conductor Number 4 4
Cond. Strands Solid Solid
Diameter Over Conductor (in) (cm) 0.080 0.20 inch cm
Inner Layer Thickness (mils) (mm) 20 0.51 mils mm
Ground Size 1x12 1x12
Outer Layer Thickness (mils) (mm) 30 0.76 mils mm
Approx. OD (in) (cm) 0.395 1.00 inch cm
Copper Weight (lbs/1000') (kgs/km) 99 147 lbs/1000' kgs/km
Approx. Weight (lbs/1000') (kgs/km) 138 205 lbs/1000' kgs/km

* 2x2 construction

Standards & References

  • ASTM B3 Soft or Annealed Copper Wire
  • ASTM B8 Concentric-Lay-Stranded Copper Conductors
  • UL 719 Nonmetallic-Sheathed Cables
  • RoHS-2 (European Directive 2011/65/EU)
  • Federal Specification A-A-59544
  • NOM-063-SCFI Electrical Products – Conductors – Safety Requirements

Construction

  1. Conductor: Bare copper per ASTM B3. Sizes #14 AWG - #10 AWG are solid. Sizes #8 AWG - #2 AWG are Class B compressed stranded per ASTM B8
  2. Insulation: All phases and neutral(s) are insulated with Polyvinyl Chloride (PVC) with Nylon Sheath 2/C: Black, White 3/C: Black, Red, White 4/C: Black, Red, Blue, White
  3. Ground: Solid soft drawn bare copper with kraft paper wrap
  4. Binder: Kraft paper
  5. Jacket: Polyvinyl Chloride (PVC) jacket utilizing SIMpull Technology