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250' 12/2 W/GRND NM-B 600V Solid Yellow

12/2 W/GRND NM-B Romex
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250' 12/2 W/GRND NM-B 600V Solid Yellow

SKU: NNC2596X03

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250' 12/2 W/GRND NM-B 600V Solid Yellow

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Product Information


12/2 W/GRND NM-B 600V Solid Yellow

Allowable Ampacity (amp rating) for 12/2 W/GRND NM-B : 20 Amps

Also Known As:

12/2, 12/2 NM-B Wire, 12/2 NM-B Cable, 12/2 Non-Metallic Sheathed Cable, 12/2 Non-Metallic Sheathed Wire, 12/2 W Grnd NM-B, 12/2 Electrical Wire, 12/2 Indoor Wire, 12/2 Yellow Wire, 12/2 NM Cable, 12/2 NM Wire, 12/2 Residential Cable, 12/2 House Wire, 12/2 Home Wiring Cable, 12/2 Branch Circuit Wire, 12/2 Grounded Wire.

Applications of 12/2 NM-B:

Type NM-B Copper Building Wire is commonly applied in residential building wiring and branch circuits for switches and outlets. wire is for dry indoor applications. 12/2 can also be used for various building purposes inside (the temperature should not exceed 90 °C).12/2 NM-B electrical wire can be used in air voids in tile walls. The voltage rating of the 12 Gauge is 600 volts. The 12/2 electrical wire is easily installed because it is specifically designed for easier pulling. 

The range of NM-B applications includes:

  • Residential electric systems, including lights, switches, and outlets.
  • Branch circuits
  • Small appliances, including  microwave ovens, dishwashers, and garbage disposals
  • HVAC systems
  • In Air Void Applications of Tile Walls
  • The applications of NM-B are specified in Article 334 of NEC


The particular applications of NM-B in sizes 12/2 rated 20 Amps include:

  • Lighting circuits
  • Outlet cIrcuits
  • Small appliances
  • HVAC circuits
  • Bathroom circuits

12/2 NM-B Standards:

  • ASTM B-3 and B-8 conductors
  • UL Standard 83 for thermoplastic insulated wires
  • UL Standard 719 for NM cables
  • Federal Specification A-A-59544
  • National Electrical Code, NFPA 70. 2011 Edition
  • RoHS/ REACH compliant

Construction of a 12/2 NM-B:


The 12/2 has 2 conductors with bare ground wire. The conductors are made of soft solid bare annealed copper.


The 12/2 NM-B wire has a polyvinyl chloride (PVC) insulation, making it perfect for harsh conditions. 


PVC jacket of a 12/2 NM-B Cable comes in yellow, orange, white, and black colors.

Specifications of 12/2 NM-B:

  • Size AWG: 12 
  • Weight per 1000 ft: 82 lbs
  • Conductors: 2
  • Number of Strands: 1 Solid
  • Insulation: PVC
  • Insulation Thickness: 19 mils

  • *Data provided on this page is subject to change based on different manufacturers' variances
    ** Images are for display purposes only refer to Product Technical Details for accurate information on the product.
    In the case the material only comes in a predetermined color or doesn’t come with any color

    Download PDF Spec Sheet



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    250' 12/2 W/GRND NM-B 600V Solid Yellow