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500' 14/3 W/GRND NM-B 600V Solid White

500' 14/3 W/GRND NM-B 600V Solid White
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500' 14/3 W/GRND NM-B 600V Solid White

SKU: NNC2600X04

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500' 14/3 W/GRND NM-B 600V Solid White

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Product Information


14/3 W/GRND NM-B 600V Solid White

Allowable Ampacity (amp rating) for 14/3 W/GRND NM-B : 15 Amps

Also Known As:

14/3 NM-B Wire, 14/3 NM-B Cable, 14/3 Non-Metallic Sheathed Cable, 14/3 Non-Metallic Sheathed Wire, 14/3 W Grnd NM-B, 14/3 Electrical Wire, 14/3 nmb For Sale, 14/3 Indoor Wire, 14/3 Flexible Romex, Romex Wire 12 2, 14/3 White Wire, 14/3 NM Cable, 14/3 NM Wire, 14/3 Residential Cable, 14/3 House Wire, 14/3 Home Wiring Cable, 14/3 Branch Circuit Wire, 14/3 Grounded Wire.

Applications of 14/3 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. 14/3 can also be used for various building purposes inside (the temperature should not exceed 90 °C).14/3 NM-B electrical wire can be used in air voids in tile walls. The voltage rating of the 14 Gauge is 600 volts. The 14/3 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


Unlike 14/2 wire, which is used for standard lighting circuits, 14/3 Nm-b electrical wire is 1 is often used for circuits where a third wire is necessary, such as three-way lighting switches, or shared-neutral circuits.The particular applications of NM-B in sizes 14/3  rated 15 Amps include:

  • Three-Way Switches
  • Shared Neutral Circuits
  • Separate Switches For Fan and Light

 14/3 NM-B Standards:

  • ASTM B-3 and B-8
  • UL Standard 83
  • UL Standard 719
  • Federal Specification A-A-59544
  • National Electrical Code, NFPA 70. 2011 Edition

Construction of a 14/3 NM-B:


The 14/3 has 3 conductors with a bare ground wire. The conductors are made of soft Solid bare annealed copper.


The 14/3 NM-B cable has a polyvinyl chloride (PVC) insulation, making it perfect for harsh conditions. 


PVC jacket comes in yellow, orange, white, and black colors.


  • Size AWG: 14 
  • Weight per 1000 ft: 74 lbs
  • Conductors: 3
  • 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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    500' 14/3 W/GRND NM-B 600V Solid White