14/4 W/GRND NM-B Romex

14/4 W/GRND NM-B Romex

14/4 W/GRND NM-B Romex


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14/4 W/GRND NM-B Romex
Min Length: 1 FT
Max Length: 1000000 FT
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Product Information


14/4 W/GRND NM-B Romex

Allowable Ampacity for 14/4 W/GRND NM-B Romex: 15 Amps


Romex Type NM-B Copper Building Wire is commonly applied in residential building wiring as a branch circuit for switches and outlets. It can also be used for various building purposes, both inside and outside (the temperature should not exceed 90 °C). NM-B electrical wire can be used in air voids in tile walls. The voltage rating of the cable is 600 volts. The electrical wire is easily installed because it is specifically designed for easier pulling. 

Also Known As:

14/4 NM-B Wire, 14/4 NM-B Cable, 14/4 Non-Metallic Sheathed Cable, 14/4 Non-Metallic Sheathed Wire, Romex Wire, W Grnd NM-B Romex


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



The cable has 4 conductors with a bare ground wire. The conductors are made of soft bare annealed copper.


The 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: 91 lbs
  • Conductors: 4
  • Number of Strands: 1**
  • 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.

Download PDF Spec Sheet


14/4 W/GRND Romex-Type NB-M Copper Building Wire