NM-B (Romex) Building Wire
Non-metallic sheathed cable for residential branch circuits. The standard for interior wiring in homes and light commercial buildings.
QUICK SPECIFICATIONS
Product Description
Type NM-B (Non-Metallic Sheathed Cable), commonly referred to by the brand name Romex, is the standard residential branch circuit wiring used throughout North America. Featuring individually insulated copper conductors and a bare grounding wire bundled within a flame-retardant PVC outer jacket, NM-B cable provides safe, efficient power distribution for interior building applications.
Rated at 600V with a 90°C conductor temperature rating, NM-B cable is designed for installation in normally dry interior locations — walls, ceilings, floors, and attics. Available in common configurations from 14/2 through 6/3 with ground, NM-B cable meets the requirements of NEC Article 334 and UL 719.
Key Features
- 01Flame-retardant PVC outer jacket
- 0290°C rated copper conductors
- 03Includes bare copper grounding conductor
- 04Color-coded outer jacket by gauge (white=14AWG, yellow=12AWG, orange=10AWG)
- 05Sequential footage markings for easy measurement
- 06UL Listed per NEC Article 334
Typical Applications
- check_circleResidential branch circuit wiring (15A, 20A, 30A circuits)
- check_circleInterior wall, ceiling, and floor installations
- check_circleLighting circuits in homes and apartments
- check_circleOutlet and receptacle circuits
- check_circleLight commercial interior wiring