Romex Wire (14/2 NM-B): Complete Buying Guide 2026
14/2 Romex is the standard residential wiring for 15-amp lighting and general outlet circuits. It contains two insulated 14-gauge copper conductors plus a bare ground wire in a non-metallic sheath. In 2026, romex wire (14/2 nm-b) prices average $0.45 per linear foot, with a typical range of $0.30 to $0.70 depending on your region, supplier relationships, and order quantity.
When budgeting for a project using romex wire (14/2 nm-b), factor in approximately 10% additional material for waste, plus labor costs averaging $4.00 per linear foot for professional installation. A typical project using this material runs approximately $1,200 including both materials and labor.
With an expected lifespan of 40 years, romex wire (14/2 nm-b) represents a cost of approximately $0.01 per linear foot per year of service life. This solid lifespan provides good value for most residential and commercial applications.