Non-metallic Romex Sheathed Electrical Cable With Ground, 12/3, 100 Ft.

Discover the Southwire 12/3 NM-B Romex cable, a 100‑foot roll of premium non‑metallic sheathed wire designed for safe, reliable residential wiring. Crafted with solid copper conductors and a durable gray jacket, this grounded cable meets the toughest building‑code standards while offering easy handling for electricians and DIY enthusiasts alike.

Why choose this cable? Its 90 °C temperature rating ensures consistent performance even in demanding environments, and the integrated grounding strand provides essential protection against electrical faults. Whether you’re upgrading a kitchen circuit or installing new lighting, this versatile wire delivers the power and safety you need.

• 12/3 Configuration: Three insulated conductors plus a grounding wire deliver ample capacity for multi‑wire branch circuits, ideal for 120/240 V applications.
• Solid Copper Conductors: High‑conductivity copper ensures low resistance, efficient energy transfer, and long‑term durability.
• NM‑B Rating: Non‑metallic sheathed (Romex) construction complies with NEC standards for indoor residential wiring, simplifying installation.
• 90 °C Temperature Rating: Engineered to operate safely at elevated temperatures, reducing risk of overheating in tight conduit spaces.
• 100‑Foot Length: Generous roll length minimizes the need for splicing, saving time and labor on larger projects.

Ready for any job: From new construction to remodels, this Southwire 12/3 Romex cable provides the confidence of a code‑compliant, high‑performance solution. Its flexible jacket makes routing through walls and ceilings a breeze, while the built‑in ground wire safeguards your home’s electrical system. Choose Southwire for dependable quality that professionals trust.