Introducing Southwire 250 ft. 10/3 Solid Romex Type NM-B WG Non-Metallic Wire — a purpose-built indoor wiring solution crafted for dependable residential circuits. This NM-B cable packs three solid copper conductors inside a tough nylon jacket, delivering a compact, easy-to-pull option for everyday electrical projects.
Designed to meet real-world needs, this 10/3 NM-B wire supports up to 600V and a 90°C temperature rating, making it suitable for common branch circuit runs in living spaces, kitchens, basements, and attics. UL-listed for safety and reliability, it combines solid conductors with a durable jacket to withstand the rigors of home installation.
Why this cable stands out
- Three solid copper conductors with copper grounding for strong, dependable performance
- Jacketed in nylon for enhanced abrasion resistance and easier pulling through framing and conduit
- Flame-retardant construction to help improve safety in typical indoor installations
- UL Listed for verified quality and compliance
- Voltage rating of 600V and temperature rating of 90°C to cover a wide range of residential circuits
- Sunlight/UV Resistant jacket adds durability in areas with incidental exposure
- Indoor use with a 250 ft spool, reducing the need for frequent splices on longer runs
- Amp rating up to 30 A, making it suitable for standard home appliance and lighting circuits
- Direct Burial: Yes — versatile with appropriate installation practices
Ideal applications and practical use
- Branch circuits for receptacle outlets and lighting in retrofits or new residential builds
- Indoor runs from the main panel to rooms, closets, basements, or attics where NM-B is permitted
- Projects that require a reliable 10 AWG conductor size for moderate-load circuits
- Installations where a nylon jacket’s durability aids pulling through studs, joists, or chases
How this compares in real-world scenarios
Compared to other non-metallic cables, this NM-B WG variant offers a tougher jacket with nylon insulation, contributing to easier handling and longer life in typical indoor environments. It provides solid copper conductors for consistent conductivity and a robust ground path, helping you meet code requirements while delivering dependable performance for everyday residential loads.
Key specifications at a glance
- Product: Southwire 250 ft. 10/3 Solid Romex Type NM-B WG Non-Metallic Wire
- Conductor: 10 AWG, solid copper
- Number of conductors: 3
- Ground: Copper
- Jacket: Nylon
- Amp rating: 30 A
- Voltage rating: 600 V
- Temperature rating: 90°C
- UL Listed: Yes
- Direct Burial: Yes
- Sunlight/UV Resistant: Yes
- Indoor/Outdoor use: Indoor
- Length: 250 ft
- Type: Romex NM-B WG Non-Metallic
With the Southwire 250 ft. 10/3 Solid Romex NM-B WG, you get a straightforward, durable wiring solution built for reliable performance in standard home electrical projects. It’s the practical choice for builders, remodelers, and DIY enthusiasts who want solid conductors, a resilient jacket, and a cable you can trust from panel to outlet.
