10/3 NM-B Wire with Ground 50FT - 100% Pure Copper Residential Wire

In this review of the 10/3 NM-B Wire with Ground 50FT, the bottom line is simple: this cable is aimed at homeowners, electricians, and DIYers who need a durable, straightforward solution for indoor branch circuits where a 10 AWG, 3-conductor cable is required. The reviewer found the solid, 99.99% oxygen free copper conductor and stout PVC jacket make it especially reliable for outlets, switches and lighting runs. It is not a specialty cable for direct burial or outdoor exposed use, but for interior residential wiring it delivers consistent conductivity and easy handling.

Key Features

• 10 AWG 3-conductor design: Provides appropriate ampacity for heavier branch circuits and common residential loads while including a dedicated ground conductor for safety.
• 99.99% oxygen free copper: Ensures strong conductivity and corrosion resistance so connections remain stable over long installations.
• Wide temperature rating: Rated from -10C to +90C (-14 F to 194 F), allowing use in a variety of interior environments without loss of performance.
• Durable PVC jacket: The high-grade outer sheath is flexible, flame retardant and water resistant to ease pulling through walls and conduits during installation.
• 600V voltage rating: Suitable for standard residential branch circuits and compatible with typical household wiring practices.
• Manufacturer support: The seller offers product testing and a customer response promise for issues reported, which adds confidence to the purchase.

Who It's For

This cable is best for residential electricians, contractors, and competent DIYers wiring indoor branch circuits for outlets, ranges, subpanels or lighting where a 10 AWG conductor is required. The solid copper core and sturdy jacket suit longer runs that need reliable conductivity and mechanical protection inside walls and ceilings.

It is not intended for outdoor exposed runs, direct burial, or situations that require a conduit-rated or metal-clad cable. Users needing UF-B rated underground cable or specialized jacket materials should look at cables designed for those environments instead.

Pros & Cons

Pros

• High-purity oxygen free copper gives excellent conductivity and long-term corrosion resistance.
• Sturdy PVC sheath is flexible enough for pulling yet offers good flame retardant and moisture resistance.
• Clear temperature and voltage ratings make it suitable for typical indoor residential applications.

Cons

• Not designed for direct burial or constant outdoor exposure, so additional products are needed for those uses.
• Solid conductor limits flexibility compared with stranded wire for certain tight bends.

Specifications

Conductor	Solid copper, 99.99% oxygen free
Gauge	10 AWG, 3 conductors plus ground
Length	50 ft
Temperature Rating	-10C to +90C (-14 F to 194 F)
Voltage Rating	600V
Outer Jacket	High-grade PVC, flame retardant

Our Verdict

The 10/3 NM-B 50ft cable is a sensible, value-oriented choice for indoor residential wiring where a solid 10 AWG conductor with ground is required. Its high-purity copper and robust PVC jacket deliver reliable conductivity and ease of installation for outlets, switches and lighting, making it a practical pick for most homeowners and electricians doing standard interior work.

Frequently Asked Questions

Can this cable be used outdoors?
No. This NM-B cable is intended for residential indoor wiring; use UF-B or conduit-protected cable for outdoor or direct burial applications.

Is the conductor solid or stranded?
The cable uses a solid copper inner conductor, which provides stable conductivity but is less flexible than stranded wire.

Does it include a ground conductor?
Yes. The 10/3 NM-B includes a dedicated ground conductor alongside the three insulated conductors for safety.