10/2 NM-B Wire with Ground 250FT 10 Gauge Non-Metallic Sheathed Cable

In this review the 10/2 NM-B Wire with Ground 250FT is assessed for residential branch-circuit projects where reliable copper conductors and NEC compliance matter most. The bottom line: this cable is aimed at electricians and experienced DIYers who need a long run of solid 10 AWG pure copper NM-B for outlets, dedicated appliance circuits or subpanels; its strongest selling point is the high-purity bare copper conductor and durable dual-layer jacket that together deliver stable conductivity and long-term protection in dry, indoor installations.

Key Features

• Pure copper conductor: High-purity bare copper reduces resistive losses and maintains better conductivity for longer runs and demanding loads.
• NEC Type NM-B compliance: Built to meet National Electrical Code requirements for non-metallic sheathed cable in residential branch wiring applications.
• Dual-layer insulation: A flame-retardant PVC inner insulation plus an abrasion-resistant nylon outer jacket protects the conductors from physical damage and common environmental exposures in walls and conduits.
• Paper-wrapped ground: The grounding conductor is wrapped in kraft paper for easy identification and separation during installation, speeding up pull and termination.
• Wide temperature and voltage ratings: Rated for 600V and temperatures from -10C to 90C (14F to 194F), providing stable performance across typical indoor environments.
• RoHS compliant manufacturing: Produced without restricted hazardous substances, giving additional assurance about materials and quality control.

Who It's For

This cable is best for electricians, remodelers, and experienced DIY homeowners who need a long length of 10 AWG NM-B for interior circuits such as outlets, switches, dedicated appliance feeds, or small subpanel runs. Its pure copper conductors and NEC compliance make it a straightforward choice for standard residential branch wiring in dry locations.

Those who should look elsewhere include users needing highly flexible cable for tight bends or frequent handling on job sites, and anyone wiring outdoors or in wet locations where different jacket types and ratings are required.

Pros & Cons

Pros

• High-purity bare copper conductor offers reliable conductivity and lower power loss on longer runs.
• Durable PVC inner insulation with a tough nylon outer jacket resists abrasion and common in-wall hazards.
• Paper-wrapped ground and clear ratings simplify identification and installation for electricians.
• RoHS compliant and manufactured under quality controls for consistent performance.

Cons

• Outer sheathing is reported by some users to be stiff and harder to work with, reducing flexibility during pulls and terminations.

Specifications

Conductor material	Pure bare copper
Gauge and conductors	10/2 with ground (10 AWG, 2 conductors + ground)
Length	250 ft
Cable type	NM-B non-metallic sheathed cable
Voltage rating	600V
Temperature range	-10C to 90C (14F to 194F)
Compliance	NEC Type NM-B, RoHS compliant

Our Verdict

The 10/2 NM-B 250FT cable is a practical, cost-effective choice for residential interior wiring when you need solid 10 AWG pure copper conductors and NEC-compliant NM-B construction. It delivers good long-run conductivity and durable protection in walls and conduit, making it a sensible pick for outlets, switches and dedicated appliance feeds, though installers seeking extra flexibility may prefer a different jacket style.

Frequently Asked Questions

Is this cable suitable for outdoor use?
No. The cable is designed for dry, interior residential branch wiring and is not rated for outdoor or wet location use.

Can this wire be used for appliance circuits such as tankless water heaters?
Yes, the 10 AWG pure copper conductors are commonly used for dedicated appliance circuits; confirm breaker and appliance requirements before installation.

How easy is it to pull and terminate?
The paper-wrapped ground aids identification, but some users report the outer nylon sheathing is stiff, which can make pulling and handling less flexible than softer jackets.