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Cable, Non-Metallic Sheathed; 8 AWG; 2C; 125 ft. Coil

Cable, Non-Metallic Sheathed; 8 AWG; 2C; 125 ft. Coil

Last price we saw

$302.00at Home Depot, last seen Nov 3

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Our take on the Cable, Non-Metallic Sheathed; 8 AWG; 2C; 125 ft. Coil

This is a 125 ft coil of 8 AWG NM-B (Romex-style) sheathed cable with two insulated copper conductors plus a bare ground, rated 40 A at 600 V and 90°C. It is the standard cable for 40 A residential and light commercial branch circuits, such as ranges, dryers and subpanels. The single new price on record is $302.00 at Home Depot as of November 3, 2026, with no other store competing on this listing.

Best forWiring a 40 A range, dryer or subpanel runResidential remodel and branch-circuit workContractors buying a full 125 ft coil for one jobIndoor and dry-location runs through studs and joists
Pros
  • 40 A ampacity suits 40 A appliances and subpanels
  • Two conductors plus ground in one sheath speeds pulls
  • Copper conductors with 90°C rated PVC insulation and jacket
  • 125 ft coil covers most single-room or panel-to-appliance runs
  • Moisture-resistant jacket is fine for typical indoor residential use
Cons
  • 8 AWG copper is stiff and harder to bend in tight boxes
  • NM-B is not rated for wet locations, outdoors or buried conduit
  • Only two current-carrying conductors, so no 240 V plus neutral without a third wire
  • 125 ft may be short for long panel runs, forcing a splice or second coil
  • Copper price swings make this a costly coil compared with aluminum feeder cable

Cable, Non-Metallic Sheathed; 8 AWG; 2C; 125 ft. Coil prices at every store

  • Home DepotCheck price at Home Depot

Cable, Non-Metallic Sheathed; 8 AWG; 2C; 125 ft. Coil price history

Lowest price we've seen: $302.00 on Nov 3 at Home Depot. Tracked across 1 store since Nov 3.

What reviewers say

NM-B cable in this gauge is widely used and generally trusted by electricians for 40 A residential circuits. Complaints tend to center on stiffness and jacket damage during pulls rather than electrical performance.

Pros
  • Reliable, code-recognized cable for 40 A circuits
  • Ground wire included saves a separate pull
  • Jacket strips cleanly and holds up in normal framing runs
Cons
  • Stiff 8 AWG is awkward in small boxes and tight bends
  • Jacket can scuff or nick when pulled through sharp framing
  • Price rises with copper costs

Specifications

Unit of Sale
1 Roll 125 feet Order in multiples of: 1
Conductor Material
Copper
Ampacity
40 A
Voltage Rating
600 volts
Conductor Size
8 AWG
Type
NM-B (nonmetallic-sheathed)
Wire Configuration
Nonmetallic with Ground Sheathed Cable
Insulation Material
PVC
Number Of Conductors
2
Material
Copper
Length
125 ft
Wire Gauge
8 AWG
Diameter
0.141 inch (0.36 cm) (Over Conductor)
Outer Diameter
0.628 x 0.278 inch (1.60 x 0.71 cm)
Thickness
30 mils (0.76 mm) (Jacket)
Application
Residential wiring of branch circuits, Commercial wiring of branch circuits
Weather Resistance
Moisture Resistant
Quantity
125 ft
Packaging Type
Coil, REEL, SPOOL
Max Temperature Rating
90°C
Jacket Type
Polyvinyl Chloride (PVC)
Color
Black
Strand Count
7
Safety Features
Ground wire included

Questions and answers

Is 8/2 NM-B the right cable for a 40 A circuit?
Yes. Two 8 AWG copper conductors with ground are rated 40 A, which matches a 40 A breaker and typical 40 A appliances. Confirm the appliance's nameplate and local code before buying.
Can this cable be used outdoors or underground?
No. NM-B is for dry, indoor locations and is not rated for wet locations, direct burial or outdoor conduit runs. Use UF cable or THWN in conduit for those.
Does the coil include a ground wire?
Yes. The cable has two insulated conductors plus a bare ground wire inside the sheath. That ground counts toward the circuit's equipment grounding requirement.
How long is the coil and will it reach my panel?
The coil is 125 ft. Measure the full route including up and over framing and add slack; if the run exceeds that, plan a junction box or a second coil.
When is the price likely to be lowest?
Copper cable prices track metal costs, so they move with commodity markets rather than seasonal sales. Compare against the $302.00 Home Depot price as of November 3, 2026 before buying.

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