StoreDeal.ai store
Shop
  • Deals
  • Deal checker
  • Black Friday
  • Buying guides
  • Brands
  • Stores
Travel
  • Flight deals
  • Hotel deals
Company
  • Research
  • Press
  • Use in AI assistants
  • Contact
  • deal.ai apps
Black Friday 2026
  • Walmart
  • Best Buy
  • Target
  • TVs
  • Laptops
  • Headphones
  • Apple
  • Gaming
  • Vacuums
  • Kitchen
  • Toys
  • Smartwatches
  • Tablets
  • Furniture
  • Mattresses
© Deal.ai Inc.·2222 Ponce de Leon Blvd, Miami, FL 33134·support@deal.ai
TermsPrivacy
Deal.ai
6
6/3 W/GRND NM-B Round Copper Cable 600V

6/3 W/GRND NM-B Round Copper Cable 600V

Best price now

$46.99at AmazonChecked 1 h ago

93% under what the other stores charge

Compared across 6 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission. As an Amazon Associate, Deal.ai earns from qualifying purchases.

Visit Amazon

Ask our agent about this product

It checks today's price at every store, compares the alternatives and answers in about a minute.

Enter to send, Shift+Enter for a new line

Price facts

  • Lowest price today: $46.99 at Amazon (checked Nov 12, 2026).
  • Checked at 6 stores.

6/3 W/GRND NM-B Round Copper Cable 600V prices at every store

  • The Home DepotNew

    In stock

    $110.00Free shippingChecked 1 h ago
    Visit The Home Depot
  • WalmartNew

    In stock

    $659.80Free shippingChecked 1 h ago
    Visit Walmart
  • NassauNationalCableNew

    In stockReturn policy

    $1,197.50Checked 1 h ago
    Visit NassauNationalCable
  • Grainger Industrial SupplyNew

    In stock

    $2,550.89+ $231.69 shippingChecked 1 h ago
    Visit Grainger Industrial Supply
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $46.99Free shippingChecked 1 h ago
    Visit Amazon
  • Lowe'sNew

    Out of stock

    $535.00Free shippingChecked 1 h ago
    Visit Lowe's

Store links may earn us a commission.

6/3 W/GRND NM-B Round Copper Cable 600V price history

Lowest price we've seen: $46.99 on Nov 12 at Amazon. Tracked across 5 stores since Nov 12.

About the 6/3 W/GRND NM-B Round Copper Cable 600V

6/3 W/GRND NM-B Round Copper Cable 600V

Application:

600 Volt, multi conductor cable constructed with copper conductors, thermoplastic insulation (PVC/Nylon) rated 90°C with a bare copper ground, enclosed within an overall polyvinyl chloride jacket. The allowable ampacity is limited to 60°C per the NEC. Type NM-B Cables are primarily used in dry locations for residential wiring as branch circuits for outlets, switches and other loads. Type NM-B Cables are permitted for both exposed and concealed work in normally dry locations except as prohibited by NEC and also permitted to be installed or fished in air voids in masonry block or tile walls where locations are not damp or wet. Voltage for all applications is 600 volts.

Also Known As:

6/3 NM-B Wire, 6/3 NM-B Cable, 6/3 Non-Metallic Sheathed Cable, 6/3 Non-Metallic Sheathed Wire, 6/3 W Grnd NM-B, 6/3 Electrical Wire, 6/3 nmb For Sale, 6/3 Indoor Wire, 6/3 Flexible Romex, Romex Wire 12 2, 6/3 White Wire, 6/3 NM Cable, 6/3 NM Wire, 6/3 Residential Cable, 6/3 House Wire, 6/3 Home Wiring Cable, 6/3 Branch Circuit Wire, 6/3 Grounded Wire, 6/3 Round Wire, 6/3 NM-B Round Cable, 6/3 NM-B Round.

Construction:

Conductor:

Fully annealed bare copper. Stranded conductor per ASTM B3 & ASTM B8.

Insulation:

Extruded flame retardant, heat and moisture resistant colored Polyvinyl Chloride (PVC) compound.

Overall Jacket:

Extruded tough Polyamide (nylon) compound.

Ground:

Bare uncoated solid copper wrapped with a fire-retardant paper tape.

Assembly:

Flat configuration: Paper wrapped ground Placed between the insulated conductors and laid parallel.

Round configuration: Insulated conductors and ground twisted together.

Separator:

A suitable paper wrap applied over the assembled conductors.

Jacket:

Overall colored Polyvinyl Chloride (PVC) compound color coded for quick conductor size identification as follows:

i 14 AWG

i 12 AWG

il 10 AWG

Questions and answers

Where is the 6/3 W/GRND NM-B Round Copper Cable 600V cheapest?
At Amazon, for $46.99, 93% under what the other stores charge, as of our latest check.
Where can I buy the 6/3 W/GRND NM-B Round Copper Cable 600V?
6 stores we checked sell it, including NassauNationalCable, The Home Depot, Amazon, Lowe's, Walmart.

Stores we've priced the 6/3 W/GRND NM-B Round Copper Cable 600V at

  • Grainger Industrial Supply deals and prices
  • Home Depot deals and prices
  • Lowe's deals and prices
  • Walmart deals and prices

More electrical wire

  • 8
    8/2 NM-B, Non-Metallic, Sheathed Cable, Residential Indoor Wire, Used for Wiring Swiches, Outlets and Other Loads with Dry Applications (30Ft Cut)
    8/2 NM-B, Non-Metallic, Sheathed Cable, Residential Indoor Wire, Used for Wiring Swiches, Outlets and Other Loads with Dry Applications (30Ft Cut)
  • 5
    5FT 8AWG/2 Non-Metallic Sheathed Electrical Wire with Ground for Indoor Residential Wiring
    5FT 8AWG/2 Non-Metallic Sheathed Electrical Wire with Ground for Indoor Residential Wiring
  • 5
    50 ft. 10/2 Solid Romex Simpull CU NM-B W/G Wire
    50 ft. 10/2 Solid Romex Simpull CU NM-B W/G Wire
  • S
    Southwire 350 ft. 10/2 Solid Romex Type NM-B WG Non-Metallic Wire
    Southwire 350 ft. 10/2 Solid Romex Type NM-B WG Non-Metallic Wire
  • 1
    10/3 Solid Metal Clad MC Cable with Ground - 10 AWG 3-Conductor Aluminum Armored Wire with Ground - 15 ft
    10/3 Solid Metal Clad MC Cable with Ground - 10 AWG 3-Conductor Aluminum Armored Wire with Ground - 15 ft
  • 1
    125ft Roll 8/2 NM-B Gauge Indoor Electrical Black Copper Wire Ground C
    125ft Roll 8/2 NM-B Gauge Indoor Electrical Black Copper Wire Ground C
  • C
    Cable, Non-Metallic Sheathed; 8 AWG; 2C; 125 ft. Coil
    Cable, Non-Metallic Sheathed; 8 AWG; 2C; 125 ft. Coil
  • R
    Romex SIMpull 8/2 NM-B Copper Building Wire 125 ft Black Jacket
    Romex SIMpull 8/2 NM-B Copper Building Wire 125 ft Black Jacket