1/0 AWG Welding Cable Class K 600 V - Black | Nassau National Cable
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1/0 AWG Welding Cable Class K 600V Cable

1/0 AWG Welding Cable Class K 600V Cable
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1/0 AWG Welding Cable Class K 600V Cable
Roll over image to Zoom
1/0 AWG Welding Cable Class K 600V Cable
Roll over image to Zoom
1/0 AWG Welding Cable Class K 600V Cable
Roll over image to Zoom
1/0 AWG Welding Cable Class K 600V Cable
Roll over image to Zoom
1/0 AWG Welding Cable Class K 600V Cable
SKU: NNC14308X-4
welding-cable-class-k-90c-600v-bare-copper-cable

Availability: In stock

Min Length: 1 FT
Max Length: 10000 FT
Price:
Regular price
$4.84 /FT
Sale price
$4.84 /FT
Shipping Cost Calculated at Checkout. Standard Lead Time is 1 to 6 Business Days.
Free Shipping: On orders above $1000
Quantity must be 1 or more

Enter the required footage in the quantity box - Cut to one length

Customer Reviews

Based on 5 reviews
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(1)
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G
Gregory S.Austin
welding cable

Items as described, good packaging, prompt shipment.

R
Richard Moore
Welding Cable

Everything I use Nassau for underground dotect burial, welding cable, whips whatever. They are great at service, value and ontime!

D
David

Too big

Where are we? 4 Continents 9 Countries

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garrie

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Product Information
Specification

1/0 AWG Welding Cable Class K 600V Cable

Allowable Ampacity For 1/0 AWG Welding Cable Class K 600V Cable: 190 Amps

Also Known As:

1/0 Class K 90C 600V Bare Copper Temporary Power Cable, 1/0 Class K 90C 600V Bare Copper Flexible Power Cable, 1/0 Class K 90C 600V Bare Copper Welder's Cable,  1/0 Class K Welding Lead Wire, 1/0 Class K Welding Ground Lead, 1/0 Class K Copper Welding Lead, 1/0 welding wire.

Applications:

1/0 AWG Welding Class K bare copper cable is used for high-capacity welding leads and temporary power supply connections rated up to 600 volts AC and 90°C. Class K indicates finely stranded (30 AWG) bare copper, which makes the cable highly flexible and easy to handle.

Welding cable is built to power arc welding machines and deliver current to the welding point. Its rugged design withstands high heat, abrasion, and mechanical stress.

This cable is commonly used in:

  • Arc welding machines
  • Power supply applications
  • Earth clamps
  • Battery connections (automotive, marine, solar)
  • Emergency generators
  • Magnet cranes
  • Industrial machinery
  • Mining equipment

Primary Uses:

  • Heavy-duty welding: Connects welding machines to electrodes and ground clamps where high current is required
  • Industrial equipment: Powers high-current machines in industrial environments

Secondary Uses:

  • Battery connections: Links batteries and inverters in high-current systems
  • Emergency power: Connects generators to loads or distribution panels
  • Electromagnetic cranes: Powers heavy-duty magnetic lifting devices
  • Mining operations: Handles high-current loads for heavy mining machinery

Welding Cable Standards:

  • RoHS Compliant
  • Meets industry requirements for lead-free, environmentally safe construction
  • Suitable for use in accordance with OSHA, NEC, and other regulatory safety codes when properly installed

Welding Cable Construction:

Conductor:

Fully annealed stranded bare copper, class K stranding.

Jacket:

Black premium-grade Ethylene Propylene Diene Monomer (EPDM) is flexible, durable, and resistant to moisture.

Welding Cable Specification:

  • AWG Size: 1/0
  • Conductors Strands: 1
  • Conductor Type: 990/30
  • Jacket type: EPDM
  • Color: Black
  • Insulation: NONE
  • Voltage rating: 600V
  • Temperature: 90C
  • Outside Diameter: 0.560
  • Lbs./M': 400

    Compatible with Manufacturer

    Coleman : Black : 10415
    General Cable : Black : 1774
    Red : 01774.41.03
    Omni Cable : Black : B21/001
    Red : B21/001-03
    Southwire : Black : 57006099
    Red : 1774
    Houston Wire : Black : HW25310101
    Kalas : Red : 650007.03.003
    AZ Wire item : Black : 5WC-1011
    AWC : Black : WELD-1/0
    Priority Wire & Cable : Black : WELD-1/0


    *Data provided on this page is subject to change based on different manufacturers' variances
    ** Images are for display purposes only refer to Product Technical Details for accurate information on the product.
    In the case the material only comes in a predetermined color or doesn’t come with any color
    Download PDF Spec Sheet

    FAQ's

    What are particular applications of 1/0 welding cable?
    • Medium to Heavy-Duty Welding
    • Outdoor Welding Operations
    • Portable Welding Setups
    • Secondary Leads on Electric Arc Welders
    What is the best welding cable for heavy-duty use: Class K or Class M?

    Both are 600V copper welding cables; the difference is stranding. Class K uses 30 AWG strands and an EPDM jacket that resists heat, abrasion, and moisture. It’s the standard choice for welding leads, temporary power, and shop work, at a lower cost per foot. Class M uses finer 34 AWG strands and a CPE jacket, so it bends, coils, and routes more easily. Choose Class K for durability and value, and Class M when leads move constantly or run through tight spaces.

    How do I choose the right welding wire gauge for my project?

    Match the filler wire to your metal thickness and machine. As a rough guide: .023"–.024" for thin sheet and auto body work; .030" for light fabrication up to about 1/4"; .035" for general shop, trailer, and structural work from 1/8" to 1/2"; and .045" or larger for heavy plate on machines above 300A. Use solid wire with shielding gas indoors and flux-cored wire outdoors or on thick, rusty steel. Welding cable is sized separately, by your machine’s maximum amperage and the total length of the electrode and ground leads.

    What safety tips should I follow when working with welding wires and cables?
    • Size the cable to your welder’s max output and total lead length; undersized leads overheat.
    • Turn off the welder before connecting or swapping leads.
    • Inspect jackets every shift and replace damaged sections instead of taping them.
    • Keep lugs and connectors tight; loose ones overheat.
    • Clamp the ground on clean metal close to the weld.
    • Fully uncoil leads before welding.
    • Keep leads out of water and away from sharp edges, hot slag, and traffic.
    • Never wrap leads around your body.
    What is 1/0 AWG welding cable used for besides welding?

    1/0 AWG welding cable links battery banks to inverters in solar, marine, and RV systems, connects emergency generators to loads or panels, powers magnetic lifting cranes, and supplies high-current mining and industrial machinery. Check local code before using welding cable for permanent building wiring.

    Reviews

    Customer Reviews

    Based on 5 reviews
    80%
    (4)
    20%
    (1)
    0%
    (0)
    0%
    (0)
    0%
    (0)
    G
    Gregory S.Austin
    welding cable

    Items as described, good packaging, prompt shipment.

    R
    Richard Moore
    Welding Cable

    Everything I use Nassau for underground dotect burial, welding cable, whips whatever. They are great at service, value and ontime!

    D
    David

    Too big

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