1/0 Stranded Bare Copper Wire, Soft Drawn, 19 Strand

Parent SKU :  BCSTR1/0-19

SKU :  BCSTR1/0-19-250

UNINSULATED ELECTRICAL WIRE COMMONLY USED FOR GROUNDING ELECTRICAL SYSTEMS.
Wire Size 1/0
Conductor Material Copper
Strand Count 19
Outer Diameter 0.373 in.
Ampacity Rating 310
Weight per Foot 0.3258 lb

Get Product Details

Get Product Details

"Engineered for superior flexibility and high-capacity grounding, this 1/0 19-Strand Bare Copper wire is a premium solution for demanding electrical systems. By utilizing a 19-strand concentric-lay design, this conductor offers significantly better pliability than standard 7-strand wire, making it the ideal choice for complex conduit runs and high-performance grounding grids."

Why Electricians Choose 1/0 Stranded Bare Copper?

When installation space is tight and reliability is non-negotiable, 19-strand construction is the preferred choice. It provides the same massive cross-sectional area as standard 1/0 wire but with an optimized strand count that simplifies handling and improves connection integrity.

  • Enhanced Flexibility: 19 individual strands allow for tighter bends and easier routing in switchgear and transformer pads.

  • Superior Surface Area: Increased strand count provides more surface area, which is highly beneficial for high-frequency lightning dissipation.

  • Soft-Drawn (Annealed) Copper: Heat-treated for maximum workability, ensuring the wire stays where you bend it.

  • Industrial Durability: Uninsulated and naturally corrosion-resistant for permanent direct burial or outdoor applications.

Technical Specifications: 1/0 Bare Copper Wire 

  • Conductor Size: 1/0

  • Construction: 19-Strand

  • Temper: Soft-Drawn (Annealed)

  • Material: Bare Copper (Uninsulated)

  • Overall Diameter: 0.373 inches 

  • Approx. Weight: 325.8 lbs per 1,000 ft

  • DC Resistance at 20ºC: 0.10020 Ohms/1000 ft.

  • Rated Strength: 3,221 lbs.

  • Standards: ASTM B-3, ASTM B-8, Federal Spec QQ-W-343.

Common Applications: 1/0 Bare Copper Wire

  • Commercial Service Grounding: Connecting large service panels to grounding electrodes.

  • Substation Grids: Primary conductor for interconnected grounding mats and ring grounds.

  • Exothermic Welding: Preferred for permanent Cadweld connections in industrial infrastructure.

  • Lightning Protection: Dissipating high-energy surges in commercial and utility-scale systems.

  • Industrial Power: Reliable grounding for high-vibration machinery and motor frames.

 


Technical Note: All values are nominal and subject to industry tolerances and manufacturer corrections. Specifications are subject to change without notice. It is the buyer’s responsibility to verify that all materials meet the specific requirements of the project and comply with local electrical codes.

 

See Full Specifications

See Full Specifications

Physical Specifications

Wire Size (AWG/MCM) 1/0
Conductor Material Copper
Conductor Type Stranded
Strand Count 19
Outer Diameter (OD) (in/mm) 0.373 in.
Conductor Count 1
Shield Unshielded

Technical Specifications

Ampacity Rating 310
Direct Burial Rating Yes
Submersible No
Sunlight Resistance Rating Yes
Standards ASTM B-1 Hard-drawn copper wire
ASTM B-2 Medium-hard drawn copper wire
ASTM B-3 Soft or annealed copper wire
ASTM B-8 Concentric-lay stranded copper conductors: hard, medium-hard, or soft
ASTM B-33 Tinned soft or annealed copper wire
ASTM B-258
Federal Sepc QQ-W-365
Miscellaneous Information All values are nominal and subject to correction. *Ampacity based on 75ºC conductor temperature; 25ºC ambient temperature; 2ft./sec. wind in sun.

Usage & Installation

Primary ApplicationsGrounding Systems, Overhead Power Distribution, Ground Wire for Lightning Protection, Bonding Applications, Messenger and Support Wires
Common Uses
  • Used in both commercial and residential grounding systems
  • as well as for grounding utility equipment and substations.

Packaging & Dimensions:

Weight per Foot 0.3258 lb

Shipping and Returns

Shipping and Returns

General Shipping Information

In-stock orders placed before 3pm EST typically ship within 1-2 business days. Our business days are Monday through Friday; we do not process orders on Saturday, Sunday, or major US Holidays.

You will receive an e-mail with a tracking number within 1-2 business days from the time its shipped. You will also be able to view your order status and tracking numbers in your account order history.

Expedited Shipping

Expedited shipments are delivered Monday-Friday except on US Holidays. The order must be placed before 12pm CST to ship same day ( Mon-Fri Only).

Returns

You have 30 days from the day you receive the item to contact us for a return. Returns are subject to a 30% Restocking Fee.

Please contact us at help@wireamerica.com to request a return authorization. Have your order number or name the order was placed with ready and we will email you an RMA (return) number and instructions for return. Currently, we do not offer exchanges. A new order must be placed if you need a different item. If you provide the new order number at the time of your return request, the restocking fee may be lowered.

Orders on any items with a material value of $50 or less are non-returnable.

Stranded Bare Copper Wire

Wire America | Wire Flexibility Series

This video shows the conductor and flexibility of a 2 AWG Stranded Bare Copper Wire.

1/0 Stranded Bare Copper Wire, Soft Drawn, 19 Strand

Parent SKU :  BCSTR1/0-19

SKU :  BCSTR1/0-19-250

UNINSULATED ELECTRICAL WIRE COMMONLY USED FOR GROUNDING ELECTRICAL SYSTEMS.
In Stock
Ships in 1-2 days

Parent SKU :  BCSTR1/0-19

SKU :  BCSTR1/0-19-250

$973/ea.
$1,936/ea.
$3,852/ea.
$9,579/ea.
$19,059/ea.
$3.95/ft.
Please select an option
Min: 250 ft., Max: 20,000 ft.
Spool (250 ft.)
$973.00
Please select an option
Maximum reached, contact us for custom orders
Contact Us
  • Fast Shipping
  • Competitive Pricing
  • Phone Support

Get Product Details

Get Product Details

"Engineered for superior flexibility and high-capacity grounding, this 1/0 19-Strand Bare Copper wire is a premium solution for demanding electrical systems. By utilizing a 19-strand concentric-lay design, this conductor offers significantly better pliability than standard 7-strand wire, making it the ideal choice for complex conduit runs and high-performance grounding grids."

Why Electricians Choose 1/0 Stranded Bare Copper?

When installation space is tight and reliability is non-negotiable, 19-strand construction is the preferred choice. It provides the same massive cross-sectional area as standard 1/0 wire but with an optimized strand count that simplifies handling and improves connection integrity.

  • Enhanced Flexibility: 19 individual strands allow for tighter bends and easier routing in switchgear and transformer pads.

  • Superior Surface Area: Increased strand count provides more surface area, which is highly beneficial for high-frequency lightning dissipation.

  • Soft-Drawn (Annealed) Copper: Heat-treated for maximum workability, ensuring the wire stays where you bend it.

  • Industrial Durability: Uninsulated and naturally corrosion-resistant for permanent direct burial or outdoor applications.

Technical Specifications: 1/0 Bare Copper Wire 

  • Conductor Size: 1/0

  • Construction: 19-Strand

  • Temper: Soft-Drawn (Annealed)

  • Material: Bare Copper (Uninsulated)

  • Overall Diameter: 0.373 inches 

  • Approx. Weight: 325.8 lbs per 1,000 ft

  • DC Resistance at 20ºC: 0.10020 Ohms/1000 ft.

  • Rated Strength: 3,221 lbs.

  • Standards: ASTM B-3, ASTM B-8, Federal Spec QQ-W-343.

Common Applications: 1/0 Bare Copper Wire

  • Commercial Service Grounding: Connecting large service panels to grounding electrodes.

  • Substation Grids: Primary conductor for interconnected grounding mats and ring grounds.

  • Exothermic Welding: Preferred for permanent Cadweld connections in industrial infrastructure.

  • Lightning Protection: Dissipating high-energy surges in commercial and utility-scale systems.

  • Industrial Power: Reliable grounding for high-vibration machinery and motor frames.

 


Technical Note: All values are nominal and subject to industry tolerances and manufacturer corrections. Specifications are subject to change without notice. It is the buyer’s responsibility to verify that all materials meet the specific requirements of the project and comply with local electrical codes.

 

See Full Specifications

See Full Specifications

Physical Specifications

Wire Size (AWG/MCM) 1/0
Conductor Material Copper
Conductor Type Stranded
Strand Count 19
Outer Diameter (OD) (in/mm) 0.373 in.
Conductor Count 1
Shield Unshielded

Technical Specifications

Ampacity Rating 310
Direct Burial Rating Yes
Submersible No
Sunlight Resistance Rating Yes
Standards ASTM B-1 Hard-drawn copper wire
ASTM B-2 Medium-hard drawn copper wire
ASTM B-3 Soft or annealed copper wire
ASTM B-8 Concentric-lay stranded copper conductors: hard, medium-hard, or soft
ASTM B-33 Tinned soft or annealed copper wire
ASTM B-258
Federal Sepc QQ-W-365
Miscellaneous Information All values are nominal and subject to correction. *Ampacity based on 75ºC conductor temperature; 25ºC ambient temperature; 2ft./sec. wind in sun.

Usage & Installation

Primary ApplicationsGrounding Systems, Overhead Power Distribution, Ground Wire for Lightning Protection, Bonding Applications, Messenger and Support Wires
Common Uses
  • Used in both commercial and residential grounding systems
  • as well as for grounding utility equipment and substations.

Packaging & Dimensions:

Weight per Foot 0.3258 lb

Shipping and Returns

Shipping and Returns

General Shipping Information

In-stock orders placed before 3pm EST typically ship within 1-2 business days. Our business days are Monday through Friday; we do not process orders on Saturday, Sunday, or major US Holidays.

You will receive an e-mail with a tracking number within 1-2 business days from the time its shipped. You will also be able to view your order status and tracking numbers in your account order history.

Expedited Shipping

Expedited shipments are delivered Monday-Friday except on US Holidays. The order must be placed before 12pm CST to ship same day ( Mon-Fri Only).

Returns

You have 30 days from the day you receive the item to contact us for a return. Returns are subject to a 30% Restocking Fee.

Please contact us at help@wireamerica.com to request a return authorization. Have your order number or name the order was placed with ready and we will email you an RMA (return) number and instructions for return. Currently, we do not offer exchanges. A new order must be placed if you need a different item. If you provide the new order number at the time of your return request, the restocking fee may be lowered.

Orders on any items with a material value of $50 or less are non-returnable.

Video thumbnail
Stranded Bare Copper Wire

Wire America | Wire Flexibility Series

This video shows the conductor and flexibility of a 2 AWG Stranded Bare Copper Wire.

Physical Specifications

Wire Size (AWG/MCM) 1/0
Conductor Material Copper
Conductor Type Stranded
Strand Count 19
Outer Diameter (OD) (in/mm) 0.373 in.
Conductor Count 1
Shield Unshielded

Technical Specifications

Ampacity Rating 310
Direct Burial Rating Yes
Submersible No
Sunlight Resistance Rating Yes
Standards ASTM B-1 Hard-drawn copper wire
ASTM B-2 Medium-hard drawn copper wire
ASTM B-3 Soft or annealed copper wire
ASTM B-8 Concentric-lay stranded copper conductors: hard, medium-hard, or soft
ASTM B-33 Tinned soft or annealed copper wire
ASTM B-258
Federal Sepc QQ-W-365
Miscellaneous Information All values are nominal and subject to correction. *Ampacity based on 75ºC conductor temperature; 25ºC ambient temperature; 2ft./sec. wind in sun.

Usage & Installation:

Primary ApplicationsGrounding Systems, Overhead Power Distribution, Ground Wire for Lightning Protection, Bonding Applications, Messenger and Support Wires
Common Uses
  • Used in both commercial and residential grounding systems
  • as well as for grounding utility equipment and substations.

Packaging & Dimensions:

Weight per Foot 0.3258 lb

Have Questions?

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Call Us.

(833) 268-8644

Email Us

Yes. 1/0 bare copper is a standard choice for grounding electrode conductors (GEC) on large commercial services. It is specifically designed to handle the significant fault currents associated with high-amperage systems. Always verify your specific requirements against NEC Table 250.66.

1/0 is the next size larger than 1 AWG. In the American Wire Gauge system, "0" (aught) sizes are larger than "1." 1/0 copper has a higher ampacity and a larger cross-sectional area, making it better suited for higher-capacity grounding systems and larger service entrances.

Yes. 19-strand bare copper is perfectly suited for exothermic welding. The tighter strand configuration allows for a clean, consistent weld that is the standard for permanent utility grounding grids.

Electrically, they are similar, but 19-strand offers more total surface area. In grounding and lightning protection, more surface area is generally better for dissipating high-frequency surges. Additionally, its flexibility makes it less likely to develop stress points in high-vibration industrial environments.

Yes, our 1/0 stranded bare copper meets ASTM B-3 (soft/annealed) and ASTM B-8 (concentric-lay-stranded) standards. These are the benchmarks required by utility companies and industrial engineers to ensure the copper is of the highest purity and structural integrity.

Yes, our 1/0 19-strand copper is annealed (soft drawn) to maximize the natural flexibility of the 19-strand design, making it the most user-friendly 1/0 conductor for field installation.

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Call Us.

(833) 268-8644

Email Us