
High-Performance Bare Stranded Wire
Industry-leading conductivity and mechanical strength for power transmission and distribution infrastructure

Multi-Strand Excellence
Advanced stranding technology delivering optimal flexibility and current-carrying capacity for demanding applications

Engineered for Power Infrastructure
Superior tensile strength and thermal performance for overhead transmission lines and grounding systems

Bare Stranded Wire Solutions
Engineered for critical power infrastructure, JW Cable bare stranded wires deliver superior conductivity and flexibility. Our solutions are specifically designed for overhead lines and grounding systems where performance in demanding environments is essential.
Premium Construction for Optimal Performance
Pure Aluminum Strands
- Lightweight core material
- Excellent conductivity-to-weight ratio
- Optimal current carrying capacity
Aluminum Alloy Strands
- Enhanced mechanical strength
- Superior corrosion resistance
- Extended service life
Precision Engineering
- Multiple strand configurations (7 to 61 strands)
- Precise diameter control (±0.01mm)
- Optimized performance for every application
- Consistent quality across production
Popular Product Series

Copper Stranded Wire
Industry-standard product offering optimal conductivity and corrosion resistance, ideal for grounding applications and short-span installations.
Aluminum Alloy Stranded Wire
Perfect balance of strength and conductivity, suitable for medium to long-span overhead lines with excellent corrosion resistance.
Aluminum Stranded Wire
Cost-effective solution with excellent conductivity-to-weight ratio, suitable for standard overhead transmission lines.
Steel Core Aluminum Stranded Wire
Maximum tensile strength for long-span and heavy-load applications, combining steel's strength with aluminum's conductivity.
Core Advantages

Unmatched Conductivity
Pure copper bare stranded wire delivers 101% IACS conductivity, ensuring maximum current transmission with minimal energy loss.

Ultimate Flexibility
Multi-strand fine wire construction enables 360° bending without breakage, perfect for complex routing installations.

Superior Mechanical Toughness
Interlocking spiral design provides 620+ MPa tensile strength, resisting tension and compression forces.
Technical Specifications
| Parameters | Copper | Aluminum | Aluminum Alloy | ACSR |
|---|---|---|---|---|
| Conductivity | 97-101% IACS | 61% IACS | 52-61% IACS | 61% IACS (Aluminum Part) |
| Tensile Strength | 220-450 MPa | 60-160 MPa | 160-310 MPa | 310-620+ MPa |
| Thermal Expansion | 17 ppm/°C | 23 ppm/°C | 23 ppm/°C | 18 ppm/°C |
| Temperature Rating | -50°C to +150°C | -50°C to +90°C | -50°C to +90°C | -50°C to +150°C |
| Strand Options | 7, 19, 37, 61 | 7, 19, 37, 61 | 7, 19, 37 | 7/2, 18/1, 26/7, 45/7 |
| Diameter Range | 1.5-100mm | 1.5-150mm | 1.5-100mm | 6-40mm |
| Span Capability | Short to Medium | Medium to Long | Medium to Long | Long to Extra Long |
| Standards Compliance | ASTM B8, B787 | ASTM B231, B233 | ASTM B398, B399 | ASTM B232, B498 |
Industry Applications
Power Utility Networks
- Long-distance transmission lines
- Substation interconnections
Renewable Energy
- Solar farm transformer connections
- Wind turbine power systems
Industrial
- Heavy equipment grounding
- Lightning protection systems
Railway
- Electrified railway systems
- Overhead contact networks
Telecommunications
- Fiber optic cable support
- Messenger wire systems
Contact Us
Get in touch with our experts for detailed product information and custom solutions