Premium Bare Conductors for Industrial Applications
Bare conductors are fundamental components in electrical power transmission and distribution systems. Our high-quality bare conductors meet international standards while offering superior conductivity and durability for various industrial applications.
Technical Specifications
- Material: High-purity aluminum/aluminum alloy/copper
- Conductivity: 61% IACS minimum for aluminum, 98% IACS minimum for copper
- Temperature Resistance: -40°C to +90°C continuous operation
- Tensile Strength: 160-300 MPa (depending on alloy composition)
- Surface Finish: Smooth, oxide-free surface for optimal performance
| Type |
Diameter (mm) |
DC Resistance (Ω/km) |
Current Rating (A) |
Weight (kg/km) |
| ACSR 26/7 |
6.00 - 40.00 |
0.169 - 0.117 |
170 - 1050 |
220 - 3800 |
| All Aluminum |
4.00 - 38.00 |
0.856 - 0.095 |
85 - 950 |
130 - 3100 |
| Copper |
3.00 - 32.00 |
0.725 - 0.067 |
150 - 1100 |
280 - 7100 |
Bare Conductor FAQ
Q: What are the main advantages of using bare conductors compared to insulated cables?
A: Bare conductors offer several key advantages: (1) Higher current carrying capacity due to better heat dissipation, (2) Lower cost per ampacity compared to insulated cables, (3) Reduced maintenance requirements in overhead applications, (4) Longer lifespan when properly installed in appropriate environments. However, bare conductors require proper spacing and support systems to prevent short circuits.
Q: How do I select the right bare conductor for my transmission line project?
A: Selecting the appropriate bare conductor involves considering these factors: (1) Required current carrying capacity based on load calculations, (2) Environmental conditions (wind, ice, temperature extremes), (3) Span lengths between support structures, (4) Voltage level of the transmission system, (5) System expansion plans. Our engineering team can help analyze your specific requirements and recommend the optimal conductor type and size.
Installation Guidelines
Proper installation is crucial for bare conductor performance and longevity:
- Use appropriate tensioning equipment to avoid over-stressing conductors
- Maintain minimum clearance distances as per local electrical codes
- Use compatible hardware (clamps, spacers, suspension units)
- Consider thermal expansion when determining sag parameters
- Inspect for damage during installation
Common Applications
- Overhead power transmission lines (33kV to 765kV)
- Distribution networks (11kV to 33kV)
- Substation bus conductors
- Railway electrification systems
- Industrial power distribution within facilities
Additional Bare Conductor FAQ
Q: What maintenance procedures are required for bare conductors?
A: Regular maintenance of bare conductors typically includes: (1) Visual inspections for corrosion, strand damage, or loose connections, (2) Thermographic surveys to identify hot spots, (3) Cleaning of insulators and hardware, (4) Monitoring of sag changes over time, (5) Vegetation management near overhead lines. The frequency of maintenance depends on environmental conditions and the criticality of the circuit.
Quality Standards
Our bare conductors comply with:
| ASTM B230/B231 |
Aluminum conductors |
| ASTM B8 |
Copper conductors |
| IEC 61089 |
International standards |
| BS 215 |
British specifications |
