4 Barnacles Aluminum Conductor Triplex Overhead Service Drop Cable
The 4 Barnacles Aluminum Conductor Triplex Overhead Service Drop Cable is designed for reliable overhead electrical service connections in residential and light commercial utility distribution systems. The cable structure includes two insulated aluminum phase conductors twisted around a bare aluminum neutral messenger, providing stable electrical transmission and dependable mechanical support. Manufactured using high-quality aluminum and durable weather-resistant insulation compounds, the 4 Barnacles Aluminum Conductor Triplex Overhead Service Drop Cable offers low electrical resistance, strong corrosion resistance, and long service life in outdoor environments. Its optimized conductor construction allows efficient installation while maintaining adequate tensile strength for aerial applications. The cable is engineered to perform reliably under UV exposure, wind loading, and temperature variation. Comprehensive quality management systems and standardized testing procedures are implemented throughout production to ensure compliance with utility and industry standards and to deliver consistent, dependable performance in service.
Construction
Technical Specifications
Quality Control
Application
Construction
4 Barnacles Aluminum Conductor Triplex Overhead Service Drop Cable Constrution
Standard
• ASTM B-230 Aluminum Wire, 1350-H19 for Electrical Purposes.
• ASTM B-231 Aluminum Conductors, Concentric-Lay-Stranded.
• ASTM B-232 Aluminum Conductors, Concentric-Lay-Stranded, Coated Steel Reinforced (ACSR).
• ASTM B-399 Concentric-Lay-Stranded 6201-T81 Aluminum Alloy Conductors.
• ICEA S-76-474-Neutral-supported Power Cable Assemblies With Weather-Resistant Extruded Insulation Rated 600 Volts.
• ASTM B-231 Aluminum Conductors, Concentric-Lay-Stranded.
• ASTM B-232 Aluminum Conductors, Concentric-Lay-Stranded, Coated Steel Reinforced (ACSR).
• ASTM B-399 Concentric-Lay-Stranded 6201-T81 Aluminum Alloy Conductors.
• ICEA S-76-474-Neutral-supported Power Cable Assemblies With Weather-Resistant Extruded Insulation Rated 600 Volts.
Phase Conductor
Strand or Compressed 1350-H19 Series Aluminum Conductor.
Neutral (Messenger) Conductor
Bare AAAC messenger.
Insulation
Black Cross Linked Polyethylene (XLP) Insulation.
Key Features
1. Ideal for street lighting and temporary power setups
2. Rated for 600V overhead power distribution
3. UV, moisture, and abrasion resistant XLP insulation
4. Lightweight design for easier handling and stringing
5. AAAC messenger provides neutral support and mechanical strength
6. Compliant with ASTM and ICEA standards
2. Rated for 600V overhead power distribution
3. UV, moisture, and abrasion resistant XLP insulation
4. Lightweight design for easier handling and stringing
5. AAAC messenger provides neutral support and mechanical strength
6. Compliant with ASTM and ICEA standards
Application
4 Barnacles Triplex aluminum has three conductors, with one of them being for neutral path, and two electrodes. Primarily used for 120 volt overhead service applications such as street lighting, outdoor lighting, and temporary service for construction. To be used at voltages of 600 volts phase-to-phase or less and at conductor temperatures not to exceed 75°C for polyethylene insulated conductors or 90°C for cross linked polyethylene (XLP) insulated conductors. A bare messenger wire of this electrical cable is bonded closely on the two insulated aluminum conductors, which are individually insulated with black cross-linked polyethylene for protection.
Technical Specifications
4 Barnacles Aluminum Conductor Triplex Overhead Service Drop Cable
4 Barnacles Aluminum Conductor Triplex Overhead Service Drop Cable
| Rated voltage | V | 600 |
| Test voltage | Veff kV/Hz | 4/50 |
| Laying temperature | °C | min. -5 |
| Operating temperature | °C | -30 ~ +90 |
| Conductor temperature | °C | max. +90 |
| Short-circuit temperature | °C/s | max. +250 /5 |
| Bending radius (min.) | mm | 20 × Ø of cable |
Quality Control
4 Barnacles Aluminum Conductor Triplex Overhead Service Drop Cable
Raw Material Test
Raw Material Testing for the 4 Barnacles Aluminum Conductor Triplex Overhead Service Drop Cable begins with a systematic inspection of all incoming materials. Step one verifies aluminum rod chemical composition through spectrometric analysis to ensure compliance with conductivity and purity requirements. Step two performs tensile strength and elongation testing on aluminum rods to confirm mechanical durability and flexibility. Insulation raw materials are evaluated for density, melt flow index, tensile strength, thermal stability, and resistance to environmental aging. Step three includes moisture content measurement and detailed visual inspection to eliminate contamination and surface defects. Only materials meeting all electrical, mechanical, and physical specifications are released for production.
Process inspection
Process Inspection of the 4 Barnacles Aluminum Conductor Triplex Overhead Service Drop Cable is conducted at every critical stage of manufacturing. Step one monitors aluminum wire drawing to maintain precise conductor diameter and consistent surface quality. Step two inspects stranding geometry, lay length, and strand alignment to ensure uniformity and flexibility. During insulation extrusion, step three controls insulation thickness, concentricity, and adhesion using continuous online measurement systems. Spark testing is applied to identify insulation defects in real time. Step four verifies correct cabling of the insulated phase conductors around the neutral messenger, ensuring proper tension balance and structural stability. Routine sampling confirms electrical resistance and mechanical properties. This comprehensive Process Inspection ensures consistent production quality and reliable cable performance.
Finished Product
Finished Product Testing of the 4 Barnacles Aluminum Conductor Triplex Overhead Service Drop Cable validates final compliance with technical and safety requirements. Step one measures DC conductor resistance to confirm electrical efficiency. Step two performs tensile load and elongation testing on the completed cable assembly. Step three conducts insulation voltage withstand and continuity testing. Step four simulates environmental conditions such as heat cycling and UV exposure to assess long-term durability. Final dimensional verification and visual inspection are completed prior to packaging. Only fully qualified products are approved for shipment.
Application
The 4 Barnacles Aluminum Conductor Triplex Overhead Service Drop Cable is commonly used for overhead service drops supplying electrical power to residential buildings, small commercial facilities, and local utility distribution networks.
Technical Advantages
● 30+ years of manufacturing experience
● ISO and UL certified production
● Customized cable and transformer solutions
Product Packaging
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What are the advantages of power cables and overhead lines?(1) Reliable operation, because it is installed in a hidden place such as underground, it is less damaged by external forces, has less chance of failure, and the power supply is safe, and it will not cause harm to people; (2) The maintenance workload is small and frequent inspections are not required; (3) No need to erect towers; (4) Help improve power factor.
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Which aspects should be considered when choosing the cross section of a power cable?(1) The long-term allowable working current of the cable; (2) Thermal stability once short circuited; (3) The voltage drop on the line cannot exceed the allowable working range.
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What are the measures for cable fire prevention?(1) Use flame-retardant cables; (2) Use fireproof cable tray; (3) Use fireproof paint; (4) Fire partition walls and fire baffles are installed at cable tunnels, mezzanine exits, etc.; (5) Overhead cables should avoid oil pipelines and explosion-proof doors, otherwise local pipes or heat insulation and fire prevention measures should be taken.
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What should be paid attention to during the transportation and handling of cables?(1) During transportation, loading and unloading, cables and cable reels should not be damaged. It is strictly forbidden to push the cable reels directly from the vehicle. Generally, cables should not be transported and stored flat. (2) Before transporting or rolling the cable reel, ensure that the cable reel is firm, the cable is wound tightly, the oil pipe between the oil-filled cable and the pressure oil tank should be fixed without damage, the pressure oil tank should be firm, and the pressure indication should meet the requirements.
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