4 Prawn Aluminum Conductor Triplex Overhead Service Drop Cable
The 4-4-4 Prawn Aluminum Conductor Triplex Overhead Service Drop Cable is a versatile solution for overhead power delivery from utility poles to residential or light commercial weatherheads. It features solid 1350-H19 aluminum phase conductors (#4 AWG), black cross-linked polyethylene (XLPE) insulation for excellent weather, UV, and thermal resistance, and a bare ACSR neutral messenger (#4 AWG, 6/1) providing mechanical strength and conductivity. Rated for 600 volts phase-to-phase at conductor temperatures up to 90°C (XLPE) or 75°C (Poly), it offers an allowable ampacity of approximately 115 amps (XLP). Compliant with ASTM B-230, B-231, B-232, B-399, and ICEA S-76-474 standards, this lightweight, flexible cable ensures easy installation and long-term reliability in outdoor conditions, including wind, ice loading, moisture, and temperature fluctuations.
Construction
Technical Specifications
Quality Control
Application
Construction
4 Prawn 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. AAAC messenger for corrosion resistance and strong mechanical support
2. Suitable for 120/240V single-phase overhead service applications
3. XLP insulation for UV, moisture, and abrasion resistance
4. Complies with ASTM and ICEA standards for reliability and safety
5. Designed for long-lasting outdoor performance
2. Suitable for 120/240V single-phase overhead service applications
3. XLP insulation for UV, moisture, and abrasion resistance
4. Complies with ASTM and ICEA standards for reliability and safety
5. Designed for long-lasting outdoor performance
Application
4 Prawn Triplex aluminum wire has three conductors, with one of them being for the 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 to the two insulated aluminum conductors, which are individually insulated with black cross-linked polyethylene for protection.
Technical Specifications
4 Prawn Aluminum Conductor Triplex Overhead Service Drop Cable
4 Prawn 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 Prawn Aluminum Conductor Triplex Overhead Service Drop Cable
Raw Material Test
Raw materials for 4-4-4 Prawn Aluminum Conductor Triplex Overhead Service Drop Cable undergo rigorous incoming inspection. 1. Aluminum rods (1350-H19 grade) tested via optical emission spectroscopy for ≥99.5% purity, impurities (Fe, Si ≤0.1%); conductivity (>61% IACS), tensile strength (>170 MPa), and elongation verified per ASTM B-233. 2. ACSR neutral messenger steel core wires checked for zinc coating thickness (Class A galvanization) and breaking strength per ASTM B-498 and B-232. 3. XLPE insulation compound evaluated for density, melt flow index, tensile strength (>8 MPa after aging), elongation (>200%), and carbon black content for UV stability per ASTM D-1248. 4. Visual and dimensional inspections detect surface defects or size variations. Supplier certificates of analysis are cross-verified with in-house lab results.
Process inspection
During the manufacturing of 4-4-4 Prawn Aluminum Conductor Triplex Overhead Service Drop Cable, continuous in-line monitoring ensures quality. 1. Conductor preparation: Solid #4 AWG phase conductors and #4 AWG ACSR neutral (6/1) checked for uniform dimensions and no defects. 2. Extrusion: XLPE insulation applied at controlled temperature/speed; online gauges verify nominal thickness (0.045 inches) and concentricity, free of voids. 3. Cabling/twisting: Two insulated phases twisted around bare neutral at precise lay for balanced triplex configuration without insulation damage. 4. High-voltage spark testing scans entire length for pinholes or faults. 5. Periodic sampling measures conductor resistance, insulation integrity, and visual surface quality. Deviations trigger immediate adjustments, hold procedures, and corrective actions per ISO standards.
Finished Product
Final testing on the completed 4-4-4 Prawn Aluminum Conductor Triplex Overhead Service Drop Cable confirms compliance. 1. Electrical: DC resistance per ASTM B-231 (max for #4 AWG); insulation resistance >1000 MΩ-km at 500V DC. 2. Voltage withstand: AC high-potential test at 3kV for 5 minutes, no breakdown. 3. Physical: Insulation thickness/eccentricity measured microscopically; tensile strength and elongation of conductors/insulation meet ASTM specs. 4. Ampacity validated (~115A at 90°C XLPE). 5. Visual/dimensional inspection ensures accurate printing ("Prawn", size, voltage, standards), no abrasions, and proper flexibility/coiling. 6. Sample mechanical bend and impact tests confirm durability. Results documented in test reports; compliant reels certified, labeled, and released.
Application
Primarily used for overhead service drops from pole-mounted transformers to building weatherheads in residential and light commercial settings. Ideal for single-phase 600V power supply in urban/rural areas, secondary distribution between poles, and durable connections in varied weather environments.
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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What inspections should be carried out for the acceptance of cable lines?(1) The cable specifications should meet the regulations, the arrangement should be neat, no damage, and the signs should be complete, correct and clear; (2) The fixed bending radius of the cable, the related distance and the wiring of the metal sheath of the single-core power cable should meet the requirements; (3) The cable terminal and the middle head should not leak oil, and the installation should be firm. The oil pressure of the oil-filled cable and the meter setting should meet the requirements; (4) Good grounding; (5) The color of the cable terminal is correct, and the metal parts such as the bracket are completely painted; (6) There should be no debris in the cable trench, tunnel, and bridge, and the cover should be complete.
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