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4 Periwinkle Aluminum Conductor Triplex Overhead Service Drop Cable
4 Periwinkle Aluminum Conductor Triplex Overhead Service Drop Cable

4 Periwinkle Aluminum Conductor Triplex Overhead Service Drop Cable

The 4-4-6 Periwinkle Aluminum Conductor Triplex Overhead Service Drop Cable is a cost-effective solution for overhead power delivery from utility poles to residential or light commercial weatherheads. It features concentric-lay-stranded 1350-H19 aluminum phase conductors (#4 AWG, 7-strand), black cross-linked polyethylene (XLPE) insulation for superior weather, UV, and thermal resistance, and a bare ACSR neutral messenger (#6 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 100 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 reliable performance in outdoor conditions, including wind, ice loading, moisture, and temperature fluctuations.
Construction
Technical Specifications
Quality Control
Application

Construction

4 Periwinkle Aluminum Conductor Triplex Overhead Service Drop Cable Constrution
4 Periwinkle Aluminum Conductor Triplex Overhead Service Drop Cable

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.

Phase Conductor

Strand or Compressed 1350-H19 Series Aluminum Conductor.

Neutral (Messenger) Conductor

Bare ACSR messenger.

Insulation

Black Cross Linked Polyethylene (XLP) Insulation.

Key Features

1. ACSR messenger for extra tensile strength in long-span installations
2. Suitable for 120/240V single-phase overhead service
3. XLP insulation for UV, moisture, and abrasion resistance
4. Ideal for residential, municipal, and temporary utility connections
5. Complies with major ASTM and ICEA industry standards

Application

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 Periwinkle Aluminum Conductor Triplex Overhead Service Drop Cable
4 Periwinkle 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 Periwinkle Aluminum Conductor Triplex Overhead Service Drop Cable
4 Periwinkle Aluminum Conductor Triplex Overhead Service Drop Cable Material Test

Raw Material Test

Raw materials for 4-4-6 Periwinkle Aluminum Conductor Triplex Overhead Service Drop Cable undergo a thorough incoming inspection. 1. Aluminum rods (1350-H19 grade) analyzed 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 tested for zinc coating thickness (Class A galvanization) and breaking strength per ASTM B-498 and B-232. 3. XLPE insulation compound checked for density, melt flow index, tensile strength (>8 MPa after aging), elongation (>200%), and carbon black content for UV protection per ASTM D-1248. 4. Visual and dimensional inspections detect surface defects or variations.

4 Periwinkle Aluminum Conductor Triplex Overhead Service Drop Cable Process inspection

Process inspection

In-line monitoring during the manufacturing of 4-4-6 Periwinkle Aluminum Conductor Triplex Overhead Service Drop Cable maintains quality. 1. Stranding: Concentric stranding of #4 AWG phase conductors (7 wires) and #6 AWG ACSR neutral, checked for uniform lay length, no birdcaging, and proper tension. 2. Extrusion: XLPE insulation applied under controlled temperature/speed; online gauges confirm 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 continuously for pinholes or faults. 5. Periodic sampling evaluates conductor resistance, insulation integrity, and visual surface quality. Deviations trigger immediate line stops, adjustments, and hold procedures per ISO standards.

4 Periwinkle Aluminum Conductor Triplex Overhead Service Drop Cable Finished Product

Finished Product

Final verification on completed 4-4-6 Periwinkle Aluminum Conductor Triplex Overhead Service Drop Cable includes: 1. Electrical: DC resistance per ASTM B-231 (max for #4/#6 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 confirmed (~100A at 90°C XLPE). 5. Visual/dimensional inspection verifies print legibility ("Periwinkle", size, voltage, standards), no abrasions, and proper flexibility/coiling. 6. Sample mechanical bend and impact tests confirm durability. Results documented in detailed test reports; only 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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Wires and Cables packaging (1)
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FAQ From Customers

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.
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.
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.
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.
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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