4 Scallop Aluminum Conductor Triplex Overhead Service Drop Cable
The 4 Scallop Triplex Aluminum Overhead Service Drop Cable is engineered for reliable utility power delivery from pole-mounted transformers to service entrances in residential, commercial, and temporary construction setups. It consists of two insulated phase conductors and a bare AAC (All-Aluminum Conductor) messenger that functions as both a neutral and mechanical support. Optimized for overhead single-phase service drops, it operates at voltages up to 600V and uses black cross-linked polyethylene (XLP) insulation to ensure long-lasting resistance to UV rays, moisture, and abrasion. This triplex configuration ensures excellent mechanical strength, reduced sag, and UV/weather resistance. Rated for 600V phase-to-phase and conductor temperatures up to 90°C (XLPE), it offers ampacity of 115A. Compliant with ASTM B-230, B-231, and ICEA S-76-474 standards, the 4 Scallop cable provides lightweight, corrosion-resistant performance ideal for long-term reliability in demanding aerial installations.
Construction
Technical Specifications
Quality Control
Application
Construction
4 Scallop 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 AAC messenger.
Insulation
Black Cross Linked Polyethylene (XLP) Insulation.
Key Features
1. AAC messenger for lightweight strength and corrosion resistance
2. Suitable for 120/240V single-phase service drops
3. XLP insulation for UV, moisture, and abrasion resistance
4. Complies with ASTM and ICEA standards for reliability
5. Designed for overhead installation without conduit
2. Suitable for 120/240V single-phase service drops
3. XLP insulation for UV, moisture, and abrasion resistance
4. Complies with ASTM and ICEA standards for reliability
5. Designed for overhead installation without conduit
Application
4 Scallop 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 Scallop Aluminum Conductor Triplex Overhead Service Drop Cable
4 Scallop 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 Scallop Aluminum Conductor Triplex Overhead Service Drop Cable
Raw Material Test
Raw Material Test for 4 Scallop Aluminum Conductor Triplex Overhead Service Drop Cable ensures only premium inputs enter production. The rigorous testing process includes: 1. Incoming Inspection: All aluminum rods (1350-H19 grade) and ACSR messenger wires are verified against supplier certificates for chemical composition (purity >99.5% aluminum), tensile strength, and elongation per ASTM B-230. Visual checks detect surface defects like cracks or oxidation. 2. Dimensional Verification: Measure rod diameter and weight per unit length using calibrated micrometers and scales to confirm compliance with specifications. 3. Electrical Conductivity Test: Sample rods undergo conductivity testing (minimum 61.2% IACS) via resistance bridge to validate current-carrying capability.
Process inspection
Process Inspection during the manufacturing of 4 Scallop Aluminum Conductor Triplex Overhead Service Drop Cable maintains consistency and defect-free production. The step-by-step procedure includes: 1. Wire Drawing & Stranding: Monitor aluminum wire drawing for uniform diameter and surface finish. During concentric stranding, check lay length, strand alignment, and compactness using online gauges. 2. Insulation Extrusion: Extrude black XLPE over phase conductors with precise thickness (0.045 inches nominal). Inline monitors verify insulation concentricity, thickness uniformity, and absence of voids via spark testers and diameter scanners.3. Messenger Assembly: Twist the bare ACSR neutral messenger with insulated phases under controlled tension to form the triplex configuration. Inspect twisting pitch and bonding strength.
Finished Product
Finished Product Test confirms the 4 Scallop Aluminum Conductor Triplex Overhead Service Drop Cable meets all performance criteria before shipment. The comprehensive testing process includes:1. Visual & Dimensional Inspection: Examine entire cable length for surface defects, insulation uniformity, triplex lay consistency, and correct marking (e.g., size, voltage, standards). Measure overall diameter and weights per 1000ft. 2. Electrical Tests: Perform conductor resistance, insulation resistance (>1000 MΩ·km), and high-voltage withstand (AC 6kV for 5 minutes) per ICEA S-76-474 to verify dielectric strength. 3. Mechanical Tests: Tensile strength and elongation of conductors/messenger tested per ASTM B-230/B-232. Bending and crush resistance evaluated for handling durability.4. Insulation Property Tests: Check XLPE for tensile strength (>800 psi), elongation (>150%), heat aging, and UV resistance to ensure long-term weatherproofing.
Application
The 4 Scallop Aluminum Conductor Triplex Overhead Service Drop Cable is ideal for connecting utility poles to residential/commercial weather heads, secondary overhead distribution in rural/suburban areas, and single-phase power supply in overhead lines where reliable, weather-resistant performance is essential.
Technical Advantages
● 30+ years of manufacturing experience
● ISO and UL certified production
● Customized cable and transformer solutions
Product Packaging
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