3/0 Suffolk Aluminum Conductor Quadruplex Overhead Service Drop Cable
The 3/0 Suffolk Quadruplex Service Drop Cable is a robust overhead cable for three-phase secondary power distribution with neutral. Featuring three 3/0 AWG aluminum phase conductors and one neutral messenger (7-strand) insulated with XLPE or PE and assembled in quadruplex configuration, it offers excellent mechanical strength and weather resistance. Compliant with ASTM B-230, B-231, ICEA S-76-474, and ANSI/ICEA standards, this cable supports 600V applications with superior UV, moisture, and abrasion protection. The self-supporting messenger reduces sag and simplifies installation over medium spans. The 3/0 Suffolk Quadruplex Service Drop Cable ensures low power losses, high current capacity, and long service life in harsh outdoor conditions. Lightweight and flexible, it is widely used for three-phase service drops in residential subdivisions, commercial buildings, and rural areas requiring safe, cost-effective aerial connections from utility poles to service entrances.
Construction
Technical Specifications
Quality Control
Application
Construction
3/0 Suffolk Aluminum Conductor Quadruplex Overhead Service Drop Cable Construction
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 600Volts
• 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 600Volts
Phase Conductor
Strand or Compressed 1350-H19 Series Aluminum Conductor.
Neutral(Messenger )Conductor
Bare ACSR messenger. Optional constructions include a messenger of AAC or 6201 alloy.
Insulation
Black Cross Linked Polyethylene (XLP) Insulation.
Application
3/0 suffolk conductor quadruplex overhead service drop cable used to supply 3-phase power, usually from a pole mounted transformer, to the user's service head where connection to the service entrance cable is made. 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
Application Type
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Features
1. Suitable for overhead service drops in residential, commercial, or light industrial use
2. Rated for 600V or less, 3-phase systems
3. XLP insulation ensures heat and weather resistance
4. Built to meet ASTM B-230, B-231, B-232, B-399, and ICEA S-76-474 standards
5. Strong and reliable ACSR neutral messenger for mechanical support
6. Flexible construction options: AAC or 6201 alloy messengers available
2. Rated for 600V or less, 3-phase systems
3. XLP insulation ensures heat and weather resistance
4. Built to meet ASTM B-230, B-231, B-232, B-399, and ICEA S-76-474 standards
5. Strong and reliable ACSR neutral messenger for mechanical support
6. Flexible construction options: AAC or 6201 alloy messengers available
Technical Specifications
3/0 Suffolk Aluminum Conductor Quadruplex Overhead Service Drop Cable
3/0 Suffolk Aluminum Conductor Quadruplex Overhead Service Drop Cable
| Rated voltage | kV | 0.6/1 |
| 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
3/0 Suffolk Aluminum Conductor Quadruplex Overhead Service Drop Cable
Raw Material Test
For the 3/0 Suffolk Quadruplex Service Drop Cable, raw material testing starts with aluminum alloy certification for conductivity and ductility. Phase conductor strands undergo resistivity, tensile, and wrap tests. Messenger material (ACSR/aluminum) is checked for core strength and cladding adhesion. Insulation polymers are analyzed for carbon black dispersion (UV stabilization), melt index, and impurity levels via microscopy. Covering compounds face elongation and cracking pre-checks. The structured process: receipt inspection, random sampling, physical/mechanical testing (yield, elongation), chemical verification using spectroscopy, accelerated UV/thermal aging simulation, and material release decision. This ensures premium inputs, establishing the base for the 3/0 Suffolk Quadruplex Service Drop Cable's conductor reliability and messenger support strength.
Process inspection
Process inspection during 3/0 Suffolk Quadruplex Service Drop Cable production involves continuous monitoring. Phase conductor forming checks uniformity and surface quality. Insulation extrusion ensures void-free shields with real-time thickness gauges. Messenger preparation verifies integrity. Twisting assembly controls lay ratio, tension balance, and four-conductor symmetry. Critical steps: pre-extrusion compound dryness verification, parameter stabilization, capacitance-based eccentricity monitoring, gel fraction sampling, partial discharge intermediate checks, messenger coverage measurement, and defect removal protocols. This multi-stage assurance maintains the 3/0 Suffolk Quadruplex Service Drop Cable's precise geometry, reliable messenger support, uniform insulation, and ASTM/ICEA compliance throughout manufacturing.
Finished Product
Completed 3/0 Suffolk Quadruplex Service Drop Cable reels are subjected to strict tests. Mandatory routines: DC resistance, high-potential spark test, insulation thickness, messenger tensile strength, and total breaking load. Extended tests include switching impulse, long-duration voltage, heat cycling, and water tightness. The sequential process: sample conditioning, parameter application (voltage/heat), timed exposure monitoring, recovery inspection, property re-measurement, and documentation. Additional verifications ensure marking permanence and flexibility. Passing all confirms the 3/0 Suffolk Quadruplex Service Drop Cable's electrical integrity, mechanical endurance, weather resistance, and suitability for critical overhead quadruplex applications.
Application
Perfect for medium voltage distribution in high-risk venues like metro systems, theaters, hotels, data centers, and commercial complexes requiring enhanced fire retardancy and higher CPR ratings. Commonly installed indoors or underground for superior protection and low smoke emission in densely populated environments.
Technical Advantages
● 30+ years of manufacturing experience
● ISO and UL certified production
● Customized cable and transformer solutions
Product Packaging
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