1/0 Leda Aluminum Conductor Triplex Overhead Service Drop Cable
The 1/0 Leda Triplex Service Drop Cable is a durable overhead cable for secondary power distribution to residential service entrances. Featuring two 1/0 AWG aluminum phase conductors and one neutral messenger (7-strand) insulated with XLPE or PE and assembled in triplex configuration, it provides 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 high UV, moisture, and abrasion protection. The self-supporting messenger reduces sag and simplifies installation over medium spans. The 1/0 Leda Triplex 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 two-phase service drops with neutral in urban, suburban, and rural areas requiring safe, cost-effective aerial connections from utility poles to homes.
Construction
Technical Specifications
Quality Control
Application
Construction
1/0 Leda 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. Optional constructions include a messenger of AAC or AAC
Insulation
Black Cross Linked Polyethylene (XLP) Insulation.
Application
1/0 Leda Triplex aluminum wire has three conductors, with one of them being for neutral path, and two electrodes. Used to supply 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 (XLPE) 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.
Typical Applications
1. Connecting pole-mounted transformers to buildings
2. Residential or commercial service drops
3. Suitable for aerial installations with 600V or less system voltage
4. Ideal for overhead outdoor use with high mechanical strength
2. Residential or commercial service drops
3. Suitable for aerial installations with 600V or less system voltage
4. Ideal for overhead outdoor use with high mechanical strength
Key Features
1. Voltage rating: 600 volts
2. Temperature rating: 75°C (PE), 90°C (XLP)
3. Conductors: 1350-H19 Aluminum, stranded or compressed
4. Bare AAAC messenger for neutral and support
5. Insulation: Black cross-linked polyethylene (XLP), UV and weather resistant
6. Lightweight yet durable for easy aerial installation
2. Temperature rating: 75°C (PE), 90°C (XLP)
3. Conductors: 1350-H19 Aluminum, stranded or compressed
4. Bare AAAC messenger for neutral and support
5. Insulation: Black cross-linked polyethylene (XLP), UV and weather resistant
6. Lightweight yet durable for easy aerial installation
Technical Specifications
1/0 Leda Aluminum Conductor Triplex Overhead Service Drop Cable
1/0 Leda 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
1/0 Leda Aluminum Conductor Triplex Overhead Service Drop Cable
Raw Material Test
Raw material testing for the 1/0 Leda Triplex Service Drop Cable begins with aluminum wire inspection for purity, conductivity, and elongation per ASTM standards. Phase and messenger strands are checked for diameter uniformity and surface quality. XLPE/PE insulation compounds undergo melt flow index, density, carbon black content (UV protection), and thermal aging tests via OIT and DSC analysis. Samples face contamination screening and environmental stress cracking. The step-by-step process: incoming batch verification, sampling protocol, chemical composition analysis via spectrometry, mechanical property testing (before/after aging), electrical resistivity measurement, and material approval decision. Only qualified materials proceed, ensuring the 1/0 Leda Triplex Service Drop Cable's conductor integrity, insulation durability, messenger strength.
Process inspection
The 1/0 Leda Triplex Service Drop Cable, process inspection ensures consistent quality. Conductor stranding is monitored for lay length, compactness, and defects using optical gauges. Insulation extrusion controls thickness uniformity and concentricity with online laser systems. Triplex assembly verifies twisting tension, phase symmetry, and messenger integration. Spark testing detects pinholes in real time. Dimensional accuracy, ovality, and phase identification are checked continuously. Key steps: material pre-drying confirmation, extrusion parameter logging (temperature, speed), intermediate wall thickness sampling, twisting tension monitoring, defect marking/removal, and post-process cooling control.
Finished Product
The finished 1/0 Leda Triplex Service Drop Cable undergoes thorough testing for compliance. Routine tests include conductor resistance, insulation thickness, messenger breaking strength, high voltage spark test, and overall tensile load. Mechanical tests cover elongation, bending, and impact resistance. Weathering via UV aging and heat distortion is assessed. The process steps: reel sampling, preparation with terminations, gradual load/voltage application, timed exposure to heat/UV, hold phase monitoring, post-test dimensional/electrical re-measurement, and visual inspection for defects. Additional checks include sag-tension verification, phase balance, and marking durability. Only cables passing all criteria are approved, confirming the 1/0 Leda Triplex Service Drop Cable's electrical safety, mechanical strength, weather endurance.
Application
1/0 Leda Triplex Service Drop Cable is widely used for overhead two-phase service drops with neutral to homes, small apartments, and temporary sites. Perfect for aerial connections from utility poles to service entrances requiring durable, weatherproof aluminum conductors up to 600V.
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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