4 Crab Aluminum Conductor Triplex Overhead Service Drop Cable Wire
4 Crab Triplex Aluminum Overhead Service Drop Cable is designed for reliable utility power delivery from pole-mounted transformers to the service entrance at residential, commercial, or light industrial sites. It consists of two insulated phase conductors and a bare AAC (All-Aluminum Conductor) messenger serving as both a neutral and mechanical support. Built for overhead single-phase service drops, it operates at voltages up to 600V and is insulated with black cross-linked polyethylene (XLP) for enhanced durability against UV, abrasion, and moisture. The 4 Crab's robust yet flexible structure prevents sagging and ensures stable performance over time. Utilities and contractors appreciate its cost-effectiveness and low-maintenance profile. Elevate your electrical infrastructure with this reliable cable that combines innovation and durability for uninterrupted power supply.
Construction
Technical Specifications
Quality Control
Application
Construction
4 Crab 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 corrosion resistance and lightweight strength
2. Suitable for 120/240V single-phase service drops
3. XLP insulation ensures UV, moisture, and abrasion resistance
4. Meets ASTM and ICEA standards for long-term reliability
5. Designed for overhead installation without conduit
2. Suitable for 120/240V single-phase service drops
3. XLP insulation ensures UV, moisture, and abrasion resistance
4. Meets ASTM and ICEA standards for long-term reliability
5. Designed for overhead installation without conduit
Application
Triplex aluminum wire has three conductors, with one of them being for the 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.
Technical Specifications
4 Crab Aluminum Conductor Triplex Overhead Service Drop Cable Wire
4 Crab 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 Crab Aluminum Conductor Triplex Overhead Service Drop Cable Wire
Raw Material Test
Raw Material Testing for the 4 Crab Aluminum Conductor Triplex Overhead Service Drop Cable Wire adheres to a rigorous sequence for quality assurance. Step 1: Supplier Documentation Audit – Aluminum billets are inspected with accompanying analyses confirming alloy purity. Step 2: Elemental Composition Testing – Inductively coupled plasma checks for balanced magnesium and copper traces, within 0.05% tolerances. Step 3: Physical Properties Evaluation – Compression tests measure yield strength at 12,000 psi minimum, alongside ductility assessments. Step 4: Polymer Insulation Analysis – Melt flow index and density tests verify XLPE suitability for extrusion. Step 5: Messenger Component Corrosion Trials – Galvanized steel or aluminum neutrals are salt-fog tested for 500 hours. Step 6: Metrology Checks – Laser micrometers ensure strand uniformity to exact 4 AWG dimensions.
Process inspection
During Process Inspection, the 4 Crab Aluminum Conductor Triplex Overhead Service Drop Cable Wire is monitored at every stage for precision. Step 1: Drawing Process Review – Wire reduction is checked for consistent diameter post-annealing. Step 2: Insulation Extrusion Oversight – Flow rates and die alignments are verified to achieve uniform coverage. Step 3: Curing Cycle Monitoring – Infrared sensors track vulcanization completeness. Step 4: Cabling Tension Control – Automated systems adjust for balanced triplex formation. Step 5: Non-Destructive Testing – X-ray imaging spots internal voids. Step 6: Identification Marking Validation – Adhesion tests ensure labels withstand handling. Step 7: Partial Electrical Probes – Voltage drops are measured in segments.
Finished Product
Finished Product Testing certifies the 4 Crab Aluminum Conductor Triplex Overhead Service Drop Cable Wire through targeted protocols. Step 1: Surface and Dimension Scans – Optical tools confirm overall integrity. Step 2: Strength and Load Tests – Dynamic loading simulates wind and ice effects. Step 3: Insulation Resistance – Megger tests at 500V ensure high values. Step 4: Environmental Chamber Exposures – Cycles of freeze-thaw and UV aging. Step 5: Handling Simulations – Coiling and uncoiling without damage. Step 6: Final Packaging Inspections – Weight and protection assessments. Step 7: Data Synthesis – Reports generated for certification. Step 8: Spot Audits – External experts review samples.
Application
Ideal for urban utility drops, rural home connections, and temporary event power. The 4 Crab Aluminum Conductor Triplex Overhead Service Drop Cable Wire handles aerial spans in windy or icy conditions, powering households, shops, and outdoor lighting reliably.
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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