336.4 Nannynose Aluminum Conductor Triplex Overhead Service Drop Cable
Built for high-demand overhead applications, the 336.4 Nannynose Aluminum Conductor Triplex Overhead Service Drop Cable provides robust power transmission. It features three 336.4 MCM (19/w) 1350-H19 aluminum conductors: two black XLPE-insulated phases for superior dielectric and environmental protection, cabled around a bare 336.4 MCM (19/w) AAC neutral messenger for excellent tensile strength and sag control. Rated 600V with 90°C conductor temperature and ampacity up to 420A (XLPE), this cable complies with ASTM B-230/B-231 and ICEA S-76-474. Lightweight, corrosion-resistant, and cost-effective, the 336.4 Nannynose ensures dependable performance in large secondary distribution and service drop installations.
Construction
Technical Specifications
Quality Control
Application
Construction
336.4 Nannynose 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. Bare AAC messenger for lightweight, corrosion-resistant support
2. Designed for 120/240V single-phase overhead service drops
3. XLP insulation ensures high resistance to UV rays and weather
4. Meets or exceeds ASTM and ICEA standards
5. Optimized for long-term outdoor performance
2. Designed for 120/240V single-phase overhead service drops
3. XLP insulation ensures high resistance to UV rays and weather
4. Meets or exceeds ASTM and ICEA standards
5. Optimized for long-term outdoor performance
Application
336.4 Nannynose Aluminum Conductor Overhead Service Drop Cable 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
336.4 Nannynose Aluminum Conductor Triplex Overhead Service Drop Cable
336.4 Nannynose 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
336.4 Nannynose Aluminum Conductor Triplex Overhead Service Drop Cable
Raw Material Test
Raw Material Test for 336.4-336.4-336.4 Nannynose Triplex Aluminum Overhead Service Drop Cable prioritizes premium quality. Steps include: Certification Check: Confirm 1350-H19 aluminum and AAC components meet ASTM B-230/B-231 via supplier certificates. Material Properties Testing: Aluminum samples analyzed for purity, tensile, elongation, and conductivity (≥61% IACS).Dimensional Accuracy: Verify 336.4 MCM strand counts (19/w), diameters, and weights.XLPE Compound Assessment: Test pellets for physical/chemical properties, UV stabilizers, and weather resistance. Visual Surface Inspection: Check conductors for defects or contamination.
Process inspection
Process Inspection for 336.4-336.4-336.4 Nannynose Triplex Aluminum Overhead Service Drop Cable enforces consistency. The procedure features: Stranding Oversight: Ensure uniform 19-strand conductors. Extrusion Monitoring: Precise XLPE application with inline defect detection. Cable Assembly: Controlled twisting of phases around AAC neutral. Real-Time Quality Checks: Diameter, resistance, and integrity monitoring. Parameter Optimization: Extrusion adjustments for optimal insulation. Deviation Correction: Immediate re-testing and fixes. This guarantees the 336.4-336.4-336.4 Nannynose cable's high performance and reliability.
Finished Product
Finished Product Test validates the 336.4-336.4-336.4 Nannynose Triplex Aluminum Overhead Service Drop Cable for deployment. Steps include: Comprehensive Inspection: Visual, dimensional, and marking verification. Electrical Confirmation: Resistance, insulation, and withstand tests. Mechanical Assessment: Tensile, elongation, and load testing. Insulation Durability: Aging and environmental resistance checks. Ampacity Verification: Confirm ~420A rating per standards. Release Protocol: Full reports; only passing 336.4-336.4-336.4 Nannynose cables approved and packaged for dependable high-capacity overhead use.
Application
Suited for 336.4 Nannynose Aluminum Conductor Triplex Overhead Service Drop Cable in high-current overhead drops to commercial/industrial facilities, transformer-to-building feeds, extensive rural distribution networks, and secondary lines demanding high ampacity, durability, and reliable aerial support.
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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