Copper Conductor Triplex Service Drop Cable 600V
The Copper Conductor Triplex Service Drop Cable 600V delivers exceptional performance for overhead power distribution from utility poles to service entrances. It features three stranded soft copper conductors: two phase conductors (common sizes 8 AWG to 2 AWG or larger) insulated with black cross-linked polyethylene (XLPE) for outstanding weather, UV, and moisture resistance, twisted around a bare copper neutral messenger for mechanical support and reduced sag. Rated 600V phase-to-phase with conductor temperatures up to 90°C (XLPE), it provides higher ampacity than aluminum equivalents (e.g., ~85–180A depending on size) due to superior conductivity. Compliant with ASTM B-1, B-3, B-8, and ICEA S-76-474 standards, the Copper Conductor Triplex Service Drop Cable offers excellent corrosion resistance, lower voltage drop, and long-term reliability in demanding aerial installations where premium conductivity is essential.
Construction
Technical Specifications
Quality Control
Application
Construction
Copper Conductor Triplex Service Drop Cable 600V Constrution
Specifications
Meets or exceeds the following ASTM specifications:
1. B-1 Hard-Drawn Copper Wire.
2. B-3 Soft or Annealed Copper Wire.
3. B-8 Concentric-Lay-Stranded Copper Conductors, Hard, Medium-Hard, or Soft.
Meets or exceeds all applicable requirements of ANSI/ICEA S-76-474 for polyethylene and cross-linked polyethylene insulated conductors.
1. B-1 Hard-Drawn Copper Wire.
2. B-3 Soft or Annealed Copper Wire.
3. B-8 Concentric-Lay-Stranded Copper Conductors, Hard, Medium-Hard, or Soft.
Meets or exceeds all applicable requirements of ANSI/ICEA S-76-474 for polyethylene and cross-linked polyethylene insulated conductors.
Conductor
Conductors are concentrically stranded compressed soft copper insulated with either cross-linked polyethylene or conventional polyethylene.
Neutral Messenger
Neutral messengers are either solid or concentrically stranded bare hard-drawn copper.
Insulation
Black Cross Linked Polyethylene (XLP) Insulation.
Notes
Code words for XLP insulated products are formed by adding "XLP" to the conventional polyethylene code words above (e.g., Theta/XLP).
Ampacity figures for black insulation only. Based on conductor temperature of 75 ºC for polyethylene insulated conductors, 90 ºC for XLP insulated conductors, ambient temperature of 40 ºC, and 2 ft./sec. wind in the sun.
Ampacity figures for black insulation only. Based on conductor temperature of 75 ºC for polyethylene insulated conductors, 90 ºC for XLP insulated conductors, ambient temperature of 40 ºC, and 2 ft./sec. wind in the sun.
Application
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. Also suitable for installations for street lighting, security lights, 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 ºC for polyethylene insulated conductors and 90 ºC for cross-linked polyethylene (XLP) insulated conductors.
Technical Specifications
Copper Conductor Triplex Service Drop Cable 600V
Copper Conductor Triplex Service Drop Cable 600V
| Rated voltage | V | 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
Copper Conductor Triplex Service Drop Cable 600V
Raw Material Test
Raw Material Test for Copper Conductor Triplex Service Drop Cable 600V ensures top-grade copper and insulation inputs. The rigorous process includes: Supplier Certificate Verification: Confirm soft/annealed copper wire meets ASTM B-3/B-8 for purity, conductivity, and stranding; bare neutral copper checked per ASTM B-1/B-3. Chemical & Electrical Analysis: Test copper samples for conductivity (≥100% IACS), tensile strength, and elongation using lab instruments to guarantee superior current-carrying capability. Dimensional Inspection: Measure wire diameters, strand counts (e.g., 7 or 19), and unit weights with precision tools to match exact specifications. Insulation Compound Testing: XLPE pellets evaluated for density, melt flow, tensile strength (>800 psi), elongation (>150%), and UV/carbon black content for enhanced weather resistance.
Process inspection
Process Inspection during manufacturing of Copper Conductor Triplex Service Drop Cable 600V maintains precision and quality. Key steps include: Conductor Stranding: Monitor concentric stranding of soft copper for uniform lay length, compactness, and no loose strands via online gauges. Insulation Extrusion: Apply black XLPE at controlled thickness (e.g., 45–60 mils); inline diameter scanners and spark testers detect voids, eccentricity, or defects. Triplex Assembly: Twist two insulated phases around the bare copper neutral under precise tension for balanced configuration and strong mechanical support.Real-Time Monitoring: Continuous checks on conductor resistance, insulation integrity, twisting pitch, and overall diameter. Extrusion Parameter Control: Adjust temperature, speed, and cooling to ensure proper cross-linking and avoid insulation imperfections.
Finished Product
Finished Product Test verifies the Copper Conductor Triplex Service Drop Cable 600V meets all standards before shipment. The comprehensive procedure includes: Visual & Dimensional Examination: Inspect full reel for surface quality, triplex lay uniformity, insulation consistency, markings, and measure diameter/weight per 1000 ft. Electrical Testing: Conductor DC resistance, insulation resistance (>1000 MΩ·km), and AC high-voltage withstand (e.g., 4–6kV/5 min) per ICEA to confirm dielectric strength. Mechanical Evaluation: Tensile strength, elongation, and breaking load tests on copper conductors and neutral per ASTM standards. Insulation Performance: XLPE samples tested for tensile, elongation, heat aging, thermal shock, and UV/weather resistance.Ampacity & Thermal Validation: Confirm ampacity ratings (based on 90°C XLPE, ambient 40°C) through calculations and sample thermal checks.
Application
The Copper Conductor Triplex Service Drop Cable 600V is ideal for overhead service drops to residential/commercial buildings, street lighting, temporary construction power, and municipal applications requiring high conductivity, low voltage drop, and superior corrosion resistance in exposed aerial environments.
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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