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15kV 3-Layer AAAC/ACSR/AAC Tree Wire
15kV 3-Layer AAAC/ACSR/AAC Tree Wire

15kV 3-Layer AAAC/ACSR/AAC Tree Wire - Triple Layer Covered Conductor

The 3-Layer 15kV AAAC/ACSR/AAC Tree Wire is a specialized covered overhead conductor developed for distribution lines in areas with dense vegetation. It uses concentrically stranded AAAC, ACSR, or AAC conductors protected by a triple-layer system of track-resistant HDPE or XLPE. The multi-layer covering delivers exceptional tracking resistance, abrasion protection, and weatherability while greatly reducing the risk of electrical faults from tree limb contact and helping minimize wildfire ignition potential. This advanced design allows closer spacing to vegetation and lowers vegetation management costs. Suitable for conventional overhead or spacer cable systems, the 3-Layer 15kV AAAC/ACSR/AAC Tree Wire offers a cost-effective solution for improving line reliability. It complies with ICEA and ASTM standards and undergoes extensive quality testing to ensure long-term performance and safety.
Standards ICEA S-121-733, ASTM B230/B231/B232/B398/B399
Voltage Rating 15 kV
Conductor AAAC, ACSR, or AAC (concentrically stranded)
Short-Circuit Tem 250°C
Operating Temp 90°C continuous
Emergency Temp 130°C
Construction
Technical Specifications
Quality Control
Application

Construction

15kV 3-Layer AAAC/ACSR/AAC Tree Wire Constrution
15kV 3-Layer AAAC/ACSR/AAC Tree Wire

Key Product Features

Triple-layer covering system for maximum tracking resistance
AAAC, ACSR, or AAC conductor options for optimal strength
Significantly reduced fault risk from vegetation contact
Lower maintenance and wildfire mitigation benefits
Compatible with spacer cable configurations

Covering

3-Layer HDPE or XLPE

Insulation Level

100% or 133%

Covering Thickness

Triple layer (225 mils total typical)

Configuration

Single covered conductor

Technical Specifications

15kV 3-Layer AAAC/ACSR/AAC Tree Wire - Triple Layer Covered Conductor
15kV 3-Layer ACSR Tree Wire Data Sheet
15kV 3-Layer AAAC Tree Wire Data Sheet
15kV 3-Layer AAAC Tree Wire Data Sheet
Size (AWG or kcmil) Stranding Conductor Diameter (mils) Covering Thickness (mils) Cable O.D. (mils) Rated Strength (lbs) Weight per 1000 ft.(lbs)
Conductor Shield Inner Layer Outer Layer
4 6/1 250 15 75 75 580 1767 151
2 6/1 316 15 75 75 646 2708 202
1/0 6/1 398 15 75 75 728 4161 278
2/0 6/1 447 15 75 75 777 5045 330
3/0 6/1 502 15 75 75 832 6289 393
4/0 6/1 563 15 75 75 893 7933 471
266.8 18/1 609 15 75 75 939 6536 474
266.8 26/7 642 15 75 75 972 10735 553
336.4 18/1 684 15 75 75 1014 8246 570
336.4 26/7 720 15 75 75 1050 13395 669
336.4 30/7 741 15 75 75 1071 16435 935
397.5 18/1 743 15 75 75 1073 9443 653
397.5 24/7 772 15 75 75 1102 13870 707
397.5 26/7 783 15 75 75 1113 15485 770
477 24/7 846 15 75 75 1176 16340 824
477 26/7 858 15 75 75 1188 18525 899
477 30/7 883 15 75 75 1213 22610 1274
556.5 18/1 879 20 75 75 1219 13015 874
556.5 24/7 914 20 75 75 1254 18810 949
556.5 26/7 927 20 75 75 1267 21470 1036
636 18/1 940 20 75 75 1280 14915 1200
636 26/7 990 20 75 75 1330 23940 1373
Size (kcmil) Equivalent AAC (AWG or kcmil) Stranding Conductor Diameter (mils) Covering Thickness (mils) Cable O.D. (mils) Rated Strength (lbs) Weight per 1000 ft.(lbs)
Conductor Shield Inner Layer Outer Layer
48.69 4 7 250 15 75 75 580 1584 137
77.47 2 7 316 15 75 75 646 2520 179
123.3 1/0 7 398 15 75 75 728 4014 241
155.4 2/0 7 447 15 75 75 777 4851 283
195.7 3/0 7 502 15 75 75 832 6111 334
246.9 4/0 7 563 15 75 75 893 7704 397
312.8 266.8 19 642 15 75 75 972 9900 473
394.5 336.4 19 720 15 75 75 1050 11970 568
465.4 397.5 19 783 15 75 75 1113 14040 649
559.5 477 19 858 15 75 75 1188 16920 755
652.4 556.5 19 927 20 75 75 1267 19710 894
740.8 636 37 990 20 75 75 1330 21960 963
Size (AWG or kcmil) Stranding Conductor Diameter (mils) Covering Thickness (mils) Cable O.D. (mils) Rated Strength (lbs) Weight per 1000  ft.(lbs)
Conductor Shield Inner Layer Outer Layer
1/0 7 336 15 75 75 666 1791 210
2/0 7 376 15 75 75 706 2259 246
3/0 7 423 15 75 75 753 2736 289
4/0 7 475 15 75 75 805 3447 343
266.8 19 537 15 75 75 867 4473 407
336.4 19 603 15 75 75 933 5535 487
397.5 19 659 15 75 75 989 6399 558
477 19 722 15 75 75 1052 7524 648
556.5 37 780 20 75 75 1120 8946 742
636 37 835 20 80 80 1195 10260 846
795 37 932 20 80 80 1292 12510 1020
 

Quality Control

15kV 3-Layer AAAC/ACSR/AAC Tree Wire - Triple Layer Covered Conductor
Raw Material Test

Raw Material Test

Raw Material Test for the 3-Layer 15kV AAAC/ACSR/AAC Tree Wire involves rigorous evaluation of conductor materials and covering compounds. Chemical analysis confirms aluminum purity and alloy composition (for AAAC/AAC) or steel/aluminum for ACSR. Mechanical properties such as tensile strength, elongation, and hardness are tested to meet ASTM requirements. HDPE or XLPE compounds undergo thermal stability, tracking resistance, dielectric strength, and weatherability testing. Detailed surface and dimensional inspections identify any potential defects before processing. Only fully compliant raw materials are released for stranding and triple-layer extrusion in the production of the 3-Layer 15kV AAAC/ACSR/AAC Tree Wire. This comprehensive raw material validation establishes the foundation for superior electrical performance, mechanical strength, and long-term reliability in multi-layer tree wire applications.

 

Process inspection

Process inspection

Process Inspection throughout manufacturing of the 3-Layer 15kV AAAC/ACSR/AAC Tree Wire focuses on precision and consistency. Conductor stranding is monitored to achieve exact dimensions with continuous quality checks. Triple tandem or sequential extrusion of the three covering layers ensures clean interfaces and uniform thickness. Concentric application of layers uses automated tension control for even coverage. Jacket parameters are strictly controlled for proper thickness and adhesion. Frequent in-line diameter measurements and visual inspections catch anomalies immediately. Environmental and process variables are logged to prevent contamination. Intermediate samples undergo partial discharge and mechanical spot testing. Any non-conformance prompts swift corrective measures. These detailed process controls protect the integrity and performance characteristics of the 3-Layer 15kV AAAC/ACSR/AAC Tree Wire, resulting in a uniform, high-quality covered tree wire.

 

Finished Product

Finished Product

 

Every completed reel of 3-Layer 15kV AAAC/ACSR/AAC Tree Wire passes comprehensive Finished Product testing. Dimensional inspections verify overall diameter, covering thickness, and conductor stranding. DC resistance, high-voltage AC, and partial discharge tests confirm compliance with ICEA and ASTM standards. Mechanical tests measure tensile strength and elongation properties. Tracking and weathering resistance tests are performed on covering samples. Full visual examination ensures a smooth, defect-free surface with uniform layers. All tests adhere strictly to applicable standards, with complete documentation and batch traceability maintained. Packaging and marking accuracy are inspected for accuracy. Only the 3-Layer 15kV AAAC/ACSR/AAC Tree Wire that meets every quality criterion receives final approval. This final assurance stage guarantees customers a premium triple-layer tree wire with proven dielectric strength, tracking resistance, and durability for reliable overhead distribution in vegetated areas.

Application

The 3-Layer 15kV AAAC/ACSR/AAC Tree Wire is perfect for overhead distribution lines in forested, suburban, or urban areas with heavy tree growth, spacer cable systems, and reconductoring projects where reduced tree trimming and improved reliability are required.

Technical Advantages

● 30+ years of manufacturing experience
● ISO and UL certified production
● Customized cable and transformer solutions

Product Packaging

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Wires and Cables packaging (1)
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Wires and Cables packaging (7)
Wires and Cables packaging (8)
Wires and Cables packaging (8)

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FAQ From Customers

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.
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.
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.
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.
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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