NS75/NS90 Triplex Unjacketed Overhead Neutral Supported Cable
The NS75/NS90 Triplex Unjacketed Overhead Neutral Supported Cable provides efficient overhead power delivery for Canadian utilities. It consists of two compact 1350-H19 aluminum phase conductors insulated in black sunlight-resistant PE (NS75, 75°C) or XLPE (NS90, 90°C), twisted around a bare ACSR full neutral messenger for structural support and reduced sag. Rated 600V, with NS90 offering higher ampacity due to 90°C rating, it meets CSA C22.2 No. 129 and supports single-phase service drops or secondary distribution. The unjacketed triplex design is lightweight, easy to install, and resistant to weathering, abrasion, and chemicals. Compliant with relevant standards, the NS75/NS90 Triplex ensures cost-effective, durable performance in pole-to-building or pole-to-pole aerial setups.
Construction
Technical Specifications
Quality Control
Application
Construction
NS75/NS90 Triplex Unjacketed Overhead Neutral Supported Cable Constrution
Standard
NS75/NS90 cables meet or exceed the following standards:
1. CSA C22.C No. 129
2. CSA listed NS75 & NS90
3. Sunlight resistant
1. CSA C22.C No. 129
2. CSA listed NS75 & NS90
3. Sunlight resistant
Conductor
2, 3, or 4 Aluminum alloy 1350-H19 hard-drawn compact round conductors cabled around a neutral conductor
Neutral
Compact round ASCR neutral. For sizes 266.8kcmil and greater, ACSR neutral conductors shall be in concentric round stranding
Insulation
Abrasion, heat, and moisture-resistant cross-linked polyethylene (XLP) insulation rated 90°C/-40°C
Key Features
1. CSA certified for Canadian electrical installations
2. Available in NS75 (75°C) and NS90 (90°C) temperature ratings
3. Unjacketed design for lighter weight and easier installation
4. XLP insulation provides superior thermal, mechanical, and weather performance
5. ACSR neutral messenger offers excellent tensile strength for long spans
2. Available in NS75 (75°C) and NS90 (90°C) temperature ratings
3. Unjacketed design for lighter weight and easier installation
4. XLP insulation provides superior thermal, mechanical, and weather performance
5. ACSR neutral messenger offers excellent tensile strength for long spans
Application
Triplex NS75/NS90 Service Drop Cable is intended to deliver single-phase power from the secondary overhead power line or pole-mounted transformer to the service entrance conductors at the user’s building or other structure.
Technical Specifications
NS75/NS90 Triplex Unjacketed Overhead Neutral Supported Cable
NS75/NS90 Triplex Unjacketed Overhead Neutral Supported Cable
| Cable Construction | Phase 1 | Phase 2 | Phase 3 |
| Duplex | Black with print legend | - | - |
| Triplex | Black with print legend | Black with red stripes | - |
| Quadruplex | Black with print legend | Black with red stripes | Black with blue stripes |
Quality Control
NS75/NS90 Triplex Unjacketed Overhead Neutral Supported Cable
Raw Material Test
Raw Material Test for NS75/NS90 Triplex Neutral Supported Service Drop Cable prioritizes CSA compliance. Steps include: Supplier Verification: Aluminum 1350-H19 and ACSR certified to CSA/ASTM for composition and properties. Testing Properties: Conductivity (≥61% IACS), tensile, elongation on aluminum; ACSR coating/strength checks. Dimensional Accuracy: Confirm sizes, stranding, weights. Insulation Evaluation: PE/XLPE tested for physicals, UV/additives, resistance. Defect Check: Surface inspection of conductors. Batch Rejection: Non-compliant quarantined. Approved materials secure the NS75/NS90 Triplex Neutral Supported Service Drop Cable's quality and longevity.
Process inspection
Process Inspection for NS75/NS90 Triplex Neutral Supported Service Drop Cable upholds manufacturing standards. The procedure features: Stranding Control: Uniform aluminum phases. Extrusion Monitoring: Precise PE/XLPE application with sensors.Assembly: Phases cabled around ACSR neutral under tension.Ongoing Checks: Resistance, diameter, integrity.Optimization: Extrusion parameters adjusted. Correction: Immediate fixes. This ensures the NS75/NS90 Triplex Neutral Supported Service Drop Cable excels in support and performance.
Finished Product
Finished Product Test validates the NS75/NS90 Triplex Neutral Supported Service Drop Cable for Canadian use. Steps include: Inspection: Visual/dimensional/marking verification. Electrical: Resistance, insulation, withstand tests. Mechanical: Tensile/load on components. Insulation: Aging/environmental checks. Ampacity: Ratings confirmed per CE Code. Release: Passing NS75/NS90 Triplex Neutral Supported Service Drop Cable approved for dependable overhead neutral-supported service.
Application
Suited for NS75/NS90 Triplex Unjacketed Overhead Neutral Supported Cable in Canadian residential/commercial service entrances, pole-mounted transformer drops, secondary overhead distribution, and CEC-compliant installations requiring neutral-supported, weather-resistant cable for reliable 600V single-phase power.
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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