In industrial, commercial, and facility electrical systems, reliability under harsh conditions remains a critical concern. When facing oil exposure, chemical corrosion, high temperatures, or confined installation spaces, selecting wiring capable of withstanding extreme environments while ensuring long-term stability becomes paramount.
Exceptional Performance Under Challenging Conditions
The THHN/THWN-2 aluminum wire features high-purity aluminum conductors with superior conductivity. Its insulation layer utilizes heat-resistant and moisture-resistant PVC thermoplastic material, maintaining stable electrical performance even at continuous operating temperatures up to 90°C (194°F).
The nylon (polyamide) outer jacket provides exceptional mechanical strength and abrasion resistance, protecting against friction, scraping, and exposure to oils, greases, gasoline, paints, solvents, and other corrosive chemicals. Whether navigating narrow conduits or operating in contaminated areas, this wiring demonstrates remarkable adaptability and durability for secure power transmission.
Stringent Quality Standards: UL83 Certification
As an industrial-grade wiring solution, this aluminum THHN/THWN-2 wire strictly complies with UL83 standards established by Underwriters Laboratories. The certification process rigorously evaluates insulation performance, heat resistance, flame retardancy, and mechanical strength, providing assurance of international safety and performance benchmarks.
Precision Engineering: Structural Composition
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Conductor: High-quality aluminum wire, with multiple fine strands for optimal conductivity and flexibility depending on specifications.
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Insulation: Uniform PVC thermoplastic layer rated for 600V operation, maintaining stability at 90°C to prevent electrical faults.
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Protective Jacket: Durable nylon (polyamide) outer layer providing abrasion resistance, chemical protection, and mechanical damage prevention.
Technical Specifications
| Conductor Size (Metric) |
Conductor Size (AWG/MCM) |
Conductor Structure |
Insulation Thickness (MM) |
Nylon Thickness (MM) |
Approx. Diameter (MM) |
Min. Insulation Resistance (M-Ohm-km) |
Ampacity (90°C Wet/Dry) (A) |
Approx. Weight (KG/KM) |
| 2.0mm² |
14/7 |
7*0.6mm |
0.4 |
0.1 |
2.80 |
130 |
30 / 35 |
23.51 |
| 500mm² |
1000MCM |
61*3.2mm |
1.8 |
0.23 |
32.86 |
60 |
930 / 995 |
4750.91 |
Note: Parameters represent reference values based on NEC standards. Actual product specifications may vary slightly due to manufacturing processes.
Versatile Applications
This wiring solution serves diverse applications including:
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Industrial facilities for motors, lighting, and control systems in oil/chemical environments
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Commercial buildings supporting lighting, HVAC, and office equipment
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Public infrastructure including hospitals, schools, and transportation hubs
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Challenging installations requiring corrosion resistance or confined-space routing
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