Industrial-Grade MTW/THHN Cable
Product Overview
HUATONG UL 1063-certified 6AWG MTW/THHN cable delivers robust performance for industrial power distribution. Featuring 19-strand bare copper conductors, dual-layer PVC/nylon insulation, and VW-1 flame resistance, this 600V-rated cable operates at 90°C in dry environments with exceptional oil/gasoline resistance (Type II).
Key Applications
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Industrial machinery control wiring
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CNC equipment & automation systems
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Motor feeder circuits
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Manufacturing plant power distribution
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NEC-compliant cable tray installations (CT-rated for 1/0 AWG+)
Construction & Materials
| Component | Specification |
|---|---|
| Conductor | 19-strand bare annealed copper (ASTM B3/B8/B787) |
| Insulation | Color-coded PVC • Flame-retardant • Moisture-resistant |
| Outer Covering | Polyamide (Nylon) • Abrasion/oil resistant |
| Temperature | 90°C dry rating |
| Voltage | 600V AC |
Technical Specifications: 6AWG Model
| Parameter | Imperial | Metric |
|---|---|---|
| Stranding | 19x0.080" | 19x2.032mm |
| Insulation Thickness | 0.030 in | 0.76 mm |
| Nylon Thickness | 0.005 in | 0.13 mm |
| Overall Diameter | 0.26 in | 6.60 mm |
| Weight | 98 lbs/kft | 145 kg/km |
| Ampacity (75°C) | 65A | NEC Table 310.16 |
*Full AWG range available: 14-750 kcmil*
Certifications & Compliance
UL/CSA(C22.2 No.75-03) NEC(Article 310)
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Primary Standards: UL 83 • UL 1063 • NEMA WC70/ICEA S-95-658
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Safety Compliance: NFPA 70/79 • OSHA 29 CFR 1910
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Environmental: RoHS compliant • Gasoline/Oil Resistant II
Performance Features
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Mechanical Durability
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Nylon jacketing withstands 5,000+ flex cycles (ASTM D430)
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Abrasion resistance: >100 cycles (UL 719 scrape test)
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Chemical Resistance
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Passes UL 62 oil immersion test (7-day @ 121°C)
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Sunlight resistant (UV stability per UL 1581)
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Electrical Safety
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VW-1 flame rating (UL 2556 vertical tray test)
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100% spark-tested conductors
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Engineering Data Comparison
| AWG | Strands | OD (mm) | Weight (kg/km) | Max Ampacity |
|---|---|---|---|---|
| 14 | 19 | 2.79 | 24 | 20A |
| 10 | 19 | 4.32 | 58 | 30A |
| 6 | 19 | 6.60 | 145 | 65A |
| 2 | 19 | 9.91 | 357 | 100A |
| 1/0 | 19 | 13.21 | 695 | 125A |
Ampacity based on 75°C conductor rating per NFPA 79
Installation Guidelines
| Application | Bending Radius | Conduit Fill % | Torque (lb-in) |
|---|---|---|---|
| Machine Tools | 5x OD | 40% max | 25-30 |
| Cable Trays | 6x OD | N/A | N/A |
| Control Panels | 4x OD | 50% max | 15-20 |
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Sunlight Rating: Valid for 6AWG+ in all colors
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Oil Exposure: Limit to 60°C in wet locations
Color Coding & Identification
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Standard: Black, White, Red, Green, Blue, Yellow
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Custom: Orange, Brown, Purple, Grey, Pink, Tan (MOQ 2,000 ft)
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Phase Identification per NEC 200.6