
Type W Three-Conductor Round Portable Power Cable 2kV
Advanced Three-Phase Power Distribution | Balanced Round Construction | No Ground Conductor Design
Precision-engineered three-conductor round cable specifically designed for three-phase power distribution systems where separate grounding conductors are not required. Features balanced round geometry with reinforced CPE jacket technology, optimized for motor drives, industrial equipment, and three-phase temporary power installations demanding superior electrical balance and mechanical durability.
⚡ Three-Phase Power Distribution Applications & Systems
Three-Phase Motor Drives
Engineered specifically for three-phase AC motor applications including pumps, compressors, fans, and industrial drives. Balanced conductor arrangement ensures optimal power delivery with minimal phase imbalance and harmonic distortion.
Industrial Equipment Power Feeds
Perfect for feeding three-phase industrial machinery, CNC equipment, processing lines, and manufacturing systems. Round construction provides uniform impedance characteristics essential for balanced three-phase operation.
Temporary Three-Phase Distribution
Ideal for temporary power systems, construction site distribution, emergency backup generators, and portable three-phase power networks. Flexible design accommodates rapid deployment and reconfiguration.
Generator to Load Bank Connections
Optimized for connecting three-phase generators to load banks, transfer switches, and distribution panels. Superior electrical balance ensures proper load testing and power quality verification.
HVAC System Power Distribution
Designed for three-phase HVAC equipment including chillers, cooling towers, air handling units, and large ventilation systems. Reinforced jacket withstands environmental conditions in mechanical rooms.
Manufacturing Line Power Systems
Excellent for production equipment, assembly lines, robotic systems, and automated machinery requiring reliable three-phase power. Round geometry facilitates cable management in industrial environments.
📋 Industry Standards & Three-Phase Certification Framework
ICEA S-75-381
Insulated Cable Engineers Association standard for three-conductor portable power cables with round construction and balanced impedance requirements
NEMA WC 58
National Electrical Manufacturers Association specifications for three-phase portable power cables in industrial applications
ASTM B 172
American Society for Testing Materials standard for rope-lay-stranded copper conductors in three-conductor cable assemblies
ASTM B 33
Specifications for tinned copper wire conductors with enhanced conductivity for three-phase power transmission
CAN/CSA C22.2 No. 96
Canadian Standards Association requirements for three-conductor portable power cables in commercial and industrial three-phase systems
🏗️ Balanced Three-Conductor Round Cable Engineering
Precision Three-Phase Cable Architecture
Conductor Configuration: Triple stranded annealed tinned copper conductors in balanced triangular arrangement
Insulation System: Individual Ethylene Propylene Rubber (EPR) insulation for each phase conductor
Protective System: Reinforced heavy-duty/extra-heavy-duty Chlorinated Polyethylene (CPE) outer jacket
Electrical Balance: Precision manufacturing ensures equal impedance between all three phases
🌍 Global Three-Conductor Cable Classifications & Regional Standards
🇺🇸 United States (UL/NEC)
Designation: Type W Three-Conductor Round
Standard: UL 1581 / NEC Article 400
Application: Three-phase portable power equipment
🇨🇦 Canada (CSA)
Designation: RW90 Three-Phase Portable
Standard: CSA C22.2 No. 96
Rating: Three-conductor flexible power cable
🇪🇺 European Union (IEC)
Designation: H07RN8-F3G Round Three-Core
Standard: IEC 60245-4
Application: Three-phase industrial equipment
🇬🇧 United Kingdom (BS)
Designation: BS 7919 Three-Core Round
Standard: British Standard 7919
Usage: Three-phase construction and industrial
🇦🇺 Australia (AS/NZS)
Designation: V-90 Three-Core Flexible
Standard: AS/NZS 5000.2
Category: Three-phase portable power cable
🇮🇳 India (BIS)
Designation: IS 694 Three-Core Flexible
Standard: Bureau of Indian Standards
Application: Industrial three-phase systems
📊 Complete Three-Conductor Technical Specifications & Performance Metrics
| AWG/kcmil Size | Conductor Strands | Insulation Thickness | Jacket Thickness | Overall Diameter | Weight per Length | Three-Phase Ampacity |
|---|---|---|---|---|---|---|
| 3×8 | 133 | 0.060″ (1.5mm) | 0.125″ (3.2mm) | 0.91″ (23.1mm) | 550 lbs/kft (818 kg/km) | 59 A |
| 3×6 | 133 | 0.060″ (1.5mm) | 0.140″ (3.6mm) | 1.01″ (25.7mm) | 730 lbs/kft (1086 kg/km) | 79 A |
| 3×4 | 259 | 0.060″ (1.5mm) | 0.155″ (3.9mm) | 1.17″ (29.7mm) | 1020 lbs/kft (1518 kg/km) | 104 A |
| 3×2 | 259 | 0.060″ (1.5mm) | 0.155″ (3.9mm) | 1.34″ (34.0mm) | 1430 lbs/kft (2128 kg/km) | 138 A |
| 3×1 | 259 | 0.080″ (2.0mm) | 0.170″ (4.3mm) | 1.51″ (38.4mm) | 1800 lbs/kft (2678 kg/km) | 161 A |
| 3×1/0 | 266 | 0.080″ (2.0mm) | 0.170″ (4.3mm) | 1.65″ (41.9mm) | 2140 lbs/kft (3184 kg/km) | 186 A |
| 3×2/0 | 342 | 0.080″ (2.0mm) | 0.190″ (4.8mm) | 1.75″ (44.5mm) | 2580 lbs/kft (3839 kg/km) | 215 A |
| 3×3/0 | 418 | 0.080″ (2.0mm) | 0.190″ (4.8mm) | 1.89″ (48.0mm) | 2922 lbs/kft (4347 kg/km) | 249 A |
| 3×4/0 | 532 | 0.080″ (2.0mm) | 0.205″ (5.2mm) | 2.04″ (51.8mm) | 3800 lbs/kft (5654 kg/km) | 287 A |
| 3×250 | 741 | 0.095″ (2.4mm) | 0.220″ (5.6mm) | 2.39″ (60.7mm) | 4368 lbs/kft (6500 kg/km) | 320 A |
| 3×350 | 888 | 0.095″ (2.4mm) | 0.235″ (6.0mm) | 2.66″ (67.5mm) | 5895 lbs/kft (8772 kg/km) | 394 A |
| 3×500 | 1221 | 0.095″ (2.4mm) | 0.250″ (6.4mm) | 2.98″ (75.8mm) | 7820 lbs/kft (11638 kg/km) | 487 A |
Three-phase ampacity ratings calculated for conductor temperature of 90°C and ambient air temperature of 40°C per ICEA S-75-381 standards for balanced three-conductor cable assemblies
⚖️ Three-Phase Power Categories & Application Performance Analysis
Light Three-Phase Series (8 AWG – 4 AWG)
Current Range: 59A – 104A per phase
Optimal Applications: Small three-phase motors, ventilation equipment, lighting panels
Balance Benefits: Precision impedance matching for sensitive equipment
Installation Advantage: Compact round design for crowded electrical spaces
Medium Three-Phase Series (2 AWG – 1/0 AWG)
Current Range: 138A – 186A per phase
Optimal Applications: Mid-size motors, HVAC equipment, processing machinery
Balance Benefits: Superior phase balance for motor efficiency optimization
Installation Advantage: Enhanced jacket protection for industrial environments
Heavy Three-Phase Series (2/0 AWG – 4/0 AWG)
Current Range: 215A – 287A per phase
Optimal Applications: Large motors, main three-phase feeds, distribution panels
Balance Benefits: Heavy-duty construction maintains phase integrity
Installation Advantage: Extra-heavy-duty jacket for severe duty applications
Ultra Heavy-Duty Series (250 kcmil – 500 kcmil)
Current Range: 320A – 487A per phase
Optimal Applications: Service entrances, main distribution, large industrial loads
Balance Benefits: Maximum power density with precision phase matching
Installation Advantage: Ultimate three-phase portable power capability
🔬 Three-Phase Electrical & Environmental Performance Characteristics
Thermal Performance Parameters
Maximum Operating Temperature: +90°C continuous per phase
Environmental Range: -40°C to +40°C ambient operation
Phase Balance: <1% impedance variation between phases
Mechanical Durability Specifications
Minimum Bend Radius: 6 × Overall Cable Diameter
Flex Life Rating: >1,000,000 cycles at rated radius
Tensile Strength: >1200 lbs axial pull resistance
Environmental Protection Features
Chemical Resistance: Excellent resistance to industrial chemicals
UV Stabilization: Black CPE with advanced UV inhibitors
Water Resistance: IPX8 submersion protection rating
Electrical Performance Standards
Voltage Rating: 2000V AC/DC per phase to ground
Insulation Resistance: >2500 MΩ-km at 20°C per phase
Dielectric Test: 9500V AC withstand voltage test
🎯 Advanced Engineering Options & Three-Phase Customization
Feichun Engineering Cables provides specialized three-phase power cable customization for demanding applications:
- Phase Color Coding: Custom conductor insulation colors for phase identification (Black-Red-Blue, Brown-Orange-Yellow, or custom schemes)
- Enhanced Jacket Materials: CSP (Chlorosulfonated Polyethylene), PCP (Polychloroprene), NBR (Nitrile Butadiene Rubber), PVC compounds for specific environments
- Dual-Layer Jacket Systems: Reinforcing aramid fiber interlayer for maximum mechanical protection in harsh three-phase applications
- Precision Impedance Matching: Custom conductor configurations to achieve exact impedance requirements for sensitive three-phase equipment
- Extended Production Lengths: Continuous manufacturing up to 15,000 feet to eliminate splice points in long three-phase runs
- Advanced Testing Protocols: Phase sequence verification, harmonic distortion analysis, thermal cycling, accelerated aging tests
- Special Marking Systems: Sequential footage markers, phase identification, voltage ratings, custom printing for asset management


