Xhhw Xhhw-2 RW90 1AWG 10AWG 4 AWG Aluminum Cable Wire Price 600V Xlp

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2025-07-30 08:14:32

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Xhhw Xhhw-2 RW90 1AWG 10AWG 4 AWG Aluminum Cable Wire 600V XLPE

1. Introduction

The XHHW, XHHW-2, and RW90 aluminum cable series—available in 1AWG, 4AWG, and 10AWG—represent a versatile family of 600V Power Cables engineered for industrial, commercial, and renewable energy applications. These cables combine the cost efficiency of 1350-H19 aluminum (61% IACS conductivity) with the durability of cross-linked polyethylene (XLPE) insulation, creating solutions that balance performance and economy in 600V systems.

The product line offers tailored solutions for varying temperature demands: XHHW-2 and RW90 variants operate at 90°C (withstand -40°C to 90°C), while the standard XHHW is rated for 75°C. Their 7-strand conductor design ensures Flexibility for installation in conduit, cable trays, or direct burial, making them indispensable for projects ranging from factory wiring to solar farm interconnections.

This comprehensive guide explores the cables’ engineering details, from their stranded Aluminum Conductors to their UV-resistant XLPE insulation, highlighting how each feature contributes to their 25-year service life. We’ll examine their compliance with UL and ASTM standards, installation methodologies, and real-world applications, demonstrating why they have become the benchmark for reliable 600V power distribution in demanding environments.

2. Conductor Specifications: Gauge-Specific Performance

Each gauge in the series delivers tailored performance for specific applications:

1AWG Configuration: 7 strands of 3.2mm diameter 1350-H19 aluminum, providing:

150A continuous current (XHHW-2/RW90 at 90°C)

130A continuous current (XHHW at 75°C)

2,500N breaking force

1.8kg/m total weight (including insulation)

Ideal for main feeder circuits in industrial facilities and large commercial buildings.

4AWG Configuration: 7 strands of 2.5mm diameter 1350-H19 aluminum, offering:

85A continuous current (XHHW-2/RW90 at 90°C)

70A continuous current (XHHW at 75°C)

1,800N breaking force

1.1kg/m total weight

Suitable for subpanel feeds, motor circuits, and medium-sized HVAC systems.

10AWG Configuration: 7 strands of 1.6mm diameter 1350-H19 aluminum, delivering:

40A continuous current (XHHW-2/RW90 at 90°C)

30A continuous current (XHHW at 75°C)

1,200N breaking force

0.4kg/m total weight

Perfect for branch circuits, lighting systems, and small motor connections.

All conductors feature a concentric stranding pattern with 10× lay length (10 times conductor diameter), enhancing flexibility while maintaining structural integrity during installation and thermal cycling.

3. XLPE Insulation: Material Science for Durability

The cables’ cross-linked polyethylene insulation undergoes specialized treatment for 600V applications:

Molecular Structure: Peroxide cross-linking creates a three-dimensional polymer network that:

Eliminates "cold flow" (insulation creep) at elevated temperatures

Increases dielectric strength to 22kV/mm, 30% higher than PVC

Reduces water absorption to <0.02% by weight, critical for direct burial

Temperature Performance:

XHHW-2/RW90: -40°C to 90°C continuous operation

XHHW: 0°C to 75°C continuous operation

Both variants handle 130°C short-term overloads during fault conditions, providing a safety margin for transient events.

Environmental Resistance:

UV stabilization (2.0% carbon black) retains 90% tensile strength after 10,000 hours of sunlight

Chemical Resistance to oils, solvents, and industrial cleaning agents

Resistance to fungi growth in humid environments (meets ASTM G21)

Insulation Thickness:

1AWG: 1.5mm

4AWG: 1.2mm

10AWG: 1.0mm

Each meets or exceeds UL 44 requirements, providing extra protection against abrasion during installation and operation.

This insulation system ensures the cables can withstand 25 years of harsh conditions with minimal degradation, even in chemically aggressive industrial environments.

4. Electrical Performance: Reliable 600V Power Delivery

The cables’ electrical specifications are optimized for 600V systems:

Voltage Rating: 600V phase-to-phase, 347V phase-to-ground, suitable for:

Industrial control circuits

Commercial building distribution

Renewable energy systems (solar, wind)

Agricultural equipment wiring

Voltage Drop Characteristics:

10AWG: <3% at 40A over 30-meter runs

4AWG: <3% at 85A over 50-meter runs

1AWG: <3% at 150A over 70-meter runs

This ensures stable operation of sensitive equipment like:

Variable frequency drives

Programmable logic controllers

Solar inverters

Medical diagnostic equipment

Short-Circuit Rating: Withstands 10kA for 5 seconds (10AWG) to 25kA for 5 seconds (1AWG), providing ample time for protective devices to clear faults.

Impedance Values:

10AWG: 1.21Ω/km at 60Hz

4AWG: 0.39Ω/km at 60Hz

1AWG: 0.19Ω/km at 60Hz

These low impedance values minimize power loss and improve system efficiency.

These electrical properties make the cables suitable for both power distribution and control applications in 600V systems.

5. Mechanical Properties: Built for Installation Versatility

The cables’ mechanical characteristics ensure they can handle diverse installation methods:

Flexibility: 8× outer diameter minimum bend radius (72mm for 1AWG, 48mm for 4AWG, 32mm for 10AWG), enabling installation in:

Tight conduit bends

Compact Cable trays

Around equipment obstacles

Through wall penetrations

Tensile Strength: Strand construction allows safe pulling tensions:

1AWG: 875N (35% of breaking force)

4AWG: 630N (35% of breaking force)

10AWG: 420N (35% of breaking force)

This facilitates installation in long conduit runs without conductor damage.

Abrasion Resistance: Exceeds UL 44 requirements, withstanding 500 cycles of abrasion testing (1.5kg weight) without conductor exposure.

Crush Resistance: Withstands 20kN/m² pressure (equivalent to 2 tons per square meter) without performance degradation, ensuring survival under:

Heavy equipment in industrial settings

Concrete pouring in commercial construction

Soil compaction in direct burial applications

These mechanical properties ensure the cables can withstand the rigors of installation and operation in demanding environments.

6. Installation Flexibility: Multiple Application Methods

The cables’ design allows installation in diverse environments:

Conduit Installation: Compatible with all standard conduit types:

EMT (electrical metallic tubing)

PVC (schedule 40/80)

Rigid metal conduit

Intermediate metal conduit

Their smooth XLPE insulation reduces pulling friction by 30% compared to PVC-Insulated Cables.

Cable Tray Installation: Suitable for:

Ladder trays

Solid-bottom trays

Wire mesh trays

Channel raceways

Their flame-retardant properties (self-extinguishing within 30 seconds) meet NFPA 70 requirements for cable tray installations.

Direct Burial: RW90 variant is approved for direct burial with:

600mm minimum depth in non-traffic areas

900mm minimum depth in vehicle traffic areas

Protection against rock damage (requires sand bedding)

Outdoor Installation: RW90/XHHW-2 variants excel in outdoor applications:

UV resistance eliminates need for conduit in exposed runs

Temperature tolerance suits all climate zones

Water resistance prevents moisture ingress in wet locations

This installation versatility eliminates the need for multiple cable types on projects, simplifying material management and reducing inventory costs.

7. Standards Compliance: Industry Recognition

The cables meet rigorous industry standards:

UL 44: Underwriters Laboratories standard for XLPE-Insulated Cables

ASTM B230: Standard specification for aluminum Electrical Conductors

NFPA 70 (NEC): Recognized in Article 314 (Outlet Boxes), 334 (Nonmetallic-Sheathed Cable), and 344 (Armored Cable)

CSA C22.2 No. 198: Canadian standard for Insulated Conductors

IEC 60502-1: International standard for Power Cables up to 30kV

Compliance with these standards ensures the cables can be specified for projects throughout North America and globally, providing designers and installers with confidence in their performance and safety.

8. Applications: Versatility Across Industries

The cables excel in diverse 600V applications:

Industrial Facilities: Power distribution for:

Manufacturing plants (machine tools, conveyors)

Chemical processing (pump controls, agitators)

Food and beverage (washdown areas, packaging equipment)

Automotive production (robotic systems, welding equipment)

Commercial Buildings: Wiring for:

Office towers (HVAC, lighting, power distribution)

Retail centers (refrigeration, security systems)

Healthcare facilities (patient care areas, lab equipment)

Educational institutions (classroom power, lab wiring)

Renewable Energy: Critical for:

Solar farms (string inverter connections, combiner boxes)

Wind turbines (control circuits, auxiliary power)

Battery energy storage systems (DC interconnections)

Geothermal installations (pump controls)

Agricultural Applications: Withstand harsh farm environments for:

Irrigation systems (pump motors, controls)

Livestock facilities (ventilation, feeding equipment)

Greenhouses (climate control, lighting)

Grain handling systems (conveyors, elevators)

In each application, the cables deliver reliable performance with minimal maintenance requirements across their 25-year service life.

9. Cost Efficiency: Total Value Analysis

The cables offer exceptional value through their lifecycle:

Material Costs: 
2.50−
8.70 per foot depending on gauge, representing:

40-50% savings compared to equivalent Copper Cables

Lower shipping costs due to lighter weight (0.4-1.8kg/m vs. 1.1-4.9kg/m for copper)

Installation Savings:

Lighter weight reduces installer fatigue and speeds up pulling

Flexibility reduces the need for junction boxes in tight spaces

Compatibility with standard tools eliminates specialized equipment costs

These factors reduce installation labor by 15-20% compared to rigid conductors.

Lifecycle Costs: 25-year service life minimizes:

Replacement frequency (once vs. 2-3 times for 10-year cables)

Maintenance requirements (visual inspection only)

Downtime costs (estimated at 
300−
1,500/hour for industrial outages)

Energy Efficiency: 61% IACS conductivity ensures minimal power loss, saving approximately:

$120 annually for 10AWG circuits

$350 annually for 4AWG circuits

800annuallyfor1AWGcircuitsAt
0.12/kWh over 25 years, these savings represent a significant return on investment.

These cost advantages make the cables particularly valuable for large-scale projects where material and installation expenses constitute a substantial portion of the budget.

10. Environmental and Safety Benefits

Beyond performance, the cables deliver significant environmental and safety advantages:

Sustainability Features:

100% recyclable Aluminum Conductors (95% energy savings vs. primary production)

Lead-free XLPE insulation compliant with RoHS directives

Long service life reduces waste from replacements

Lower transportation energy requirements due to lighter weight

Safety Characteristics:

Flame-Retardant Insulation reduces fire spread risk

Low smoke emission during combustion improves evacuation conditions

High operating temperature rating provides safety margin

Insulation resistance >100MΩ at 1kV ensures minimal leakage current

Worker Protection:

No toxic fumes during normal operation

Easy to handle without specialized protective equipment

Color-coded insulation simplifies phase identification

Compatible with standard termination methods reducing installation errors

These benefits align with modern construction practices emphasizing sustainability, safety, and occupant well-being.

11. Sizing and Selection Guide

Choosing the right gauge ensures optimal performance:

10AWG Applications:

Branch circuits (lighting, receptacles)

Small motor connections (<1HP)

Control circuits

Low-power equipment

4AWG Applications:

Subpanel feeder circuits

Medium motor connections (1-5HP)

HVAC equipment (air handlers, rooftop units)

Commercial kitchen equipment

1AWG Applications:

Main service entrances (small buildings)

Large motor connections (5-25HP)

Solar inverter outputs

Industrial machinery main feeds

Temperature Consideration:

Choose XHHW-2/RW90 for ambient temperatures >30°C

Select RW90 for direct burial or outdoor exposure

Use standard XHHW for controlled indoor environments

This selection guide ensures optimal performance and cost efficiency for specific application requirements.

12. Conclusion

The XHHW, XHHW-2, and RW90 aluminum cable series (1AWG, 4AWG, 10AWG) represent the perfect fusion of performance, durability, and economy in 600V power distribution. By combining 1350-H19 aluminum conductors with XLPE insulation, these cables deliver reliable power in industrial, commercial, and renewable energy applications.

Their 7-strand design ensures flexibility for diverse installation methods, while their temperature ratings (-40°C to 90°C for XHHW-2/RW90) make them suitable for virtually any climate zone. Compliance with UL, ASTM, and IEC standards ensures they can be specified with confidence for projects worldwide.

As industries continue to seek cost-effective yet reliable electrical solutions, these cables stand ready to meet the challenges of modern 600V systems—proof that thoughtful engineering can create products that balance performance, safety, and economy across their 25-year service life.