AL XHHW

600V Aluminum XLPE Building Wire

PRODUCT DESCRIPTION

AL XHHW is a 600V aluminum building wire designed for commercial, residential, industrial, utility, and infrastructure electrical installations. It features a stranded aluminum conductor with cross-linked polyethylene (XLPE) thermoset insulation, providing excellent electrical performance, thermal stability, moisture resistance, and long-term durability.

XHHW is designed for applications where higher thermal performance and wet-location capability are required compared with traditional dry-location XHH constructions. The insulation system provides a maximum conductor operating temperature of 90°C in dry locations and 75°C in wet locations.

The lightweight aluminum conductor offers reduced installation weight and cost compared with copper conductors while maintaining reliable current-carrying performance when properly sized and terminated.

APPLICATIONS

AL XHHW is suitable for:

• Commercial and residential electrical distribution

• Industrial power distribution systems

• Feeder and branch circuits

• Service entrance applications where permitted

• Motor and equipment power circuits

• Switchboards and panelboards

• Conduit and raceway installations

• Cable trays where permitted by applicable codes

• Indoor and outdoor installations

• Wet and dry locations

• Utility and infrastructure projects

• Power generation and distribution facilities

• Industrial plants and processing facilities

• Underground or exposed installations where permitted by the applicable installation method

STANDARDS & COMPLIANCE

Typical reference standards include:

• UL 44 – Thermoset-Insulated Wires and Cables

• ASTM B230/B230M – Aluminum Wire, 1350-H19

• ASTM B231/B231M – Concentric-Lay-Stranded Aluminum Conductors

• NFPA 70 / NEC – National Electrical Code

Final certification, markings, construction, and allowable installation methods depend on the specific product construction and target market requirements.

CONSTRUCTION

Conductor

• Material: Electrical-grade aluminum

• Typical alloy: Aluminum 1350

• Conductor type: Solid or stranded, depending on size

• Stranding: Concentric-lay stranded construction for applicable sizes

• Surface: Smooth and clean for reliable electrical termination

Insulation

• Material: Cross-linked polyethylene (XLPE)

• Insulation type: Thermoset

• Color: Black or other colors upon request

• Maximum operating temperature:

  • 90°C dry

  • 75°C wet

• Voltage rating: 600V

TECHNICAL DATA

TYPICAL AVAILABLE CONDUCTOR SIZES

Other conductor sizes, insulation colors, constructions, and packaging configurations are available upon request.

ELECTRICAL CHARACTERISTICS

AL XHHW is designed to provide:

• High electrical conductivity

• Stable insulation resistance

• Low dielectric loss

• Reliable current transmission

• Good resistance to moisture

• Excellent thermal stability

• Consistent electrical performance over long service periods

The aluminum conductor should be installed with terminals, lugs, connectors, and other accessories specifically approved for aluminum conductors.

THERMAL PERFORMANCE

Actual ampacity must be determined according to the applicable electrical code, installation method, conductor size, ambient temperature, number of current-carrying conductors, and termination temperature limitations.

MECHANICAL PERFORMANCE

The XLPE thermoset insulation provides:

• Good flexibility for installation

• Strong resistance to cracking

• Good abrasion resistance

• Excellent moisture resistance

• Good resistance to heat aging

• Stable dimensional performance

• Reliable performance under normal installation stresses

Stranded aluminum conductors are particularly suitable for larger conductor sizes where flexibility and reduced installation weight are important.

INSTALLATION

AL XHHW may be installed in:

• Conduit systems

• Raceways

• Electrical cabinets

• Switchboards

• Panelboards

• Cable trays where permitted

• Indoor electrical distribution systems

• Outdoor electrical distribution systems

• Wet locations

• Dry locations

Installation shall comply with the applicable electrical code and the permitted use of the specific cable construction.

For aluminum conductors, use only compatible aluminum-rated connectors and terminals. Proper conductor preparation, connector installation, and torque are essential for reliable long-term connections.

KEY FEATURES

• 600V voltage rating

• 90°C dry / 75°C wet temperature rating

• XLPE thermoset insulation

• Electrical-grade aluminum conductor

• Suitable for wet and dry locations

• Lightweight alternative to copper

• Excellent moisture resistance

• High thermal stability

• Suitable for commercial, industrial, and utility applications

• Available in a wide range of conductor sizes

PRODUCT ADVANTAGES

Lightweight Construction

Aluminum conductors significantly reduce cable weight compared with equivalent copper constructions, helping simplify transportation, handling, and installation.

XLPE Thermoset Insulation

XLPE provides excellent thermal stability, moisture resistance, and long-term insulation performance.

Wet and Dry Location Capability

The XHHW construction is suitable for both wet and dry locations when installed according to applicable code requirements.

Wide Application Range

The product can be used across commercial, industrial, utility, infrastructure, and building electrical distribution systems.

Cost-Efficient Conductive Solution

Aluminum provides an economical alternative to copper for many power distribution applications when properly sized and terminated.

QUALITY CONTROL

Typical production quality controls include:

• Conductor dimensional inspection

• Conductor resistance testing

• Insulation thickness measurement

• Insulation diameter inspection

• High-voltage electrical testing

• Spark testing

• Insulation physical property testing

• Conductor tensile testing

• Thermal aging evaluation

• Finished cable visual inspection

• Packaging and marking verification

Specific test requirements may vary according to the applicable standard and customer specification.

PACKAGING

Available packaging options may include:

• Wooden reels

• Plywood reels

• Non-returnable reels

• Returnable reels

• Coils for smaller sizes

• Custom-length reels

• Export seaworthy packaging

Reel dimensions, cable lengths, and packaging configurations can be customized according to project requirements.

CUSTOMIZATION

Available options may include:

• Conductor size

• Conductor stranding

• Insulation color

• Printing and marking

• Reel length

• Packaging configuration

• Customer-specific labeling

• Project-specific construction requirements

TECHNICAL SUPPORT

Technical documentation can be provided for project evaluation and procurement, including:

• Technical datasheets

• Product specifications

• Construction drawings

• Dimensional data

• Electrical performance data

• Test reports

• Packing specifications

• Custom technical documentation

FAQ

What is AL XHHW?

AL XHHW is an aluminum single-conductor building wire insulated with cross-linked polyethylene (XLPE) thermoset insulation and rated for 600V.

What is the temperature rating of XHHW?

Typical XHHW construction is rated 90°C in dry locations and 75°C in wet locations.

Is AL XHHW suitable for wet locations?

Yes. XHHW is designed for wet and dry locations when the specific construction is properly marked and installed according to applicable requirements.

What is the difference between XHH and XHHW?

XHH is generally intended for dry-location applications, while XHHW provides wet-location capability in addition to its dry-location rating.

What is the difference between XHHW and XHHW-2?

XHHW is typically rated 90°C dry / 75°C wet, while XHHW-2 is generally rated 90°C in both wet and dry locations.

Why use aluminum instead of copper?

Aluminum provides lower conductor weight and can offer a cost-effective solution for power distribution systems when properly sized and connected using approved aluminum-rated termination equipment.

Can AL XHHW be used outdoors?

Yes, where the specific construction and installation method are permitted by the applicable electrical code.

What conductor sizes are available?

A wide range of sizes from small building-wire sizes through large kcmil conductors can be produced. Custom sizes and constructions may also be available.

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AL XHHW 600V Aluminum XLPE Building Wire | 90°C Wet/Dry

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600V AL XHHW aluminum XLPE insulated building wire for wet and dry electrical installations