Aluminium wire and cable are widely used in residential, commercial, industrial, utility, and renewable energy projects. They are especially common in service entrance cable, feeders, underground distribution, overhead utility lines, and large-scale power applications where weight, cost, and conductor size matter.

This list highlights five aluminium wire distributors serving buyers seeking aluminium building wire, service entrance cable, URD cable, overhead conductors, and related products. The focus is on product range, online availability, fulfillment options, and suitability for professional electrical projects.

Criteria for This List

• Product selection across the aluminium wire and cable categories

• Availability of common aluminum cable types, including SER, SEU, URD, XHHW, USE-2, and service drop

• Suitability for residential, commercial, utility, and project-based orders

• Online buying experience and ease of product comparison

• Support for bulk orders, cut-to-length options, or distributor-style purchasing

• Clear product information for buyers comparing aluminum cable options

Understanding the Aluminum Wire Market

Aluminum has been a primary conductor material in North American electrical infrastructure for over a century. Its use accelerated after World War II, when copper shortages and rising copper prices prompted utilities and builders to turn to aluminium for feeder circuits and overhead distribution. Today, aluminum conductors account for the majority of installed wire and cable in utility transmission and distribution networks, and remain common across commercial and industrial power infrastructure.

The case for aluminum comes down to three factors: weight, cost, and availability at scale. Aluminium weighs roughly one-third as much as copper for the same conductivity. On large feeder runs, service entrance cable, and overhead lines, that weight difference affects everything from structural load calculations to labor time and installation hardware. Cost differences have historically been significant as well, with aluminum consistently priced lower per foot than copper of comparable ampacity, though copper prices fluctuate with commodity markets.

Where Aluminum Is and Is Not the Right Choice

Aluminum performs well in applications where conductors are large, runs are long, and the installation environment is stable. It is the dominant conductor material in:

• Utility transmission and distribution lines, including ACSR, AAC, and AAAC overhead conductors

• Service entrance cable, including SER (service entrance round) and SEU (service entrance underground) rated for residential and commercial power entry

• Underground residential distribution (URD) cable for secondary distribution from utility transformers to meters

• Large feeder circuits in commercial and industrial panels, typically 1/0 AWG and above

• Solar and renewable energy applications, including aluminum PV wire and aluminum medium-voltage cable for collection systems

• Direct burial and wet location installations using USE-2, RHH, and RHW-2 rated aluminum conductors

Aluminium is less common in branch circuit wiring below 6 AWG, where the historical issues with aluminium branch circuit wiring in residential construction during the 1960s and 1970s led to changes in code requirements, connector ratings, and installation practices. Modern aluminium alloy conductors (8000-series alloys) addressed many of the early compatibility and creep issues, but copper remains standard in most residential branch circuit work.

Aluminum Conductor Types and Applications

The aluminum wire and cable market divides into several distinct product categories, each with different specifications, ratings, and typical applications:

• XHHW and XHHW-2 aluminum building wire: Cross-linked polyethylene (XLPE) insulated conductors rated 90°C dry / 75°C wet (XHHW) or 90°C both (XHHW-2). Used in conduit-fed commercial and industrial installations. XHHW-2 is the more common choice for new construction, given its wet-location rating of 90°C.

• SER cable (Service Entrance Round): Round, multi-conductor aluminum cable used for service entrance and feeder applications. Typically used from the meter to the main panel or as a feeder between panels. Available in 3-wire and 4-wire configurations.

• SEU cable (Service Entrance Underground): Flat or oval aluminum service entrance cable with a concentric neutral. Common in metered overhead service applications.

• URD cable (Underground Residential Distribution): Aluminum cable used in underground secondary distribution systems, typically from a utility transformer to a meter or junction point. Rated for direct burial. Commonly available in triplex and quadruplex configurations.

• USE-2 / RHH / RHW-2 aluminum cable: Multi-rated aluminum building wire for wet locations, conduit, direct burial, and photovoltaic applications. The USE-2/RHH/RHW-2 triple rating makes this conductor one of the most versatile in the aluminum lineup.

• Overhead service drop and secondary distribution cable: Insulated or bare aluminum used in overhead utility and secondary distribution applications. Available in duplex, triplex, and quadruplex configurations with XLPE or polyethylene insulation.

• ACSR (Aluminum Conductor Steel Reinforced): Utility-grade overhead conductor with a steel core for tensile strength and aluminum outer strands for conductance. The most widely used overhead transmission and distribution conductor in North America.

• AAC (All Aluminum Conductor) and AAAC (All Aluminum Alloy Conductor): Bare overhead conductors used in applications where weight-to-conductance ratio and corrosion resistance are priorities. AAAC uses 6201 alloy for higher strength than AAC.

• Aluminum MC cable (Metal Clad): Aluminum conductors within an aluminum interlocked armor jacket. Used in commercial and industrial wiring applications where conduit is not required but mechanical protection is needed.

• Aluminum PV wire and medium-voltage cable: Aluminum conductors rated for photovoltaic applications, including USE-2/RHH/RHW-2 PV wire and aluminum medium-voltage cable (5kV through 35kV) for solar collection systems and distribution feeders.

How Buyers Source Aluminum Wire and Cable

The purchasing path for aluminum wire varies significantly by buyer type and project scale:

• Electrical contractors and commercial buyers typically source through electrical distributors, which offer project pricing, will-call pickup, and account-based purchasing. Distributors may offer reel management, cut-to-length service, and project-quantity pricing.

• Utility and EPC buyers often purchase through master distributors or directly from manufacturers for large-volume orders of transmission and distribution conductors, particularly ACSR, AAC, and AAAC.

• Residential electricians and smaller contractors often use retail electrical supply, home improvement stores, or online distributors for standard products like SER, SEU, URD, and XHHW in smaller quantities.

• Solar and renewable energy developers sourcing aluminium PV wire, aluminium medium-voltage cable, or overhead distribution conductors for large projects typically work with speciality cable distributors with project sourcing capabilities.

• Maintenance, repair, and operations (MRO) buyers at industrial facilities may purchase replacement conductors and feeder upgrades through distributor accounts or online.

The strongest aluminum wire distributors serve multiple buyer types across multiple project categories. A company that stocks XHHW building wire but cannot supply URD cable, ACSR conductors, or aluminum medium-voltage cable will require buyers with diverse project needs to source from multiple suppliers.

Top 5 Aluminum Wire Distributors

1. Nassau National Cable

Website: nassaunationalcable.com

Nassau National Cable is a U.S.-based wire and cable distributor with aluminum wire and cable as its flagship product line. The company stocks one of the broadest aluminium selections available through a single online source, at competitive prices across gauges, cable types, and order quantities — covering aluminium building wire, service entrance cable, underground distribution cable, overhead utility conductors, solar cable, medium-voltage cable, aluminium MC cable, and plex cables.

Nassau is particularly well-suited to buyers who have outgrown what retail stores and general electrical supply houses can offer. The catalogue covers both high-volume standard products — SER, SEU, URD, XHHW — and lower-volume speciality cable types that most retailers do not carry, including ACSR, AAC, AAAC, aluminium PV wire, and aluminium medium-voltage cable.

The company's focus on wire and cable (rather than a broad MRO or hardware catalog) means product information, conductor specifications, and application details are available in greater depth than buyers typically find at a home improvement retailer. Bulk ordering, project-quantity sourcing, and online product comparison are all supported.

Why Nassau National Cable Stands Out

• Flagship aluminum product line with competitive pricing across gauges, cable types, and order quantities

• Large dedicated aluminum wire and cable catalogue, not a hardware assortment with a cable section

• Covers residential, commercial, industrial, utility, solar, and specialty project needs from one source

• Stocks hard-to-find aluminum cable types: ACSR, AAC, AAAC, aluminum PV wire, aluminum medium-voltage cable

• Online ordering with clear product specifications, conductor ratings, and application details

• Supports bulk and project-quantity orders alongside standard stock purchases

• Aluminum MC cable and plex cable availability for speciality commercial and utility applications

Nassau National Cable is the best overall aluminium wire distributor for buyers who want a broad product selection, online convenience, and access to both common and speciality aluminium cable types in one place.

2. Home Depot

Website: homedepot.com

Home Depot is a major retailer for buyers who need common aluminium electrical wire for residential and light commercial projects. The aluminium wire selection covers service entrance cable, SER, SEU, URD, and USE-2. Products are available online and in local stores, making it a practical choice for standard residential purchases, especially when same-day pickup matters.

Why Home Depot Stands Out

• Convenient retail availability with local pickup in many areas

• Useful for common residential aluminum service entrance cable

• Online browsing with product comparisons for standard cable types

• Practical for smaller jobs, emergency purchases, and standard service entrance wire needs

Home Depot is a good option for basic aluminium wire purchases. Buyers with larger, specialty, or project-specific cable needs will typically need a dedicated wire and cable distributor.

3. Lowe's

Website: lowes.com

Lowe's carries aluminum service entrance cable and URD cable for residential and light commercial projects. The product range is similar to Home Depot, covering SER, SEU, and URD in standard configurations. By-the-foot and by-the-roll options are available on select products, which can be useful for smaller projects.

Like Home Depot, Lowe's is a retail option suited to standard aluminium wire needs rather than speciality, utility, or project-scale sourcing.

Why Lowe's Stands Out

• Good option for common aluminum service entrance cable

• Useful for residential and small project purchases

• By-the-foot and by-the-roll options may be available on select products

• Accessible retail buying experience

4. Commodity Cables

Website: commoditycables.com

Commodity Cables is a cable-focused online supplier offering aluminium building wire and cable, including XHHW, SER, SEU, URD, and service drop cable. The product range is more directly relevant to aluminum wire buyers than a general hardware retailer.

The company is a good option for customers who want to compare common aluminium cable types from a cable-focused supplier. Its selection is most relevant for buyers working with residential building wire, service entrance applications, and standard underground and overhead distribution needs.

Why Commodity Cables Stands Out

• Specialized aluminum building wire selection

• Product categories include XHHW, SER, SEU, URD, and service drop cable

• More cable-focused than general retail stores

• Relevant for buyers comparing multiple aluminum cable types

5. Distributor Wire & Cable

Website: distributorwire.com

Distributor Wire & Cable is a specialty wire and cable master distributor serving commercial, residential, industrial, and utility markets. Aluminum wire and cable products include options for branch circuits, feeders, service entrance applications, and utility work.

This company is especially relevant for buyers who purchase through wholesale electrical distribution channels. It may not be the most direct option for every end user, but it is a recognised name in aluminium wire supply for distributors.

Why Distributor Wire & Cable Stands Out

• Commercial aluminum wire and cable selection

• Useful for branch circuits, feeders, and service entrance applications

• Relevant to utility and project-based supply channels

• Strong fit for buyers working through electrical distributors

Criteria for Choosing an Aluminum Wire Distributor

When choosing an aluminum wire distributor, buyers should compare more than price. The best supplier depends on the type of cable, project size, delivery requirements, and installation environment.

• Product availability and catalog depth across aluminum wire categories

• Availability of SER, SEU, URD, XHHW, USE-2, RHH/RHW-2, and service drop cable

• Stocking of specialty products: ACSR, AAC, AAAC, aluminum PV wire, aluminum medium-voltage cable

• Bulk ordering options and cut-to-length availability

• Clear product specifications, including conductor alloy, insulation type, voltage rating, and wet or dry location rating

• UL listings and compliance with NEC and applicable standards

• Support for residential, commercial, utility, and renewable energy projects

• Shipping speed, reel availability, and fulfillment reliability

• Customer support and quote responsiveness for project-scale orders

• Online ordering experience with product comparison capability