Copperweld® XHHW-2 Cable

Copper-Clad Aluminum (CCA) building wire for demanding electrical applications

Reliable performance in harsh environments

Copperweld XHHW-2 Cable helps teams manage cost, support reliable installation in challenging environments, and deliver efficient electrical performance in a wide range of electrical applications.

Across commercial, industrial, and utility projects, electrical systems must perform reliably in higher-temperature and more demanding environments while staying on schedule and within budget. Copperweld XHHW-2 Cable is designed to support these demands with a durable insulation system suitable for feeders and branch circuits in conduit and other standard wiring methods. Its bimetallic Copper-Clad Aluminum (CCA) construction helps reduce exposure to copper price volatility, minimize theft-related disruptions, and deliver efficient electrical performance when sized per NEC requirements, while supporting dependable performance in demanding installation environments.

Features and Benefits:

Cost Stability – Reduced copper content helps reduce exposure to copper price volatility, supporting more predictable project budgeting.
Efficient Electrical Performance – When sized per NEC requirements, Copperweld CCA provides lower resistance and improved efficiency compared to equivalently rated alternatives.
Improved Installation Workflow – Lightweight construction and flexible design make handling, routing, and pulling cable easier across complex layouts and long runs.
Reduced Theft Incentives – The lower scrap value of Copperweld CCA building wire helps reduce theft incentives compared to solid copper conductors, helping limit installation delays on active job sites.
Familiar Installation Practices – Installs and terminates similarly to traditional building wire, supporting fast adoption without changes to standard methods.
Code-Listed Construction – UL listed and compliant with applicable NEC requirements for use in a wide range of  applications.

Engineering Specifications

CCA SizeNo. of StrandsInsulation ThicknessOutside DiameterApprox. WeightMax. Ampacity*
milsinlb/1000 ft90° C
12 AWG7300.15213.625
10 AWG7300.17618.935
8 AWG7450.23632.645
6 AWG7450.27447.455
4 AWG7450.32269.175
2 AWG7450.382103100
1/0 AWG19550.483160135
2/0 AWG19550.529195150
3/0 AWG19550.580241175
4/0 AWG19550.638298205
250 MCM/kcmil37650.705355230
300 MCM/kcmil37650.760417260
350 MCM/kcmil37650.811482280
400 MCM/kcmil37650.858545305
500 MCM/kcmil37650.943673350
600 MCM/kcmil37801.051814385
*
Ampacity of conductors are based on the Copper-Clad Aluminum columns of NFPA 70 (NEC 2026) Table 310.16. See 110.14(C), 240.4(D) and 310.15(B) and (C) for other limitations where applicable.

Ordering Information

CCA Size (AWG)ColorStandard Packaging*Part Number**
12 AWGBlack500', 1000' or 2500'12XHHW2-7/0-CCA-BK-X2-FT-RL
10 AWGBlack500', 1000' or 2500'10XHHW2-7/0-CCA-BK-X2-FT-RL
8 AWGBlack500', 1000' or 2500'8XHHW2-7/0-CCA-BK-X2-FT-RL
6 AWGBlack500', 1000' or 2500'6XHHW2-7/0-CCA-BK-X2-FT-RL
4 AWGBlack500', 1000' or 2500'4XHHW2-7/0-CCA-BK-X2-FT-RL
2 AWGBlack500', 1000' or 2500'2XHHW2-7/0-CCA-BK-X2-FT-RL
1/0 AWGBlack500', 1000' or 2500'1/0XHHW2-19/0-CCA-BK-X2-FT-RL
2/0 AWGBlack500', 1000'2/0XHHW2-19/0-CCA-BK-X2-FT-RL
3/0 AWGBlack500', 1000'3/0XHHW2-19/0-CCA-BK-X2-FT-RL
4/0 AWGBlack500', 1000'4/0XHHW2-19/0-CCA-BK-X2-FT-RL
250 MCM/kcmilBlack500', 1000'250XHHW2-37/0-CCA-BK-X2-FT-RL
300 MCM/kcmilBlack500', 1000'300XHHW2-37/0-CCA-BK-X2-FT-RL
350 MCM/kcmilBlack500', 1000'350XHHW2-37/0-CCA-BK-X2-FT-RL
400 MCM/kcmilBlack500', 1000'400XHHW2-37/0-CCA-BK-X2-FT-RL
500 MCM/kcmilBlack500', 1000'500XHHW2-37/0-CCA-BK-X2-FT-RL
600 MCM/kcmilBlack500', 1000'600XHHW2-37/0-CCA-BK-X2-FT-RL
*
Packaging: Other packaging and denomination options are available on request.
**
Part Number Legend: [Size of Circuit Cond.][Type]-[# of Strands Circuit Cond. / Ground Cond.]-[Cond. Material]-[Color]-X2-[Length in Feet]-[Packaging]
Standard Packaging [Pkg]: Hand Coils [C], Plastic Spools or Wooden Reels [RL]

Construction

  • Conductors – UL recognized component (DVVV2); stranded annealed Copper-Clad Aluminum (CCA) bimetallic conductor meeting ASTM B566 with an 8000-series aluminum core
  • Insulation – Cross-linked Polyethylene (XLPE) insulation meeting the required thickness of Type XHHW-2

Identification and Applications

  • Identification: Copperweld® identifies its XHHW-2 cable for use with wiring devices, splice connectors and equipment terminals rated for CC, Cu, Cu/Al and CO/ALR. Copperweld® Copper-Clad Aluminum is not dissimilar metallurgically to copper, brass or zinc-plated steel. If splicing with twist-on splice connectors, pre-twisting is not required. Copperweld® XHHW-2 Cable is made with ASTM B-566 Copper-Clad Aluminum bare wire, which carries its own component listing, DVVV2, and is an NEC requirement.
  • Applications: Refer to Article 310 of the NEC.

Standards

  • UL 44
  • UL 1581
  • ASTM B566

Listings & Compliance

  • UL: E483554, E538020

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