THHN/THWN CCA Conductor

Copperweld THHN/THWN is a cost-stable alternative for small circuit applications. Lightweight and flexible, it pulls easily through conduit, raceways, and trays over long runs and bends.

Installed to NEC requirements, Copperweld THHN/THWN offers more electrical efficiency than its alternatives, pointing to lower monthly utility costs, less voltage drop and smoother running equipment. Disincentivizing pilferage and theft, it offers thieves only a small fraction of the scrap value of single-metal copper.

Product overview:

• Cu-Clad Aluminum (CCA) Conductor — Drawn from a Copper-Clad Aluminum rod, with the copper metallurgically bonded to an AA 8000 series aluminum core, where oxygen-free copper forms a minimum of 10 percent of the cross-sectional area of a solid conductor or each strand of a stranded conductor.
• Application Standards — UL-83, UL-1581, ASTM B566-4
• Conductors — Solid or stranded annealed bimetallic conductor meeting ASTM B566 with an 8000-series aluminum core.
• Conductor Insulation — Color-coded Polyvinyl Chloride (PVC) compound meeting the required thickness of Type THHN/THWN or chooing with a heat-stabilized Nylon jacket rated for 90°C in dry locations.
• Applications:THHN/THWN building wire is for general purpose applications defined by the NEC. It is allowed for new construction or rewiring for 600-volt applications and is appropriate for use in dry locations in temperatures not to exceed 90°C and wet locations in temperatures not to exceed 75°C. For applications requiring Type MTW, the conductor is appropriate for use in dry locations at 90°C, or not to exceed 60°C in wet locations or where exposed to oils or coolants. For applications in ducts for residential, commercial, and industrial applications, the conductor is appropriate for use in fixed locations, dry locations, and damp locations.

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