Building Wire, Type Thhn, Black, 3-strand, 500-ft.

Introducing the Southwire THHN Building Wire, a 500‑foot reel of robust black cable engineered for commercial and residential installations. This 3‑strand conductor features a durable nylon‑jacketed thermoplastic sheath that resists abrasion and moisture, while the copper cores deliver reliable conductivity. Designed for 600 V systems, it meets the demanding standards of modern electrical projects.

Why choose this wire? Its high‑temperature rating of 90 °C ensures safe performance in confined conduit spaces, and the flexible strand construction simplifies pulling through tight runs. Whether you are wiring a new build or upgrading an existing circuit, this wire provides the confidence of a trusted, code‑compliant solution.

• THHN‑rated 90 °C performance: Handles high‑heat environments without degradation, ideal for conduit applications.
• Three‑strand copper conductors: Offers superior flexibility and reduced voltage drop for efficient power delivery.
• Black nylon‑jacketed thermoplastic: Provides excellent protection against cuts, chemicals, and UV exposure.
• 600 V rating: Suitable for a wide range of residential, commercial, and industrial circuits.
• 500‑foot length: Ample supply for large projects, minimizing the need for multiple splices.

Experience dependable power distribution: Southwire’s reputation for quality ensures that each reel meets rigorous industry standards, giving electricians and DIY enthusiasts alike a reliable foundation for any wiring task. Choose this THHN building wire for its blend of durability, safety, and performance, and finish your projects with confidence.