Building Wire, 4 Stranded, Black, 500 Ft.

Presenting 500‑Foot Black 4‑Strand THHN Building Wire, a heavy‑duty copper cable engineered for demanding construction and renovation projects. The flexible four‑strand design wrapped in a durable nylon‑coated thermoplastic sheath resists abrasion and heat up to 90 °C, delivering reliable power distribution in residential, commercial, and industrial settings.

Why choose this building wire? Its high‑conductivity copper cores ensure minimal voltage drop, while the 600‑volt rating provides ample safety margin for most wiring applications. The black outer jacket blends discreetly with any environment and protects the conductors from moisture, chemicals, and mechanical wear, extending the lifespan of your electrical system.

• Four‑strand copper construction: Maximizes flexibility and ease of installation without compromising current‑carrying capacity.
• THHN compliance: Meets nationally recognized standards for heat‑resistant, nylon‑jacketed wiring, suitable for conduit and raceway use.
• 90 °C temperature rating: Handles elevated operating temperatures, ideal for high‑load circuits and tight spaces.
• 600 V voltage rating: Provides a wide safety envelope for lighting, outlet, and appliance circuits.
• Durable nylon‑thermoplastic jacket: Shields against abrasion, oil, and moisture, ensuring long‑term performance in harsh conditions.

Ready for any job site: Whether you are wiring a new home, upgrading a commercial facility, or tackling a DIY project, this 500‑foot roll offers ample length to complete large runs without frequent re‑spooling. The robust construction and industry‑standard specifications make it a trusted choice for electricians and contractors seeking dependable, high‑quality building wire.