12 AWG THHN Wire, 19-Stranded, 100% OFC Copper Electrical Building Wire with Nylon Jacket, Rated for Up to 600 Volts, for Indoor Outdoor Use, Commercial, Industrial, Residential, Black (100 ft)

THHN Wire, Heavy-Duty Performance You Can Trust

Oxygen-free copper conductor for efficient power transmission. Rated for 600VAC (230-460V), our THHN wire features PVC and nylon dual-layer insulation that withstands up to 2000V. With a temperature range from -13°F to 194°F (-25°C to 90°C), it ensures reliable performance even in harsh environments.

Crafted with oxygen-free copper (OFC) conductors, this THHN building wire reduces electrical resistance for efficient power transfer and lowers energy costs over time. The durable nylon jacket resists aging and wear, making it ideal for applications like garage heaters and cold storage lighting.

Rated for up to 600V AC, compatible with demanding 230V–460V equipment. The rugged PVC and nylon insulation provides enhanced protection against temperature shifts. This THHN copper building wire is ideal for workshop motors, outdoor gear, and cold storage power systems.

Made from soft PVC, this THHN electrical building wire bends effortlessly around corners and through conduits without cracking. It’s simple to cut and is suitable for all kinds of wiring jobs, big or small.

Available in 50 ft, 100 ft, and 175 ft pre-cut lengths to fit everything from small home renovations to large commercial builds. Color-coded options (white, black, red, green) make identifying hot, neutral, and ground lines a breeze. Cut down on connection errors and boost Job site security.