The 20507001 Southwire 3/0BK‑STR Black Single Building Wire, THHN 225Amp is a high‑capacity building wire engineered for dependable electrical performance in residential, commercial, and industrial installations. With its THHN insulation and 225 amp rating, this black 3/0 AWG wire delivers strong conductivity and long‑lasting reliability for power distribution needs.
Country of Origin
Varies by production batch
Key Features / Specifications
Ideal For
This robust 3/0 THHN wire gives you power capacity and versatility, whether you’re wiring a new structure or upgrading an existing system.