The 50-foot 12-stranded green building wire is a Type THHN wire, featuring a nylon jacket for enhanced durability and protection. Rated for 90°C and 600 volts, it is constructed with high-quality copper conductors, ensuring reliable electrical performance. The green insulation is typically used for grounding purposes, making it ideal for safety and compliance in various building applications. The wire is neatly wound on a plastic spool for convenient handling and storage.