The 50-foot 12-stranded white building wire is a Type THHN wire, featuring a durable nylon jacket for added protection and longevity. Rated for 90°C and capable of handling up to 600 volts, this wire is made from high-quality copper conductors, ensuring excellent conductivity and reliability. It is designed for use in various building applications and is housed on a plastic spool for easy handling and storage. Its white insulation provides clear identification and a clean appearance in any installation.