The SIMpull THHN Copper Wire and Cable is built to readily provide 600-Volt of power for both commercial and industrial applications as specified in the National Electrical Code. It is primarily designed to be used in conduit and cable trays for services, feeders and branch circuits. Makes for a simple application as it does not require the application of a pulling lubricant for installation. The wire is sheltered by its PVC installation, thermoplastic installation and nylon sheath that make it heat, moisture, gasoline and oil resistant. Built with soft-drawn copper. Conveniently provides 600-Volt of power. Has thermoplastic insulation and a nylon sheath. Wire is protected by a durable heat and moisture-resistant PVC installation. Primarily used in conduit and cable trays for services, feeders and branch circuits. Heat Resistant, UV Resistant, Waterproof.