ROYU THHN WIRE #12 (3.50mm^2) x 150m (Per Box) Thermoplastic High Heat Resistant Nylon Coated Wire (THHN) Features: 1. 100% Conductivity 2. 100% Lead-Free with Dual Insulation 3. Fire Retardant 4. Smooth Nylon for Easy Installation 5. 90 degrees C ampacity Kindly send us a message if you have any question/s. Thank you!