UL 1617 is a double insulated PVC wire designed for internal wiring applications that require enhanced insulation protection and stable electrical performance. It features a tinned copper conductor for reliable conductivity and corrosion resistance, with both PVC insulation and PVC jacket to improve durability, safety, and mechanical protection. Rated for 600V, this wire is suitable for household appliances, lighting equipment, electronic devices, and other electrical systems where secure, flexible, and dependable internal lead wire is required.