This is a PVC-jacketed single-wire cable by Lapp Kabel, made of conductor material Tinned Copper and rated at 4G2,5mm2. ÖLFLEX® CLASSIC 100 CY is a reliable, flexible single wire designed for general purpose power and signal applications in the industrial, building automation, consumer electronics, and computer/industrial markets. This wire is highly flexible and resistant to abrasion, chemicals, and water. The product number is 00350173.