Conductor material: copper, aluminum, copper clad aluminum Material of insulation and sheath: PVC Core diameter: 1*2C, 1*3C, 1MM*2C+E, 1.5MM*3C, 2.5MM*2C, 2.5MM*2C+E, 2.5MM*3C, 1.5MM*2C+E, 4MM*2C+E,4MM*3C, (flat cable)