... IEC 2.Materials:Glass insulator 3.Main Diameter D:255mm H14mm 4.Professional manufactury Specification:1) Porcelain or glass insulators for low ... ,XHP-120,XHP-120C,XHP-125,XHP-125C,XHP-160,XHP-160C,XHP-210,XHP-210C,XHP-300,XHP ... -100,XWP-160b. Pin InsulatorHigh Voltage Lines Pin Type Insulator (ANSI): 56-1,56-2,56-3,56-4 ... ,56-5Pin Type Insulator for low & medium voltage lines (ANSI): 55-1 ...