Disc Suspension Glass Insulator Standard:IEC,ANSI,BS,AS,DIN,CAN and ... gray,brown,white,sky blue and Disc Suspension Glass InsulatorA suspension insulator is an assembly of one or more shells ... supporting.In operation,it is always connected to insulator string.A suspension insulator set complete with the fittings is used ... by TCI or specified by the customers. Disc Suspension Toughened Glass Insulator