... , ANSI, BS, JIS, AS,DIN standard 4. brown or grey Porcelain/ceramic insulator Pin type insulator, post type, Disk type and all ... kinds of ceramic insulators use on transformer, fuse cutout, surge arrester. Surface glaze ... , blue, brownAccording to IEC, GB, ANSI, BS, JIS, AS,DIN. Porcelain/ Ceramic Insulator 55-1-4