... pin suspension porcelain insulator 52-1/52-2/52-3/52-4/52-5 Features 1)Cap and pin type suspension insulator for high voltag ... ANSI standard4)Item no.:52-1, 52-2, 52-3, 52-4, 52-5, 52-6, 52-8, 52-95)Creepage distance: ... 117.8, 171, 209.5, 292, 279 ... to join us High volatage cap and pin type suspension porcelain insulator 52-1/52-2/52-3/52-4/52-5