... in producing this Line Post Insulator widely used on distribution line ,net work, transmission line and other power line . The insulator ... .Connected fitting type: tie top conductor binding type and clamp top with vertical or horizontal mounting. Cantilever ... 16KN. Main type: type: 57-1, 57-2, 57-3, 57-4, 57-5, 57-11, 57-12, 57 ... 57-35 According to ANSI C29.7 , IEC383 and BS137. 57-5 line post insulator