The one-piece design utilized in BONLE Insulators tie top line post insulator eliminates the need for suspension shells while providing maximum protection under severe flashover and mechanical impact. Designed for upright or angle mounting on a cross arm, a choice of stud assemblies are available for both wood and steel cross arms. All Line Post Insulators are manufactured by BONLE Insulators in strict compliance to ANSI standards.
The following line post insulators comply with the ANSI Standard. The glaze colors of the insulators are brown or light gray. The dimension of neck for 57-1, 57-2, 57-3 is in accordance with "F". The dimension of neck for 57-4, 57-5 is in accordance with "N".