The base of line post is cemented with the cap fitting, which is mounted on the crossarm of the pole with steel stud, another type is gain base type which can be mounted on the pole directly. The upper part can be the same porcelain type similar with pin insulators, or can be cemented with clamps.
Important parameter: (if you want to enquire, the following must be provided)
If you provide code number, such as pin insulator 57-1~57-5, 57-21~57-25, 57-31~57-35..., then only the code number is ok.
Hollow Bushing Insulator
Porcelain bushing insulators have the hollow core, which are used on outdoor transformers or through the walls. They provide insulation and support, such as GIS outlet porcelain bushings and transformer through-wall hollow bushings, etc.Learn More >
Line Post Insulator
In distribution lines, composite tie top line post insulators are the same as composite pin type insulators. The base fitting is the cap which assemble with the crossarm by steel studs. The head fitting can be steel type, or HDPE type, nylon type or silicone rubber covered types.Learn More >