Although 45KV Porcelain line post insulator is high quality, the 45KV Porcelain line post insulator tests must be done, give a convincing to the customers.

45KV Porcelain line post insulators are used for medium voltage and low voltage transmission lines, where insulators replace the cross-arm. However, the majority of Porcelain line post insulators are used in power substations where insulators support conductors, bus bars, and equipment.

Older Porcelain line post insulators are built somewhat similar to cap-and-pin insulators, but with hardware that permits stacking of the insulators to form a high-voltage unit. These units can be found in older stations.

Modern 45KV Porcelain line post insulators consist of a porcelain column, with weather skirts or corrugation on the outside surface to increase leakage distance.

For indoor use, the outer surface is corrugated. For outdoor use, a deeper weather shed is used. The end-fitting seals the inner part of the tube to prevent water penetration.

A 45KV Porcelain line post insulator is used at a substation. Equipment manufacturers use the large ceramic insulators to house capacitors, fiber-optic cables and electronics, current transformers, and operating mechanisms. In some cases, the insulator itself rotates and operates disconnect switches.
 

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