Article | REF: D4423 V1

Overhead lines: equipment - Insulators

Author: Xavier DUCOURET

Publication date: February 10, 2004

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2. Main types

Two main types of insulator can be distinguished: rigid-type insulators and string elements.

2.1 Rigid type insulator

A rigid insulator (figure 1 ) is connected to the support by a fixed fitting. This insulator is mainly subjected to bending and compression forces when placed in a vertical position. In some cases, it can be placed horizontally, or even obliquely.

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Main types