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词汇 Pin insulator
分类 英语词汇 英语翻译词典
释义

Pin insulator

英语百科

Pin insulator

Insulator of a telephone transmission line
A sparkling CD145 or
The same snowy CREB 145 sitting on its side

A pin insulator consists of a nonconducting material such as porcelain, glass, plastic, polymer, or wood that is formed into a shape that will isolate a wire from a physical support (or "pin") on a telegraph, utility pole or other structure, providing a means to hold the insulator to the pin and secure the conductor to the insulator. Unlike a strain insulator, the pin insulator is directly connected to the supporting pole. Pin insulators were utilized before 1830, predating the strain insulator. Production of pin insulators is continued today by manufacturers worldwide.

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