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What is pin insulator?

A pin insulator is a device that is designed to support some type of wire, such as telephone wire, from direct contact with whatever structure is used in the configuration of the wiring. Pin insulators are manufactured since the early years of the 19th century.

pin insulator

The application of pin insulator
The pin insulator is still in common use in any area where wires or cables are installed above ground with the use of utility poles made from porcelain or glass, such as porcelain pin insulator. The basic function of the insulator is to isolate the cable or wire from whatever structure is supporting the wiring while also helping to ensure the connection with whatever conductor is part of the network is secure.

During the 20th century, newer designs for the pin insulator called for using different types of plastics or polymers to form the ideal shape necessary to provide the proper connection with a conductor and isolate the wire from direct contact with the support system. 11kV and 33kV composite pin insulators are usually used kind of insulator for medium and low transmission and distribution lines.


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