Pin Insulator
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Pin Insulator
Electrical insulator
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Pin Insulator
The pin insulator is a type of low voltage insulators used in power transmission lines and distribution lines for 11 kV up to 33kV.
The insulator is supported on a pole top pin, and grip itself to the pin, hence the name pin insulator.
Pin insulators can be made of porcelain, ceramic, silicon rubber, polymer, etc. Pin insulator is usually placed on a telegraph, utility pole or tower, with cables and wires tied to the top of them. To protect the inner parts from the rain and keep them insulated, It is designed in the sharp of an umbrella or an upside-down bowl.
The pole top pin is usually made of galvanized steel, and it can hold the pin insulator in a vertical or horizontal position. It should be long enough to bear the high voltage and great tension on the conductor.
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