Ceramic Pole Top Pin Insulator Schematic

Similar to their glass counterparts porcelain insulators date back to before the civil war for telegraph wires.

Ceramic pole top pin insulator schematic. Vise top insulators are molded from a proprietary blend of gray track resistant high density polyethylene. Rus listed b pin pole top steel. There is a groove on the upper end of a pin insulator for housing the conductor. Galvanized per astm a 153.

There is a. Two 11 16 mounting holes are spaced 8. They are mounted directly on the pole or crossarm and bolted in place. Pin type insulators pin type insulators or pin insulators are popularly used in electric distribution systems up to 33 kv voltage level.

Manufactured per ansi c135 22. Their performance was superior to pin type insulators and by the 1960 s they found widespread use on power lines everywhere. As the name suggests the pin type insulator is secured to the cross arm on the pole. Pole top insulator pin is 20 length and includes 1 3 8 semi conductive nylon insulator thread.

In north america glass was always the predominate material for communications insulators but porcelain has become the standard for power distribution due to its greater strength and surface resistance. There are several types of insulators in transmission lines but the most commonly used are pin type suspension type strain insulator and shackle insulator. Hendrix vise top insulators are pin type insulators that incorporate a clamping mechanism into the top of the insulator to provide quick and easy conductor installation without the need for additional tie products. Post insulators are one piece solid or hollow core porcelain columns with multiple petticoats or skirts from top to bottom.