Ceramic Pole Top Pin Insulator Schematic

Galvanized per astm a 153.

Ceramic pole top pin insulator schematic.

There is a. There are several types of insulators in transmission lines but the most commonly used are pin type suspension type strain insulator and shackle insulator. Pole top insulator pin is 20 length and includes 1 3 8 semi conductive nylon insulator thread. Similar to their glass counterparts porcelain insulators date back to before the civil war for telegraph wires.

Post insulators are one piece solid or hollow core porcelain columns with multiple petticoats or skirts from top to bottom. Pin type insulators pin type insulators or pin insulators are popularly used in electric distribution systems up to 33 kv voltage level. There is a groove on the upper end of a pin insulator for housing the conductor. 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.

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. Vise top insulators are molded from a proprietary blend of gray track resistant high density polyethylene. 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.

Rus listed b pin pole top steel. They are secured on the cross arms of the pole to carry power lines. They are mounted directly on the pole or crossarm and bolted in place. Two 11 16 mounting holes are spaced 8.