Structure and Characteristics of Needle Insulators
2025-07-08
Structure: Needle insulators are usually composed of insulating components (such as ceramics or glass) and steel feet, which are bonded together with cement adhesive. The surface of porcelain parts is generally coated with a glaze layer to improve insulation performance.
Characteristics: Needle insulators have the advantages of simple manufacturing, low cost, and easy installation. It can withstand the tension and weight of wires, provide stable support, and effectively isolate current in high voltage environments to prevent leakage.
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Ceramic insulators are insulators made of ceramic materials such as alumina.
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