In distribution network design,the classification and function of insulators are crucial for ensuring the safe and reliable operation of the power system,Main Functions of Insulators: Provide electrical isolation to prevent current leakage and short circuits,Provide mechanical support to withstand tension and environmental forces,Resist pollution,high temperatures,and aging to ensure long-term reliability and safety,Types of Insulators: Material: Glass,porcelain,and composite,Structure: Disc,pin,suspension,and tension insulators,Use: Suspension,pin,and tower insulators,Voltage Level: Low,medium,and high-voltage insulators,