Power porcelain bottles are typically made by bonding insulating components (such as porcelain pieces) with metal accessories (such as steel feet, iron caps, flanges, etc.) using adhesive or mechanical clips. Insulators are widely used in power systems, generally serving as external insulation, operating under atmospheric conditions. They are necessary to support the external live conductors of overhead transmission lines, generator and transformer stations' busbars, and various electrical equipment, ensuring they remain insulated from the ground (or grounding materials) or other conductors with differing potential differences.