What is a Glass Insulator?Suspension Insulator DefinitionSuspension insulators are generally made of insulating parts (such as porcelain parts, glass parts) and metal accessories (such as steel feet, iron caps, flanges, etc.) glued with adhesive or mechanical clamp. Insulators are widely used in power systems, generally belonging to external insulation and working under atmospheric conditions.Classification of suspension insulators Common type Disk type bell-jar triumbellifer Straw hat type