The insulator refers to a device whose prime function is to 'insulate'. An insulator is an electrical device that opposes the flow of current in a circuit. This quality of insulators to resist the motion of electrons is of great electrical advantage. They are often used as a protection device in certain circuits with high currents. What Is an Insulator ? An insulator is a material designed to block the flow of electricity, heat, or sound. Its main role is to provide separation and support for electrical conductors, ensuring that current doesn’t pass through. Made from materials with high resistivity, insulators can handle voltage and mechanical stress without failing. This article will explore how insulators work, their common types, and their importance in various applications. Key Properties of Insulators Electrical ... Ceramic insulator used on electrified railways. The ridged shape increases the surface distance along which electrical leakage could occur, thereby enhancing the insulator ’s effectiveness, especially in wet or polluted conditions. Three-core copper wire power cable, each core with an individual colour-coded insulating sheath, all contained within an outer protective sheath An electrical insulator is a material in which electric current does not flow freely. The atoms of the insulator have ... Materials used for Electrical insulators Porcelain Insulator In case of overhead lines of power systems insulators are connected to the cross arm of the supporting structures and the post conductor passes through the clamp of the insulator . These insulators are mainly used of porcelain and free from defects and of special design for particular use. These insulators should be vitrified, because the presence of pores of air in the porcelain will lower down its dielectric strength. Moreover ...
