What are typically made of insulating porcelain in electrical systems?

In electrical systems, bushings are typically made of insulating porcelain. This choice is correct because porcelain has excellent insulating properties, making it ideal for applications where electrical insulation is critical. Bushings serve as insulators that allow electrical conductors to pass through grounded walls, compartments, or containers, minimizing the risk of electrical discharge and ensuring safety and functionality.

Porcelain can withstand high voltages and various environmental conditions, which makes it a preferred material for bushings in substations and other electrical installations. Its durability and resistance to aging also contribute to the reliability of electrical systems where bushings are used.

Other materials could be found in the construction of other electrical components, but they do not serve the same purpose or meet the specific requirements as effectively as porcelain does for bushings.