In which applications are high-voltage insulators primarily utilized?

High-voltage insulators are primarily utilized in power transmission and distribution systems because they serve the critical function of separating electrical conductors from each other and from the ground. This separation is necessary to prevent unwanted electrical flow, thus ensuring the safe and efficient transmission of electricity over long distances. High-voltage insulators must be able to withstand not only the high voltages involved but also environmental factors such as temperature variations, moisture, and pollution, which can all affect their performance. These insulators are designed to maintain the integrity of electrical systems, reduce the risk of electrical faults, and enhance safety for both equipment and personnel.

In contrast, applications like manufacturing and assembly lines, domestic electrical devices, and telecommunication equipment typically do not operate under such extreme voltage conditions and thus use different types of insulation materials and technologies suited for their specific requirements. Hence, the focus on power transmission and distribution underscores the importance of high-voltage insulators in that domain.