What is the highest maximum use voltage for rubber insulating equipment for phase-to-phase exposure?

Rubber insulating equipment is categorized by the maximum voltage that it can safely handle for phase-to-phase exposure. For phase-to-phase exposure, the highest maximum use voltage is determined based on industry standards and safety regulations. In this case, the correct choice of 36kV reflects the recognized upper limit for rubber insulating equipment intended for this specific application.

This voltage level ensures that equipment can effectively provide electrical insulation and protection for workers around high-voltage systems. Using rubber insulating equipment rated for 36kV allows for a wider range of applications in electrical environments, such as during maintenance or repair work on electrical equipment that may be operating at high voltages. The choice of 36kV as the maximum use voltage acknowledges the materials' properties and the safety margins built into the design of the equipment, thereby ensuring operator safety and compliance with regulatory standards.