GB/T 5013.3 - 2008 standard for Rated voltage 450/750V and below heat-resistant silicone rubber insulated cable. It specifies the material, structure, electrical performance and other requirements of such cables. Through the specification, the manufacturer can ensure that the cable works stably in a high temperature environment and ensure the safety of power transmission. It is suitable for high temperature industrial environment, special electrical equipment and other fields. It provides a basis for screening and adapting heat-resistant cables, and promotes mass improvement and standardized production of products in the cable industry under high temperature application scenarios.