This standard specifies the relevant requirements for thermosetting Resin impregnated paper high voltage decorative laminates (HPLs), including terms and definitions, classification, technical requirements, inspection methods and rules, and requirements for marking, Encasement, transportation and storage. Suitable for high voltage decorative laminates in a variety of application scenarios, designed to ensure that product mass and performance comply with relevant standards. Through standardized inspection methods and strict control measures, this standard provides clear guidance for the production and use of high voltage decorative laminates, ensuring their Reliability and conformity in practical applications.