As eight new national standards of explosion proof electric apparatus (2021 editions) came into effect on 1 May, on April 24, 2022, Certification and Accreditation Administration of China (CNCA) updated the implementation rules for the CCC of explosion proof electric apparatus (CNCA-C23-01:2019 compulsory product certification implementation rules - explosion proof electric apparatus).

These standards are the results of the revision and integration of 12 previous standards on explosion proof electric apparatus, including the GB 12476 serials which were adopted by the previous implementation rules. 

The standard lists are summarized as below: