The standards for mandatory certification of explosion-proof electrical products were released on October 11, 2021 and implemented on May 1, 2022. The latest implementation standards for explosion-proof 3C certification are as follows:

GB/T 3836.1-2021 Explosive Atmosphere Part 1: General Requirements for Equipment
GB/T 3836.2-2021 Explosive Atmosphere Part 2: Equipment Protected by Explosion proof Enclosures "d"
GB/T 3836.3-2021 Explosive Atmosphere Part 3: Equipment Protected by Increased Safety Type "e"
GB/T 3836.4-2021 Explosive Atmosphere Part 4: Equipment Protected by Intrinsic Safety Type "i"
GB/T 3836.5-2021 Explosive Atmosphere Part 5: Equipment Protected by Positive Pressure Shell "p"
GB/T 3836.6-2017 Explosive Atmosphere Part 6: Equipment Protected by Liquid Immersion Type "O"
GB/T 3836.7-2017Explosive atmospheres - Part 7: Equipment protected by sand filled molds "q"
GB/T 3836.8-2021 Explosive atmospheres - Part 8: Equipment protected by "n" type
GB/T 3836.9-2021 Explosive Atmosphere Part 9: Equipment Protected by Sealed Type "m"
GB/T 3836.31-2021 Explosive atmospheres - Part 31: Equipment protected by anti dust ignition enclosures "t"