On August 1, 2022, China’s Certification and Accreditation Administration (CNCA) issued Notice on Clarification of Certification Reference for Electrical Products and Safety Accessories. Its purpose is to clarify and ensure certification work after relevant new national standards come into force. 

The two following relevant national standards have sequentially come into effect:

·   GB 4943.1-2022 Audio/video, information and communication technology equipment - Part 1: Safety requirements (adopted IEC 62368-1:2018 with modifications)

·   GB/T 9254.1-2021 Information technology equipment, multimedia equipment and receivers - Electromagnetic compatibility - Part 1: Emission requirements (adopted CISPR 32:2015 with modifications)

These two standards have combined and integrated 4 former nationals standards:

·   GB 4943.1-2011 Audio/video, information and communication technology equipment—Part 1: Safety requirements

·   GB 8898-2011 Audio, video and similar electronic apparatus - Safety requirements

·   GB/T 9254-2008 Information technology equipment - Radio disturbance characteristics - Limits and methods of measurement

·   GB/T 13837-2012 Sound and television broadcast receivers and associated equipment - Radio disturbance characteristics - Limits and methods of measurement 

Based on the standard alternation, CNCA clarified that: