3C certification is China Compulsory Certification, the English name is "China Compulsory Certification", abbreviated as 3C. The mark of 3C certification is "CCC", which is formulated by the Certification and Accreditation Administration of the People's Republic of China according to the "Compulsory Product Certification Management Regulations". Power cable industry, the main content of 3C certification sum up the following aspects: 1. In accordance with the relevant WTO agreements and internationally accepted rules, the state implements a unified mandatory product certification system for products that involve human health and safety, the life and health of plants and animals, and environmental protection and public safety according to law. The Certification and Accreditation Administration of the People's Republic of China shall be responsible for the unified management of cable management and organization and implementation of the compulsory product certification system of the country. 2. The main feature of the national compulsory product certification system is that the state publishes a unified catalog and determines the uniform and applicable national standards, technical rules and implementation procedures, formulates a unified logo and provides unified charging standards. All products listed in the compulsory product certification catalog must be certified by the certification body designated by the country, obtain the relevant certificates and apply the certification mark before they can be shipped, imported, sold and used in the service areas. 3, the state of the mandatory use of plastic cable certification uniform "CCC" logo. After the implementation of China's wire and cable compulsory certification mark, the "Great Wall" mark and "CCIB" mark, which were originally implemented, will be gradually replaced. 4, the national unity to determine mandatory product certification fees and standards. The formulation of new fees and charges will be based on the principle of non-profit-making and national treatment, taking into account the current fees and charges and referring to the overseas similar-fee-charging items and fees. 3C certification mark: The current "CCC" certification mark is divided into four categories, namely: 1, CCC + S single-core cable safety certification mark 2, CCC + EMC electromagnetic compatibility certification mark 3, CCC + S & E safety and electromagnetic compatibility certification mark 4, CCC + F 10kv cable fire certification mark Each of these four categories of flags has five sizes.