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What are the UL authentication and RoHS authentication of power supply?

What are the UL authentication and RoHS authentication of power supply?

Answer:

UL certification for the United States voluntary certification of electronic products, mainly for the safe use of electronic products and requirements, corresponding to the standard UL60065 power adapter (for power adapter for audio and video products included), also have the corresponding UL60950-1 standard (for power adapter information technology products included). Although voluntary, American customers and customs usually ask for mandatory FCC certification and also require importers to provide UL certification.RoHS certification, early originated in the EU Republican approved the electronic products, containing toxic and harmful substances in the chemical testing certification, the corresponding new standards have covered ten kinds of harmful substances testing requirements. In the United States, similar certification requirements are usually referred to the EPA standard.
RoHS authenticationIt is a mandatory standard formulated by European Union legislation. Its full name is "Restriction of Hazardous Substances" on the restriction of the use of certain harmful components in electronic and electrical equipment. This standard was formally implemented in July 1, 2006. It is mainly used to regulate the materials and process standards of electronic and electrical products, so as to make it more conducive to human health and environmental protection. The aim of the standard is to eliminate 6 substances including lead, mercury, cadmium, six valence chromium, polybrominated biphenyl and polybrominated diphenyl ethers in the electrical and electronic products, and to focus on the content of lead not exceeding 0.1%.
UL authenticationThe full name is Underwriter Laboratories Inc. (underwriter Testing Institute). The UL Security Institute is the most authoritative and civil institution in the United States that is engaged in safety testing and identification. It uses scientific test method to determine various materials, devices, products, equipment, construction etc. there is no harm and the extent of the damage to life and property; determine, write, issue the corresponding standards and help to reduce and prevent the loss of life and property caused by the data, and carry out the truth research business. In addition to the product quality certification requirements, UL certification of the product production system has certain requirements. UL certification has a number of signs, depending on the scope of application and the applicable area. The above figure is a sign for Canada and the United states. Generally speaking, UL certified products will have a string of serial numbers below the UL tag. Users can verify them through the serial number at the UL certified official website.

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