UL certification, many people are familiar with it but strange. When exporting to the United States, many people have heard of it. UL certification. However, because UL certification is a non-mandatory certification in the United States and has no effect on customs clearance, many sellers will not understand it in depth. In fact, it is difficult for related products to enter the United States without UL certification to be sold in the US market.
UL is shorthand for Underwriters Laboratories Inc. UL Safety Testing Institute is the most authoritative in the United States, and it is also the largest private organization engaged in safety testing and identification in the world.
UL certification is a non-mandatory certification in the United States, mainly for the detection and certification of product safety performance, and its certification scope does not include the EMC (electromagnetic compatibility) characteristics of the product. The UL mark has become one of the world's leading safety certification marks.
The significance of UL certification mark to enterprises
1. The entire US market attaches great importance to product safety; when consumers and buyers purchase products, they will choose products with UL certification marks.
2. UL has a history of more than 100 years. The image of safety is deeply rooted in consumers and the government. If you do not sell products directly to consumers, middlemen will also require products to have UL certification marks to make products sell well.
3. American consumers and buyers have more confidence in the products of enterprises.
4. There are more than 40,000 federal, state, county and municipal governments in the United States, all of which recognize UL certification marks.
Validity of UL certification
as long as the following situations do not occur, UL certification is valid
substantial changes in products: changes in product specifications, structure and key parameters;
2, the certification standards have changed greatly: the testing standards of certified products have changed greatly;
3. Failure to comply with the regulations of the issuing authority: the factory failed to comply with the issuing authority. UL the request to accept factory inspection or pay fees.
Note: The factory inspection is about 1-4 times a year, and the enterprise needs to accept and pay the audit fee or file maintenance fee. If the manufacturer is required to send samples for sampling tests, the test fee shall be paid on time.
What products need to do UL certification?
UL is mainly responsible for electrical, electronic equipment, mechanical products, lighting, building materials, fire protection equipment and chemicals and other public safety inspection work. UL certification is voluntary, but if the product wants to be recognized by consumers in the US market, it must be done. Americans are more likely to recognize UL certification.
UL certification required information:
1. Application form for opening a case;
2. Company name and address;
3, the use of instructions, including product description, detailed use of the introduction, electrical rating, etc;
4. List of components and materials of the product, as well as the obtained UL Certification Number (ULFileNo.);
5, can explain the electrical or electronic circuit diagram;
materials or components that may be replaced in the future.
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