What is UL certification?

Why do you need UL certification? (1) The entire US market pays great attention to product safety; consumers and purchasers will choose products with UL certification mark when purchasing products. (2) UL history has more than 100 years. The image of security is deeply rooted in consumers and the government. If you do not sell products directly to consumers, the middlemen will also require the products to have UL certification marks to make the products sell well. (3) American consumers and purchasers are more confident in the products of the company. (4) The federal, state, county, and municipal governments of the United States have more than 40,000 political districts, and all recognize the UL certification mark. UL certification Certification introduction: UL is a shorthand for Underwriter Laboratories Inc. The UL Safety Laboratory is the most authoritative in the United States and the largest private institution in the world for safety testing and identification. It is an independent, profitable, professional organization that tests for public safety. It uses scientific testing methods to determine the extent to which various materials, devices, products, equipment, buildings, etc. are hazardous or hazardous to life and property; to determine, prepare, and issue appropriate standards and to help reduce and prevent life. The property is subject to loss of information, and at the same time conducts fact-finding business. UL certification is a non-mandatory certification in the United States, primarily for the detection and certification of product safety performance. The scope of certification does not include the EMC (electromagnetic compatibility) characteristics of the product. In short, it is mainly engaged in product safety certification and business safety certification business, and its ultimate goal is to obtain a fairly safe product for the market and contribute to the protection of personal health and property safety. Regarding product safety certification as an effective means of eliminating technical barriers to international trade, UL also plays an active role in promoting the development of international trade. Product Range: The review is divided into the first review and the quarterly review. The cost of the first review is relatively higher. The UL follow-up test is divided into R and L categories. Class L services are primarily used for life safety related products such as fire extinguishers, smoke detectors, fire doors and some products with considerable output, such as electrical equipment, wires and circuit breakers. For products belonging to the L category, the manufacturer must attach the UL order label directly to the product. Class R services are primarily used in electrical equipment such as fans, televisions, hair dryers, ovens, and other products that are commonly used in the production line. AV products: TV, recorder, radio, VCD, DVD, CD and other audio, video / video recorder, digital camera. Home appliances: refrigerators, air conditioners, electric fans, microwave ovens, hair dryers, electric heaters, power tools, chargers, power adapters, and other small appliances. Lighting products: general indoor lights, incandescent light sources, halogen lights, fluorescent lights, ballasts, electronic ballasts, etc. IT products: computers and their peripherals, such as monitors, printers, UPS, mouse, keyboard, data machine, scanner, motherboard, computer motherboard, MP3, credit card machine, charger, power adapter, and various computer accessories, etc. . Certification process: 1. Applicant submits relevant company and product information 2. Make a decision based on the product information provided 3. Apply for company remittance, return application form and sample 4. Product testing 5. Applicant is authorized to use the UL Mark Certification information: (1) Product name: Provide the full name of the product; (2) Product model: List all the product models, varieties or classification numbers that need to be tested; (3) The intended use of the product, such as: home, office, factory, media mine, ship, etc.; (4) Parts list: List the parts and models (classification number), rating, and manufacturer's name of the product. For the insulation material, please provide the name of the raw material. When the component has obtained UL certification or approval, please indicate the specific model of the component and indicate its UL file number; (5) Electrical properties: For electrical and electronic products, provide electrical schematics (circuit diagrams) and electrical performance tables; (6) Structure drawing: For most products, it is necessary to provide the structural drawing or explosion drawing of the product, the ingredient list, etc.; (7) Photographs of the product, instructions for use, safety, etc. or installation instructions, etc. Certification period: Regular for 3-4 weeks, can be expedited, need to pay extra for expedited