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UL Certification

UL is the abbreviation for Underwriter Laboratories Inc. UL safety test is the most authoritative in the United States, but also the world engaged in safety testing and identification of large private sector. It is an independent, for-profit professional organization that tests public safety. It adopts scientific testing methods to study and determine the extent to which all kinds of materials, devices, products, equipment, buildings and the like are harmless and hazardous to life and property; to identify, compile and issue corresponding standards and to help reduce and prevent the loss of life The property suffered the loss of information, at the same time to carry out fact research business. UL certification in the United States are non-compulsory certification, mainly in product safety testing and certification, the certification does not include the product EMC (electromagnetic compatibility) features.

In short, it is mainly engaged in product safety certification and business safety certification business, the ultimate goal is to have the market access to a fairly safe level of goods, to contribute to the health and property safety assurance. In terms of product safety certification as an effective means to eliminate technical barriers to international trade, UL also plays a positive role in promoting the development of international trade.

UL column name tag

This is one of the most commonly used UL tags. If the product is marked with this mark, it means that the sample of the product meets UL's safety requirements. These requirements are primarily UL's own published safety standards. This type of marking is commonly found in the following categories of appliances: appliances, calculator equipment, stoves and heaters, fuses, power strips, smoke and carbon monoxide detectors, fire extinguishers and sprinkler systems, personal flotation devices such as Life jackets and life buoys, bullet-proof glass and thousands of other products.

C-UL column name tag

This mark applies to products marketed in Canada. Evaluate products labeled with this mark according to Canadian safety requirements. Canadian safety requirements may differ from those of the United States. Such marks can be seen on the following types of devices: appliances and calculator devices, vending machines, home burglar alarm systems, lighting fixtures, and many other kinds of products.

C-UL US column name tag

UL introduced this new listing tag in early 1998. It said it meets both the U.S. requirements and Canada's requirements. Canadian / American markings are available. UL encourages manufacturers of those products that use both US-based and Canadian forensics labels to use this new combination, but manufacturers may choose to continue using UL-only for the United States or Canada.

Grading mark

This mark appears on UL-rated products. UL has already evaluated certain specialized attributes for products labeled with this symbol. Some of the specific attributes here are those that apply to a limited range of hazards or are used under limited or ad hoc conditions. Typically, products classified by UL are generic building materials and industrial equipment. For example, UL classified equipment types are wetsuits, fire doors, firefighter guards and industrial trucks.

C-UL classification mark

This rating mark applies to products marketed in Canada. It states that UL has evaluated the product for certain hazardous situations or characteristics in accordance with Canadian standards. For example, C-UL graded products include air filters, fire stops, some types of roofing systems, and the like.

Approved part marks and Canadian approved part marks

The average consumer seldom sees these marks because they are used on parts that are larger parts of the product or system. These parts can not by themselves constitute a complete product, or their use is limited. Parts approval marks are available on a number of products, including switches, power supplies, printed wiring boards, certain types of industrial control equipment, and thousands of other products. Accreditations labeled with "C" letters are intended for products intended for sale in the Canadian market.

Approved parts markings for Canada and the United States

This is a new UL Recognized Part Mark which entered into force on April 1, 1998. It can be used by UL to both comply with the requirements of Canada, but also in accordance with the United States to require evidence of the parts. Originally, UL did not intend to introduce a combination of accreditation marks, but because of those products are sold to Canada, but also sold to the United States UL certification users like the Canadian / USA list and hierarchical mark, so the introduction of this new mark.

The significance of certification

UL certification mark on the significance of the enterprise:

1, the entire US market places great emphasis on product safety; consumers and purchase units to buy products, will choose a UL certification mark products.

2, UL history of more than 100 years, the image of security in consumers and the government are deeply rooted, if you do not sell products directly to consumers, middlemen will also require products with UL certification mark to make the best-selling products.

3, US consumers and purchasers have more confidence in their products.

4, the entire US federal, state, county, city government a total of more than 40,000 political districts, all recognize the UL certification mark.

Certification steps

The applicant submits the company and product information

Written application: You should ask UL Company to test your company's products in writing.

Company Information: In both English and Chinese provide the following detailed and accurate name, address, contact person, zip code, telephone.

(a). Application company: a company that submits a product testing application and is responsible for all engineering services costs

(b). Listed Companies: Companies that list names in various product catalogs published by UL Companies

(c) Production Plant: Producer and producer of the product.

     Product Information: Product information should be provided in English.

(a) Name of product: Provide the full name of the product.

(b). Product Model: Detailed description of all the products need to experiment model, variety or classification number.

(c) intended use of the product: eg home, office, factory, coal mine, ship etc.

(d). Parts List: Details of the components and parts of the product (model number), rating, manufacturer's name. For insulating materials, please provide the name of raw material. When the parts have been UL recognized or approved, please prove the specific model of the parts, and indicate the UL file number (e). Electrical properties: For electrical and electronic products. Provide electrical schematic (circuit diagram), electrical performance table.

(f). Structure: For most products, provide the product structure or explosion diagram, ingredients list.

(g). Product photos, instructions, safety items or installation instructions.