ul
UL Certification Introduction
Underwriters Laboratories UL is in English (Underwriter Laboratories Inc.) Shorthand. UL safety test by the most authoritative in the United States, but also engage in community safety testing and identification of large private institutions. It is an independent, non-profit, do testing for public safety professional organizations. It uses scientific methods to study the test identified a variety of materials, devices, products, equipment, and construction to life, property damage and whether the degree of harm; determined, prepared, issued the appropriate standards and help reduce and prevent the cause of life loss of property information, while carrying out the facts research business. In short, it is mainly engaged in product safety certification and operational safety certification services, the ultimate goal is to get to market goods with a considerable level of safety for human health and property is guaranteed to contribute. On product safety certification as to eliminate technical barriers to international trade in terms of effective means, UL to promote the development of international trade also played an active role.
UL was founded in 1894, the initial phase of the Lord in the UL fire insurance sector by providing funds to maintain movement, until 1916, UL was completely self-sustaining. After nearly a hundred years of development, UL has become a world-known certification body has its own set of strict management system of organizations, standards development and product certification procedures. UL safety experts from the a, government officials, consumers, education, utilities, insurance and standards department of the representatives of the Council of 管理, daily work by the president, vice president of treatment. Currently, UL has five laboratories in the United States, headquartered in Chicago, the town north of Northbrook, were also set up in Taiwan and Hong Kong, the corresponding laboratory.
UL Certified special terminology to explain
AL "LISTING, CLASSIFICATION OR RECOGNITION (multiple listing or approval)
And authorized by the applicant to apply to different applicant (listed celebrities) in the other column name or the name of the establishment of accreditation services
AGENT (Agent)
Commissioned by the applicant, the applicant's name and UL in the activities between the individual or business
APPEALS PROCEDURE (grievance procedures)
If the customer engineering test or track the test results have different opinions, with the relevant engineers or site representatives to discuss the future without fear of endangering the conclusions. If this level can not get a satisfactory answer, the customer can appeal to a higher level, until the president. APPENDIX (attached)
Part of rules, including representatives of the factory and on-site responsibilities and requirements of the relevant test. May also be made to describe the samples sent to UL testing.
APPLICANT (Applicant)
UL apply to its parts, product or system testing companies or individuals. Legally, the parties will be responsible for the cost of testing and tracking service, and the test results and all information relevant to rights holders. See also agent.
AUTHORIZATION PAGE (authorized page)
Archive factory inspection rules in the tracking service front page, to authorize the appropriate track inspection services (L class or R class) and allows the certification mark
CATEGORY CONTROL NUMBER (CCN) (category control number)
UL listing, approval, classified service in different product categories of character representation. If AVLV2 that electronic line; QOWZ said portable lamps. General, XXXX for the listing products, XXXX2 as an approved product, XXXX7 that meet Canadian standards of listing products, XXXX8 that approved products meet Canadian standards.
COMPONENT (parts)
A part of the product, in addition to participating as part of a complete product testing throughout the product, but also need to individually test their performance and / or structure. Parts can be column names, column names or approved parts.
CONDITION OF ACCEPTABILITY (conditions apply)
The projects listed in the approved parts of the report or listing, but not as a representative of the test-site basis. The project is based on test results, indicating the integrity of the parts and products with the restrictions and conditions. For example, a switch in the report, may be "appropriate conditions" specified in the product is only applicable to 1A current or less than the temperature below 125C.
CONTROL NUMBER (Control No.)
UL recognized marking one of four possible elements, designated by the UL. According to different product categories and different types of tracking services, Control Number may periodically change.
FACTORY IDENTIFICATION (factory ID)
By the same product in different factories used by a manufacturer of identification marks used to distinguish a product in which the factory production.
FACTORY INSPECTION (factory test)
UL Services
UL product certification, testing the types of services can be divided into column names, recognition and classification.
1) listing (LISTED): Generally speaking, the listing only applies to complete products, and qualified personnel in the field replacement or installation of a variety of devices and equipment, are UL listing services for a variety of products including: home appliances , medical equipment, computers, business equipment, and role in building various types of electrical products, such as the distribution system, fuses, wires, switches and other electrical components and so on. The UL listing of products, usually marked on each product's listing on the UL mark. Logo usage listing.
2) recognized (Recognized): UL approved service is a service project, the identification of the product only in the UL listing, classification, or other approved products as components, raw materials use. Approved products in the structure is not complete, or uses a certain limit to ensure the desired safety performance. In most cases, approval of products tracking services are R classes. L class of the listed products are electronic line (AVLV2), processing wire (ZKLU2), Harness (ZPFW2), aluminum (DVVR2), and metal flexible tube (DXUZ2). Approved product requirements with the approval mark.
3) classification (Classification): differentiated services only to the specific product hazard evaluation, or implementation of the UL standard than other standards (including the internationally recognized standards such as IEC and ISO standards, etc.) to evaluate the product. Generally speaking, most consumer grade products are not products, but industrial or commercial use of the product. UL mark in the classification symbol that the product identified in the Economic and UL have a certain range of restrictions and regulations. For example, solvents used in industry such as chemicals, only to reach its ignition temperature of the fire that may occur when the scope of evaluation. Classification of certain products and services, listing services, the same, but generally only one aspect of the product or the evaluation of a number of aspects, such as the United States, medical X-ray diagnostic apparatus such equipment to the country to comply with U.S. law and the radiation emission and beam accuracy requirements, but because only the X-ray as a UL rating products, they only evaluate its mechanical properties, electrical properties and other non-radiative properties of these areas.
4) multiple listing, multiple authorized or multiple classification services: When an applicant has obtained the UL listing, approval or grading service, its products to another company's name to the production to meet the needs of sales, may apply for multiple listing, multiple services authorized or multiple classification, in this given in the case listing, approval or grading manufacturers are allowed to use the product list in another company's name, but the product code-named Chu Corporation , product code or UL company acceptable to other features, it must be the original column names, product approval or grade production line.
5) "AL" listing, approval or grading services: If UL applicants do not want to get out in the name of your company name, approval or grading service, he can apply with another firm (usually a retailer or wholesaler) in the name of the listing, approval or classification, that is called "AL" listing, approval or grading service. With the multiple listing, multiple or multi-grade services recognized the difference between the applicant is not listed in their celebrity.
6) System Certification Services: As a member of the International Accreditation Board, UL extensively involved in ISO9000 quality system certification, ISO14000 environmental certification, QS9000 quality system certification and the automotive industry aircraft industry AS9000 quality system certification services. So far, a total of 116 factories in China to obtain UL certification system; of which 21 for the ISO9001 certification, 85 for the ISO9002 certification, a certification to ISO14001, QS9000 certification for the 9.
7) UL Other services: such as the certification service, inspection service, the facts to judge services, research services.
