UL certification profile
UL is a shorthand for Underwriter Laboratories Inc., a U.S. insurer.The UL safety test is the most authoritative in the United States and is also the largest private sector in the world for safety testing and identification.It is an independent, profitable, public safety testing professional.It adopts scientific test methods to study the degree to determine whether various materials, devices, products, equipment and buildings are harmful to life and property.To identify, prepare, issue corresponding standards and help to reduce and prevent the loss of life and property and to conduct factual investigations.UL certification is a non-compulsory certification in the United States. It is mainly the inspection and certification of product safety performance, and its certification scope does not include EMC (EMC) characteristics of products.
In short, it is mainly engaged in product safety certification and safety certification business, the ultimate goal is to get fairly safe level for the market of goods, contribute to the health and property safety guaranteed.As an effective means to eliminate the technical barriers of international trade, UL has played an active role in promoting the development of international trade.
UL column name tag:
This is the most commonly used UL mark.If this mark is attached to the product, it means that the sample of the product meets UL's safety requirements.These requirements are mainly the safety standards published by UL itself.This type of tag usually see in the following products: electric appliances, computer equipment, stove and heater, fuse, power panels, smoke and carbon monoxide detectors, fire extinguisher and automatic sprinkler system, personal flotation devices, such as life jackets and life buoy, bulletproof glass and other thousands of products.
The significance of UL certification mark to enterprise:
1. The whole American market is very focused on product safety;Consumers and purchasing units will choose products with UL certification marks when choosing products.
2, UL has more than 100 years history, the image of safety in the consumer and government are deeply ingrained, if you are not directly selling products to consumers, intermediate traders will ask products are UL certification marks, in order to make the products sell well.
3. American consumers and purchasing units have more confidence in the products of enterprises.
4. There are more than 40,000 political zones in the federal, state, county and municipal governments of the United States, which recognize the UL certification mark.
Certification steps:
1. The applicant shall submit the relevant company and product information
Written application: you should ask UL to inspect your products in writing.
Company information: provide detailed and accurate name, address, contact person, postal code, telephone and fax in both Chinese and English.
(a) the company that applies for product testing and is responsible for all engineering services costs
(b). Name companies listed in the various product catalogs published by UL company
(c) production plants: producers and producers of products.
Product information: the product information should be provided in English.
(a) the name of the product: the full name of the product.
(b). Product model: detail all the product models, varieties or classification Numbers required for the experiment.
(c) the purpose of product reservation: family, office, factory, coal mine, ship, etc.
(d). Parts table: details of the components and models of the product (classification number), ratings, and the name of the manufacturer.For insulation materials, please provide the name of the raw materials, e.g. GE Polycarbonate,Lexan Type 104.When the parts have been approved or approved by UL, please confirm the specific model of the parts, and indicate its UL file number (e). Electrical properties: for electrical appliances.Provide electrical schematic diagram (circuit diagram) and electrical performance meter.
(f). Structure diagram: for most products, the structure chart of the product or the explosion chart, the batching table, etc.
(g). Photos of products, instructions for use, safety, etc.
2. Make a decision according to the product information provided
When product information is complete, the UL engineer according to the data to the following decision: experiments according to the UL standard, testing of engineering cost, time and quantity samples, notify you in writing, and send the formal application form and tracking service agreement to your company.The cost limit is stated in the application form. It is the maximum project cost of UL according to the test item. Without the written authorization of your company, the fee limit can not be exceeded.
3. Apply for the remittance of the company, return the application form and sample
UL certificate
The applicant in the application form and tracking service agreement is signed, and send the form back to UL company, at the same time, through the bank transfer, or by express mail at the post office mail samples, please send test samples for proper instructions (such as name, type).Please send the application form and sample separately.For each application, UL will specify a unique Project number (Project No.) stating the number of the Project number and the name of the company in the form of remittance, sample and application form for UL check.
4. Product testing
After receiving your signed application, remittance and sample, UL will inform you of the time to complete the experiment.Product testing is generally conducted in UL laboratories in the United States. UL may also accept audited participation in third-party test data.Samples will be sent or destroyed according to your requirements.
If the product test results conform to the requirements of the UL standard, UL testing qualified report will be issued and tracking Service details (FollowUp Service Procedure) test report will detail test conditions, samples, product structure and the performance indexes of products suitable for the use of safety signs, etc.The tracking service rules include descriptions of the products and instructions for the UL area inspectors.A copy of the test report is sent to the application company and a copy of the tracking service rules is sent to each production plant.
5. The applicant is authorized to use the UL mark
Contact area of the UL inspector Production factories in China for the first time the factory Inspection (Initial Production Inspection. The IPI), the inspector to check your product and its components, in the case of Production line and warehouse inventory, to confirm whether the structure of products and parts and tracking service details, if required in the detailed rules, area inspector will witness the experiment, when the test results meet the requirements, applicants receive authorized the use of the UL mark.
After IPI, the inspector will not regularly to the factory inspection, check the product structure and witnessed the experiment, and check the frequency is determined by the types of products and production, most types of product inspection at least four times a year, the inspector checks is to ensure that products continue to consistent with UL requirements, before you plan to change the product structure or component part (s), please notify the UL, for small change, do not need to repeat any experiment, UL can quickly change tracking service rules, make the inspectors can accept this change.When UL considers that the product's changes affect its safety performance, it is necessary to apply for the company to re-submit the samples for the necessary testing.
considerations
1. The minimum height of registered trademarks shall be 3/64 inches.
2. When the outer diameter of the UL mark is less than 3/8 inch, the registered trademark symbol can be ignored if it is not legible at the naked eye.
3. Marking can be used for stamping, moulding, ink-printing, screen printing or similar methods directly and fixed in constant products.
4. Acquisition of marks: the manufacturer may reprint or obtain from the UL authorized dealer.
