Wire Harness Assembly
What does the UL surface marking mean on the wire? 2024-04-01 17:24:10


Xiamen Kehan is a wire harness seller, cable assembly supplier, Amp harness manufacturer, Cable harness vendor, Cable loom provider, Electric harness company, Industrial wire harness dealer, and Power harness exporter, offering custom wire harness services, our products include Wiring HarnessCable Assembly, Power Cable, Over-molded Cable and USB cable, etc.

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UL wire surface printing a complete list


When you get a USB data cable, how to determine whether it is in wire with UL or the norms, when it is the first to look at the printed word on the surface of its wire, but also according to the content of the printed word can be traced back to the manufacturer, today we come together to recognize, the print on the surface of the wire, welcome to inquiry!



RU: UL safety certification is divided into three kinds: recognized, listed, graded, three ways to mark is not the same, UL safety certification in the most widely known services, products on the letter brother on behalf of UL listed mark, on behalf of the manufacturer to allow UL to test the samples in accordance with U.S. safety standards recognized in the reasonable and foreseeable circumstances, the samples will not cause a fire, leakage and related hazards.

 


Expand to learn the basics of UL certification

■ Listed (LISTED): In general, the listing applies only to complete products and qualified personnel in the field to replace or install a variety of devices and equipment, belonging to the UL listing service for a variety of products, including: household appliances, medical equipment, computers, commercial equipment, as well as in the role of the building of the various types of electrical products such as power distribution systems, fuses, wires, switches and other electrical components. UL-listed products can usually be marked with the UL Listing Mark on each product. Usage of the Listing Mark. 

 ■ Recognition (Recognized): Recognition service is a UL service in a project, its identification of products can only be listed in the UL, classification or other recognized products as components, raw materials. Recognized products are not structurally complete, or in the use of certain restrictions to ensure that the expected safety performance. In most cases, the tracking of Recognized Products falls into Category R. Approved products that fall into category L are electronic wire (AVLV2), processed wire (ZKLU2), wire harnesses (ZPFW2), aluminum wire (DVVR2), and metal flex tubing (DXUZ2). Approved products are required to bear the approval mark. 

Classification: The Classification service evaluates products for specific hazards only, or evaluates products that implement standards other than UL standards, including internationally recognized standards such as IEC and ISO standards. Generally speaking, most of the graded products are not consumer products, but industrial or commercial use of the product. UL mark in the graded mark indicates that the product in the UL identification by certain limitations and regulations of the scope. For example, chemicals such as solvents used in industry are evaluated only to the extent that they are likely to catch fire when they reach their ignition temperatures. Classification services and listing services for certain products the same, but generally only a certain aspect of the product or a number of aspects of the evaluation, such as in the United States, medical X-ray diagnostic equipment to comply with U.S. laws and regulations relating to radiation emission and beam accuracy, but because UL only X-ray as a classification of the product, so only the evaluation of its mechanical properties, electrical properties, and other non-radiation properties of these aspects. 


In such cases, the listed, recognized or classified manufacturer is permitted to use the name of another company on the product list, provided that the product is identical to the original listed, recognized or classified product except for the company designator, product designator, or other characteristics deemed acceptable by UL. 


 ■ "AL" listing, recognition or classification services: If the UL applicant does not want to use their own company name to obtain listing, recognition or classification services, he can apply for another firm (usually retailers or wholesalers) in the name of the application for listing, recognition or classification, that is, called "AL" listing, recognition or classification services. The difference between this and multiple listings, multiple approvals or multiple grading services is that the applicant is not a listed person.

AWM: AWM electronic wire standard is actually also UL's earlier cable standard, UL758 based on this standard.

1533: On behalf of the UL758 document inside the UL product code, you can find the relevant specifications based on the code design.

E201479: UL certification file number

80℃: The wire is rated for UL758.

300V: UL758 rated voltage for this wire.

22AWG: Conductor specification of this wire.

VW-1: For detailed explanation, please refer to this article: UL Flame Retardant Rating Description.

CSA: CSA International license.



TYPE :CSA application for product type marking, no CSA product authorization can not be used.

LL114039: CSA certification body issued by the certificate number.



A/B: CLASS I: internal line, CLASS II: external line (many R & D with the wrong design of this seal)

A, B is the content of the CUL certification, GROUP A: electronic wire; GROUP II: motor electrical wire, A certification that the line can not withstand mechanical abrasion; B certification that the line can withstand mechanical abrasion; A/B certification that the line can withstand mechanical abrasion can be with or without mechanical abrasion.


I/II:GROUP A: electronic wire; GROUP II: electrical wire for motor (many R & D use the wrong design of this seal)

I, II, belongs to the contents of the CUL certification, I certification that the line can be used as internal wiring, II certification that the line can be used as external wiring, I / II certification that the line can be used for internal or external wiring



FT-1: CSA flammability rating, (also FT2, FT3, FT4, FT5, FT6, etc.)

For detailed explanation, please refer to this article: UL Flame Retardant Classification.

-F-: Japan JQA Association issued by the fire rating test requirements, if the Japanese market, you need to obtain the JQA certification, which contains -F- fire rating certification, its test requirements and VW-1 to lower, and FT-2 test requirements are basically the same. Lesson 30 [UL Flame Retardant Standard for Cables] 】

Tyco: Manufacturer's name
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