UL Listing means that UL has tested representative samples of a product and determined that the product meets specific, defined requirements. These requirements are often based on UL's published and nationally recognized Standards for Safety.
What is the difference between UL certified and UL listed?
UL certification is essentially an umbrella term in which UL listed and UL recognized fall. In contrast, UL listing can refer only to stand-alone products that have a specific function and were tested against UL's nationally recognized safety standards of a specific category of equipment.
Is UL listing important?
The UL Listed seal means that the product has been tested by UL to nationally recognized safety and sustainability standards. Additionally, it has been found to be free from a reasonably foreseeable risk of fire, electric shock in a Division 2 environment.
What does UL mean in electricity?
The UL-Listing seal, also known as the “Underwriters Laboratory” seal, that is stamped on most electrical products is an important mark that products carry.24 Oct 2011
What are 2 types of UL certifications?
Instead, there are three different categories: UL Recognized, UL Listed and UL Classified.
What needs UL certification?
There is no law in the U.S. requiring UL certification. But commercial building and electrical codes as well as retailers may require it. And if you produce a product designed to meet specific safety criteria or it might pose a safety risk, you definitely need testing.
Is UL certification necessary?
Having a UL listed certified unit is not legally required. It is, however, a common practice because many large companies will only buy equipment that has passed the UL safety tests. Having a tested product shows that the equipment meets a nationally recognized safety standard.
What if a product is not UL listed?
Just because a product is not UL recognized and tested doesn't mean it's going to spontaneously combust. It simply means that its performance and safety haven't been tested independently and verified to meet those safety standards.
Is the UL mark required by law?
Is the UL mark required by law? No, there is no law which makes UL certification mandatory. All electrically controlled devices or systems in the USA must be approved. The legal basis for this is constituted by regulations such as those of the Occupational Safety and Health Act (OSHA Article 29 CFR 1910.
What is UL listed in electrical?
Underwriters Laboratories (UL) are most widely known for standards in electrical products. E.g., every light bulb, lamp, or outlet purchased in the U.S. usually has a UL symbol and says UL Listed. In point of fact, they issue a much wider range of standards - all related to product safety for consumers.