signifies that production samples of the product have been found to comply with established Underwriters Laboratories requirements. The manufacturer is authorized to use the Laboratories' listing marks on the listed products that comply with the requirements.
Tested and listed by the Underwriters Laboratories, Inc.
nderwriters aboratory". Originally an insurance industry organization, UL is now an independent and non-profit organization that tests electrical components and other equipment for potential hazards. When something is UL-listed, it means that UL has tested the device and it meets their requirements for safety - i.e.: fire or shock hazard.
(adj.) Listed in a directory as having passed specific Underwriters Laboratories testing. Source: Lock Industry Standards and Training (LIST) Council
The UL Symbol signifies that a product has been tested and certified by UL (Underwriters Laboratories) to meet or exceed their standards. This applies to many of our products, including power products, racks and enclosures and their accessories, and monitor mounts. Many of our products that are UL Listed are listed in both the US and Canada.
UL stands for Underwriters Laboratories Inc., an independent, non-profit, product safety testing and certification organization. Since 1894, UL has been one of the leaders in testing products for public safety. If a product is UL listed, it has been tested and approved by the laboratory.
Means that a specific electrical device or complete assembly has been tested and approved by UL.
A UL Listed product has met to applicable UL Standard for that class of equipment. Listed products are typically end products and not components.