Loading data. Please wait


Underwriters Laboratories (UL)

Underwriters Laboratories Inc. is chartered to establish, maintain, and operate laboratories for the examination and testing of devices, systems and materials to determine their relation to hazards to life and property, and to ascertain, define and publish standards, classifications and specification for materials, devices, products, equipment, constructions, methods, and systems affecting such hazards.

UL employs exacting scientific processes and the highest ethical principles to help create a better world. As safety challenges and concerns expand to include sustainability, well-being, connected technologies and security, we provide broad leadership, deep expertise and vital services to guide these transformations.

Fueled by our mission of working for a safer world, UL is trusted partners in solving our customers’ and stakeholders’ most critical challenges. UL believes that when choices are empowered by insight and opportunity, the potential to realize responsible innovation and better living is endless.

To fulfill our mission, UL delivers business solutions and our nonprofit conducts independent research and shares scientific knowledge broadly. For more information about our nonprofit activities


Related standards

Publication