Summary of Certification Content

UL is the abbreviation for Underwriter Laboratories Inc. in English.

UL Safety Testing Institute is the most authoritative and largest private institution in the United States engaged in safety testing and appraisal. It is an independent, non-profit, professional institution that conducts experiments for public safety. It adopts scientific testing methods to study and determine whether various materials, devices, products, equipment, buildings, etc. pose a threat to life and property, and the degree of harm; Determine, write, and distribute corresponding standards and materials that help reduce and prevent losses to life and property, while conducting factual research services.

In short, it mainly engages in product safety certification and business safety certification business, with the ultimate goal of obtaining goods with a considerable level of safety for the market and contributing to ensuring personal health and property safety. In terms of product safety certification as an effective means of eliminating technical barriers to international trade, UL also plays a positive role in promoting the development of international trade.

L was founded in 1894 and initially relied on funding from the fire insurance department to maintain operations. It was not until 1916 that UL became fully self-sufficient. After nearly a century of development, UL has become a world-renowned certification body with a complete set of rigorous organizational management systems, standard development, and product certification procedures. UL is managed by a council composed of representatives from safety experts, government officials, consumers, the education industry, public utilities, insurance industry, and standards departments, with daily work handled by the President and Vice President. Currently, UL has five laboratories in the United States, headquartered in Northbrook Town, north of Chicago, and corresponding laboratories in Taiwan and Hong Kong. In the United States, UL is a symbol of safety for consumers. Globally, UL is one of the most trusted qualified evaluation providers for manufacturers.

PDF information includes:

Classification of UL certified product types

UL certification process

UL Certification Inspection Rules

UL certification tracking inspection

UL Certification Terminology