UL certification is the abbreviation of certification made by underwriter Laboratories Inc. UL safety testing institute is the most authoritative in the United States and a large non-governmental organization engaged in safety testing and identification in the world. It is an independent, profit-making professional organization that does experiments for public safety.
It uses scientific testing methods to study and determine whether various materials, devices, products, equipment and buildings are harmful to life and property and the degree of harm; Determine, prepare and issue corresponding standards and materials that help to reduce and prevent loss of life and property, and carry out fact investigation business at the same time.
UL certification is a non mandatory certification in the United States, mainly the testing and certification of product safety performance, and its certification scope does not include the EMC (electromagnetic compatibility) characteristics of the product.