What Is the UL Certification of PBM EC Fans? 2022-12-06
Founded in 1894, UL is a non-profit product safety testing and certification organization. There are more than 50 laboratories around the world, with about 6,000 employees. Every year, thousands of products are certified by UL and use the UL mark. Currently, UL has nearly 800 sets of standards, 75% of which are adopted by the American National Standard Institute(ANSI).