Underwriters Laboratories, or UL, are responsible for accrediting consumer products based upon criteria set in place by major consumer safety organizations, such as the Occupational Safety & Health Administration (OSHA) and the American National Standards Institute (ANSI). UL certification lends credibility to a product and its safety of use by establishing that it is deemed effective and safe for use by the public by testing those products based on rigorous standards put in place by OSHA and ANSI. Tips Writer Bio