Listed Marks- a product bearing these above Listed Marks is determined to have met the minimum requirements of prescribed product safety and development standards.
Moreover, the marks indicate that the manufacturer's production site conforms to a range of compliance measures and is subject to periodic follow-up inspections to verify continued conformance with product safety, product certification, education, and risk management for public health and safety.
Edison Testing Labs (ETL) originally founded by Thomas Edison, have thousands of manufacturers around the world who are choosing the ETL Listed Mark for speed, responsiveness, expertise, and in many cases significant cost savings.
Underwriters Laboratories (UL) is an independent product safety certification organization that has been testing products and writing standards for safety for more than a century.
National Sanitation Foundation (NSF) is the world leader in standards development, product certification, education, and risk-management for public health and safety.