A Nationally Recognized Testing Laboratory (NRTL) is an independent organization that certifies products for the U.S. market. NRTLs are recognized by the Occupational Safety and Health Administration (OSHA) under Federal Code 29 CFR 1910.7 for products to be used in United States workplaces. The NRTL certificate provides clear evidence that your electrical and electronic products comply with the required standards of the U.S. market. NRTL certification enables to reach hundreds of millions of consumers fast.