An ETL Listed mark indicates that the product has been tested to North American product safety standards by a Nationally Recognized Testing Laboratory (NRTL). A NRTL is an independent laboratory recognized by the Occupational Safety and Health Administration (OSHA). Like the UL mark, ETL is recognized and readily accepted by manufacturers, retailers, distributors, and Authorities Having Jurisdiction (AHJ). This certification demonstrates compliance with widely accepted safety standards and periodic follow-up inspections. Some of our units have UL listings, while others have ETL listings or CSA listings. UL is probably the most widely recognized testing certification in the US, but ETL is equally as accepted. A CSA listing is a Canadian certification, which also adheres to the same electrical standards and testing procedures. See links for more information on each: ETL, UL, CSA)
What are ADA guidelines?