The SmartPlug 30 Amp Inlet and Connector, from SmartPlug Systems, passed all required testing for product safety certification by Intertek Testing Services and are now listed as ETL-certified products, the company announced.

The ETL Listed Mark is proof of a product's compliance with U.S. and Canadian safety standards.

Like Underwriters Laboratories, Intertek is an Occupational Safety and Health Administration-recognized testing laboratory and is accredited as a testing organization and certification body by the Standards Council of Canada.