This 3000 Watt Modified Sine Inverter has a few unique features. First, the unit is ETL Listed and conforms to UL 458 Standards. The AIMS 3000 Watt also conforms to CSA Standard C22.2 No. 107.1-01. Canada. The inverter also includes a dual GFCI outlet as well as a direct connect AC terminal block, which is capable of delivering the full 3000 watts to a single source. The compact design is lightweight and durable, taking up less space in your work environment.