Yes, the JuiceBox is UL certified. You can find our certification here and then search for File E472596.
You can buy the UL certified JuiceBox in our webstore. The JuiceBox Pro 40 is also CE, NEMA, and SAE compliant, and EESS rated.
For permitting purposes, the JuiceBox is rated as a plug-in device, meaning that the subject of permitting is the NEMA plug connection. As long as the outlet (receptacle) is UL listed and installed by a licensed electrician, JuiceBox is compliant for permitting purposes.