The Nucleofector II was tested by TÜV Rheinland product safety GmbH and found to be in compliance with the following standards: IEC 61010-1:2001 (2nd edition) and EN 61010-1:2001 (2nd edition). TÜV Rheinland of North America Inc. tested the Nucleofector™ II and certified the device according to the standards: UL 61010-1:2004 (USA) and CAN/CSA C22.2 61010-1:2004 (Canada)