In-Line Connectors (IMAGE) DOE/Sandia National Laboratories Caption Sandia National Laboratories researcher Kenny Armijo uses an arc-fault generator that was developed by researchers to determine how dangerous arc-faults are. Credit Photo by Bret Latter, Sandia National Laboratories Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.