DC Hot Stick Developed for First Responder, Worker Safety (image) DOE/Oak Ridge National Laboratory Share Print E-Mail Caption The DC Hot Stick voltage probe can accurately detect the presence of DC voltages within a hybrid electric vehicle. Credit Carlos Jones, ORNL/Dept. of Energy Usage Restrictions None Share Print E-Mail 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.