While performing troubleshooting on a 600-volt motor control center (MCC), an electrician was exposed to an arc flash
Voltage tests were being performed in a bucket of the MCC with a multi-meter that had the test lead connected to the amperage port and an underrated fuse. When connected to the 600-volt source, the multi-meter shorted, leading to an arc flash. The arc flash caused burns to the face and hands and pushed the…...