EE WAS PUTTING A COAL HAULER BATTERY ON CHARGE AT THE TIME OF THIS INCIDENT. HE HAD UNPLUGGED THE HAULER FROM THE CHARGER. HE WAS INT HE PROCESS OF PLUGGING THE CHARGE CABLE INTO A BATTERY NEE DING CHARGED. WHEN HE PLUGGED THE CHARGER CABLE INTO THE BATTERY THE CHARGER KICKED ON AND THE CHARGER CABLE PLUG SHORTED OUT AND ARCED CAUSING A BURN ON HIS HAND.