THE EE WAS IN THE PROCESS OF CHANGING THE BATTERY ON HIS SCOOP AND BACKED INTO THE CHARGING CABLE. THE EE TURNED THE CHARGER OFF AND THEN TRIED TO UNPLUG THE CABLE FROM THE CHARGED SCOOP BATTE RY. THE PLUG ARCHED AND CAUSED 2ND DEGREE BURNS TO BOTH HANDS. THE EE WAS NOT WEARING METACARPAL GLOVES PROVIDED BY THE CO. THE EE RETURNED TO WORK HIS NEXT SCHEDULED SHIFT LIGHT DUTY.