A KEY HAD FELL THROUGH A SMALL HOLE IN THE TOP OF A SWITCH BOX. WHEN THE EE DISENGAGED THE SWITCH BOX IT ARCH. THE FLASH CAUSED HIS RIGHT HAND, ARM, AND FACE TO SUSTAIN FIRST DEGREE BURNS. EE WAS TRAINED IN PROPER LOCKOUT PROCEDURES. HE WASNOT FOLLOWING THEM AT THE TIME OF THE ACCIDENT.