D & B Sand & Gravel Co Inc · Quemaduras por arco (eléctrico)
ELECTRICIAN WAS TESTING HIGH SIDE OF MAIN BREAKER IN PLANT ELECTICAL CONTROL TRAILER TO DTERMINE REASON WATER PUMP MOTORS WOULD NOT TURN ON WHEN BREAKER EXPLODED CAUSING INDIVIDUALS HANDS AND FOREARMS TO BE BURNED 600 AMP BREAKER BOX WAS BE