WHILE TROUBLE SHOOTING ELECTRICAL CIRCUIT ON CONTINUOUS MINING MACHINE EMPL'S FOREARM CONTACTED ENERGIZED 950 VOLT A.C. CIRCUIT. SUBJECT ELECTRICAL CIRCUIT WITH WHICH PERSONAL CONTACT WAS MADE WOULD NOT NORMALLY BE ENERGIZED HOWEVER ELECTRICAL CONTACTOR WAS STUCK IN MACHINES'S CONTROL PANEL. EMPL COULD NOT HAVE KNOWN THIS CONDITION EXISTED.
EMPL OPERATING MOBILE BRIDGE CARRIER IN BELT ENTRY STRUCK IN THE HEAD WITH 48" LONG PIECE OF ROOF BOLT DRILL STEEL.
EMPL HAD BEEN INSTALLING ROOF BOLTS IN #1 ENTRY. HE WAS DISCOVERED BY COWORKERS LYING ON BACK NEAR CONTROLS OF MACHINE & UNDER PERMANENTLY SUPPORTED ROOF. SECTION OF ROOF MEASURING 12'LONGX7.5 'WIDEX1" TO 12" THICK HAD FALLEN INBY PERMANENT ROOF SUPPORTS. THERE WAS NO ROCK ON VICTIM.
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