EE TRIPPED OVER RAISED FLOOR GRATING WHILE TRACKING AN OVERHEAD ELECTRICAL CONDUIT LINE. AS THE EE STUMBLED HE GRABBED THE HANDRAIL WITH HIS ARMTO PREVENT FALL, STRAINING HIS LEFT SHOULDER. IN CIDENT WAS ORIGINALLY CLASSIFIED AS ""ALLEGED"" BUT WAS SUBSEQUENTLY RECLASSIFIED AS AN INDUSTRIALACCIDENT BASED ON FACTS RESULTING FROM A FORMAL INVESTIGATION OF THE INCIDENT.