VICTIM CONTACTED RACEWAY ENCLOSURE WITH WRIST AND RECEIVED ELECTRICAL BURNS WHERE HIS WRIST WATCH WAS. VICTIM RECEIVED MEDICAL TREATMENT WHERE 2ND AND 3RD DRGREE BURNS WERE DETERMINED. VICTIM SENT HOME FOR REMAINDER OF SHIFT. GROUND CONTINUITY CHECKS DONE 2 DAYS PRIOR. HOWEVER, LOOSE CONECTION FOUND IN RACEWAY.