THE HALLAM ELEVATOR WAS OUT OF SERVICE FOR MORE THAN 30 MINUTES DUE TO THE POWER CABLE TO THE ELEVATOR CATCHING A WALL BRACKET & PULLING OUT OF JUNCTION BOX ON CAGE. 20 EMPLOYEE'S WERE ON THE ELEVATOR AT THE TIME. CABLE WAS REPLACED & GUARDWIRE INSTALLED TO KEEP CABLE AWAY FROM WALL BRACKETS. ELEVATOR WAS RETURNED TO SERVICE 11/11/04 AT 4:30 AM.