AN EMPLOYEE WAS OPERATING END LOADER IN AREA OF HOIST ROOM AND CAUGHT OVERHANGING MESSENGER WIRE WITH BUCKET AND PULLED DOWN. SEVERAL WIRES LOOSE IN YARD AND HOIST ROOM. AT 5:30 PM POWER WAS TURNED OFF AND WIRES OUTSIDE RE-HUNG. WHILE OFF, USED SLOPE HOIST. POWER BACK ON 11:30 PM. NOTIFIED MSHA & STATE OF IL BY PHONE 4/5/05.