Two emp. were caging up #5 shaft from 850 level to surface @ 5:29 am, as the cage started moving to surface, power tripped out for #5 hoist shaft at MOS #3 sub. The two emp. were in the cage between 850 level & 700 level landing until power was restored at 8:00 am. After resetting power at the MOS #3 sub, safety checks were made & the emps were hoisted to the surface @ 8:15 am.