"Making larger panel cover easier to access:"

There is an easier way to remove and replace large panel covers. First, drill out a panel cover and drill and tap the flange of the back box. Then run a bolt through the top cover hole from the back of the flange. This gives a stud to help keep the cover in place while installing the mounting screws. Use a wing nut on the stud to secure the top of the cover. This works on surface or flush panels. In most cases, 1/4" bolts can be used. Larger covers may require 3/8 bolts.
Universal "screen door" type handles are also a great help. Bolt the bottom on a horizontal plane and mount the top vertically. On larger MDP-type panels, you may need to use four handles in order to allow two people to remove or replace the panel covers.

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