How do I install this in an old construction wall? If I cut 4" wall hole, exterior tabs won't even fit thru the hole. What would hold box in place?

Question

How do I install this in an  old construction wall? If I cut 4" wall hole, exterior tabs won't even fit thru the hole. What would hold box in place?

Scotthpdx · Answer

The description above says old work.  So needs editing

Hubbell Product Expert · Answer

This box was intended for surface mount only and is not designed for old work applications.