ooops, I missed that .
The Walker boxes that you will use, have some rather misleading info in their catalog, I am guessing you have picked out the one that states it is for wood floors........, I made the same mistake in a church with those same boxes,.
They are indeed for wood floors , just not wood FINISHED floors, you cannot adjust the "carpet ' flange snug against the wood without recessing the box into your table ....of in my case the...I cannot recall the correct name of the part of the church where the altar rest ... steps .. I had 56 boxes to install .
We decided to mount the boxes onto the subfloor, and ordered longer adjusting screws from Walker ( at a $1 a piece)to allow the brass flange to rest on the 3/4' finished floor....it was a real PITA
