If you are setting box heights prior to the installation of the subfloor floor covering or any underlayment be sure to account for this expected height difference.
Outlet height from floor.
The national electrical code nec doesn t say much about the proper height of an electrical outlet above the kitchen floor or any floor for that matter.
There is no specification for outlet height from the floor.
The average height for outlets is 12 inches from the floor to the center of the outlet box.
Remodeling and upgrading home electrical wiring when upgrading home electrical wiring or remodeling the actual height can be adjusted so the elevations of the switches and outlets will match other existing outlets and switches.
From the kitchen floor the correct height of electric outlets should be about 43 inches.
Those requirements do not change thus they are the same for areas of circulation such as a hallway on 2019 12 09 by ssembalirwa timothy aquarius.
The standard height for wall outlet boxes is about 12 inches from the top of the floor covering to the bottom of the receptacle box or 16 inches to the top of the box.
While following the ada americans with disabilities act specifications when installing kitchen outlets is not a must have requirement it is still good to follow them in case you ever end up needing them for a disabled person in your family.
Some states such as california require this minimum height.
From such a receptaacle.