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 box height from floor.
The average height for outlets is 12 inches from the floor to the center of the.
The average height for light switches is 46 inches from the floor to the center of the switch box.
You have a standard height of 16 to the top of the outlet box and a standard height of 48 to the top of the switch box.
Workstation connection for raised or concrete floors.
This is also true for counter top outlets in the kitchen and bathroom where switches and outlets are at the same height.
48 maximum height to top of outlet box california 54 maximum high side reach ada 5 6 maximum above floor level for receptacles meeting the 6 horizontal spacing rule nec 210 52 4.
50 mm reduced height floor boxes 16 modules.
Vertical wiring device positioning.
The ada also establishes guidelines for the placement of outlets above counters and in other places that are hard to reach for people confined to wheelchairs.
California also sets a maximum height 48 inches to the top of the box the same as required by the ada.
For example in canada the center of the receptacle box must be at least 14 inches above the floor and in california the bottom of the box must be at least 15 inches above the floor.
Electrical receptacle outlets on branch circuits of 30 amperes or less and communication system receptacles shall be located no more than 48 inches 1219 mm measured from the top of the receptacle outlet box nor less than 15 inches 381 mm measured from the bottom of the receptacle outlet box to the level of the finished floor or working platform.
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.
The minimum height is 15 inches from the bottom of the receptacle box to the floor and the maximum height is 48 inches.
In rare instances outlets are still installed in baseboards and in the floor with proper box covers.
A common height for a wall outlet is between 12 to 18 inches aff above finish floor.
For raised or screed floor betwen 50 and 70 mm.
To be used with backbox cat no 0 880 73 in concrete floors or with insulation box cat no 0 880 71 in raised floors supplied with cover for carpet.
Spec homes generally get standard height and custom homes usually get standard height as well unless other wise.
Then there are custom heights in which different company use accordingly to the home owner or builder.