The receptacle located on the ground in the photo above is obviously not a good idea.
Recepictle outlet height from floor.
The nec has no official requirement concerning the height of a receptacle above any finished floor including the kitchen 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 average height for outlets is 12 inches from the floor to the center of the outlet box.
In basements garages and workshops it is often common to see them installed about 48 inches above the floor.
Those requirements do not change thus they are the same for areas of circulation such as a hallway.
But there is no minimum height requirement and additional receptacles beyond the two required can be higher than the six foot six inches maximum.
Todays inspection had receptacles installed about 48 inches above the floor in a bedroom.
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.
Seemed out of place.
Commonly recetpacles are installed 12 18 inches above floor height.
The americans with disabilities act on the other hand specifies 15.
The minimum height is 15 inches from the bottom of the receptacle box to the floor and the maximum height is 48 inches.
Not everyone follows the same guidelines.
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.
The required receptacles cannot be higher than six foot six inches 6 6.
Any floor receptacle within 18 inches of the wall counts the same as a wall outlet but it must be the proper kind of floor outlet and not a standard duplex receptacle.
There is no specification for outlet height from the floor.
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.
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.
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.