Most electrician use the height of an electrician's hammer to mark the bottom of an outlet box. That height is 18 inches.
The standard height for a bathroom outlet is typically around 48 inches above the finished floor level.
The standard height for a refrigerator outlet is typically around 4 to 6 inches above the finished floor.
The standard dimensions for an electrical outlet in the United States are approximately 2.75 inches in height and 1.5 inches in width.
I believe it to be about 12 inches at the minimum.
The standard dimensions for electrical sockets are typically 2.75 inches in height and 1.5 inches in width.
For a light switch in the home four foot to centre is a reasonable height. Some contractors set the outlet box at four foot to the bottom of the outlet box and other contractors set the box to four foot to the top of the outlet box. There is no code rule that stipulates the exact height that the outlet box must be set to.
There are no standard heights required for outside receptacles. Usually they are in accordance with the equipment that they are to supply voltage for. In areas that receive a high snow level they are positioned at a height so as to be accessible year round.
The standard amperage for a typical outlet is 15 or 20 amps.
The standard voltage of a wall outlet is 120 volts, and the standard amperage is 15 amps.
The standard voltage requirement for a dryer outlet is 240 volts.
A standard outlet in the United States is typically rated for 15 amps.
The recommended height for a washer outlet box is typically around 42 inches from the floor.