Proper Height Off The Floor For Outlets
The average height for light switches is 46 inches from the floor to the center of the switch box.
Proper height off the floor for outlets. This is also true for counter top outlets in the kitchen and bathroom where switches and outlets are at the same height. Not everyone follows the same guidelines. Installing electrical boxes for outlets. There is no danger to installing 15 amp outlet receptacles on a 20 amp circuit in fact this is the standard practice but under no circumstances should a 20 amp receptacle be installed on a 15 amp circuit.
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. In rare instances outlets are still installed in baseboards and in the floor with proper box covers. 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. A common height for a wall outlet is between 12 to 18 inches aff above finish floor.
A 20 amp receptacle is designed to accept the special plug on heavier use appliances and if such an appliance plugs into a 15 amp circuit there is a danger of drawing too much power and. The height of the outlet should be high enough to clear the built in backsplash on the countertop but no higher than 18 inches from the top of the countertop work surface. The national electric code doesn t establish a minimum standard outlet height in the basement or in any other part of the house but the rule of thumb followed by most electricians is to place the outlets 16 to 18 inches above the floor. If the floor is unfinished add the thickness of the floor.
Measure 48 inches from the floor with a tape measure and make a mark on the wall or the stud for the center of the box using a pencil. 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. Depending on local codes outlets that are mounted at the higher end of this range may need more frequent spacing along the length of the countertop. 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.
Why are some outlets in the bedrooms six feet off the floor in my 1942 house by the windows. Height of wire passage hole through studs above where electrical receptacles will be installed. Some states such as california require this minimum height.