However the nec says nothing about the precise height that electrical wall switches must be.
Electrical switch box height.
The average height for light switches is 46 inches from the floor to the center of the switch box.
Positioning the wall boxes for switches is left up to the homeowner and the builder.
Electrical switches should be positioned to provide for.
Easy access to find and operate.
Installing electrical boxes for light switches and wall outlets.
Electrical code and box heights.
However your local electrical code is the ultimate voice with these matters.
Position the bottom of the box on that mark and fasten it to the stud.
Measure 2 inches under that mark and make another mark for the bottom of a standard 4 inch electrical box.
Installing electrical boxes for light switches.
The national electric code nec doesn t set forth a specific minimum light switch height but your local electrical code may prescribe its own standard you can usually find the electrical.
This is also true for counter top outlets in the kitchen and bathroom where switches and outlets are at the same height.
Although the national electrical code nec has many very precise regulations for most aspects of residential wiring it does not specify one height for standard wall outlets receptacles or for light switches.