Electrical code and box heights.
Electrical switch box height.
Position the bottom of the box on that mark and fasten it to the stud.
However the nec says nothing about the precise height that electrical wall switches must be.
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.
The average height for light switches is 46 inches from the floor to the center of the switch box.
Measure 2 inches under that mark and make another mark for the bottom of a standard 4 inch electrical box.
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.
However your local electrical code is the ultimate voice with these matters.
Electrical switches should be positioned to provide for.
Easy access to find and operate.
Many aspects of electrical wiring installation have very specific guidelines set forth by the national electrical code nec and local building codes.
Positioning the wall boxes for switches is left up to the homeowner and the builder.
As a result heights are often a matter of convention or preference.