Many aspects of electrical wiring installation have very specific guidelines set forth by the national electrical code nec and local building codes.
Electrical switch box height.
As a result heights are often a matter of convention or preference.
Installing electrical boxes for light switches and wall outlets.
Installing electrical boxes for light switches.
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.
Positioning the wall boxes for switches is left up to the homeowner and the builder.
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.
This is also true for counter top outlets in the kitchen and bathroom where switches and outlets are at the same height.
Electrical switches should be positioned to provide for.
Electrical code and box heights.
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.
However your local electrical code is the ultimate voice with these matters.