However, the NEC says nothing about theprecise height that electrical wall switchesmust be.
Positioning the wall boxes for switches is left up to the homeowner and the builder.
There are a couple of advantages to this.
The Spruce / Ellen Lindner
First, it puts the switch at a comfortable height for most people in a standing position.
Second, it makes for easy installation of wallboard during home construction.
Carpenters installing wallboard can easilycut openings in the panelsto fit around the switch box.
Generally speaking, wall switches should be about 4 inches above the countertop.
This allows the switch to clear a standard countertop.
Furnace Disconnect Switches
Switches used for furnace disconnects can also vary in height.
Setting this height is a judgment call, and it depends on the layout of the furnace.
Very often this switch is positioned a bit higher than the standard 40 to 52 inches.
If the switch is located under the sink, set it as high as possible to minimize stooping.
wise to check with your local permitting office in case they have their own guidelines.
This will make it easiest to control the light when entering and exiting the room.
Guide to ADA Accessibility Standards.
Swimming Pool, Hot Tub, Building Permit app Procedures and Checklist.
Town of Portland Code Enforcement Office.
