Standard Light Switch Box Dimensions

As for the outer edges of the plates these are pretty close but actually can differ by as much as 1 4.

Standard light switch box dimensions. Shop for light switch plates in all sizes colors and finishes. Position the bottom of the box on that mark and fasten it to the stud. This is kyle switch plates light switch cover reference page where you ll find information on 400 sizes terminology and faq s. The standard dimensions are for the switch itself which will include the hole for the switch and the ability to be screwed on the top and bottom of the switch.

When mounting a light switch over a countertop for example in an indoor or outdoor kitchen an art studio or a craft room reduce the standard wall mounting height to 40 inches. The height from the floor to the middle of the switch plate should not exceed 48 inches and the minimum height should not be less than 15 inches. When the switch is over a counter that has a knee space and the counter depth exceeds 20 inches the maximum height of a switch is reduced to 44 inches. A standard rectangular shape is the most common electrical box.

It houses a single electrical switch or outlet and comes in metal or nonmetallic units. Kyle switch plates stocks the largest selection of switch plate sizes on the web so you can find the wall plate you need. They provide much more room for wiring than shallow round pan boxes and can be used as junction boxes. If the counter has no knee space the counter width shouldn t exceed 24 inches and the.

Metal boxes are suitable for surface mounted installations using metal conduit. Different electrical box sizes fit varying installation needs. This has no effect unless you are putting the outlet in a really tight space. Measure 2 inches under that mark and make another mark for the bottom of a standard 4 inch electrical box.