Standard Switch Plates Regular Switchplates are a standard 4-1/2″ high and 5/32″ deep; width varies based on the number of gangs: One gang plates are 2-3/4″ wide. Two gangs are 4-9/16″ wide.Click to see full answer. Similarly, are light switches a standard size?The boxes, outlets, and switches are standard sizes. The only exception which comes to mind is that dimmer switches may require a larger than normal box for heat dissipation. Cover plates generally are the same size if they are the “standard size”. what is the standard height for light switches? Typically, light fixture wall switches in standard residential construction are set so that wall switch boxes are somewhere between 48 and 52 inches above the floor. There are a couple of advantages to this. First, it puts the switch at a comfortable height for most people in a standing position. Keeping this in consideration, what are the dimensions of a light switch plate? The Standard size plate is nominally 2.75 inches 4.5 inches, the Preferred size plate is nominally 3.13 inches by 4.88 inches and the Oversized plate is nominally 3.5 inches by 5.25 inches.What are the 4 types of switches? The types of switches are classified into four types namely: SPST (Single Pole Single throw) SPDT (single pole double throw) DPST (double pole, single throw) DPDT (double pole double throw)