Wall plates available on DataPro's Plate Creator use Box Mount screw hole spacing of 3.281" (8.33cm). When using one in conjunction with light switches or Decora inserts, we recommend the following method of assembly:
American-style Wall Plates (also known as Switch Covers or Outlet Covers) are typically a standard height (4.5" - 11.43cm), and come in a range of widths, measured in "gangs." For example a single light switch or outlet would be "single gang," while a two or three unit would be two-gang or three-gang.
Gang plates are made to fit one of three sizes of screw hole spacing:
Box Mount:
Attaches directly to a Gang Box.
Mounting hole spacing is 3.281" (8.33cm).
Strap/Decora Mount:
Attaches to an intermediary component such as a Decora style insert that attaches to the Gang Box
Mounting hole spacing is 3.812" (9.68cm).
Device/Light Switch Mount:
Attaches to an intermediary component such as a light switch that attaches to the Gang Box
