C&E CNE41459 Decora Wall Plate Insert, Dual VGA Couplers, HD15 Female, White It's used to build a clean bridge between in-wall cable runs and their origin and destinations This particular insert converts in-wall cabling to devices in the following situations Conversion from in-wall VGA cables to a computer/laptop or other VGA source Conversion from a VGA destination to in-wall wiring UL/CSA approved, color black