US Patent 8651892 Visual mating detector for electrical connector

The present disclosure describes a system for connecting two connectors to each other. The system includes a first connector having a first connector surface, and the first connector surface includes a transparent shape. Further, a second connector, having a second connector surface, includes a portion that includes a second connector color. Particularly, the second connector is configured to be inserted into the first connector, enabling a superimposition and alignment of the transparent shape with the portion of the second connector surface, thereby visually indicating a valid connection between the two connectors.