A grid socket (often part of a grid system) is a modular electrical accessory designed to provide flexible, customized power or control solutions, primarily used in kitchens, modern homes, and commercial environments.Unlike a standard single-piece socket or switch, grid systems consist of individual components—modules (switches, sockets, fuses)—that clip into a metal frame (yoke) behind a single front plate.Here is what grid sockets and switches are meant for: