CMI 270V 15A 125V AC Ivory Receptacle Duplex. Receptacles, commonly known as electrical outlets, provide the interface for plugging in and accessing electrical power for various devices and appliances. Outlets come in different configurations, including standard two- and three-prong outlets, as well as specialized outlets like GFCI (Ground Fault Circuit Interrupter) and USB-equipped receptacles, each designed to enhance safety or convenience.