3-Pack 2 Prong Outlet Switch on Off, Plug-In Switch for Outlet, Black
The non-blocking design allows you to connect two outlet adapters into a standard duplex receptacle. Perfect for 2-Prong Devices: This single-port 2P plug with switch (NEMA 1-15P to NEMA 1-15R) is designed for use with 2-prong polarized cords.