USB Wall Socket Mounting box Electrical plug junction back box Universal Wall Socket 146mm*86mm Mounting box - AliExpress
Amazon.com : Baby Safety Outlet Cover BOX [Patent Pending] Double Lock for Much Better Toddler Proofing, Easier Operation, Simple 3 Step Install with Included Screws. Provides Extra Space Inside for Plugs,Adapters :
2867-BOX | Eaton straight blade plug | Eaton
S-Box™ Pop Up Power Sockets - Available in a wide range of international sockets.