Safety Innovations Twin Door Baby Safety Outlet Cover Box for Babyproofing Outlets - More Interior Space for Extra Large Electrical Plugs and Adapters - Easy to Install - Easy to Use, (1-Pack)

I had to get one of these for in the nursery because my son kept unplugging things 😅

Just in case you can't turn off the breaker/cap it, my wife bought this for our auto cat feeder cord our kid immediately started messing with after walking: https://a.co/d/08Cb9uwx