US to Europe Plug Adapter: Compatible in most European countries such as Austria, Belarus, Belgium, Croatia, Denmark, Finland, France, Germany,Greece, Hungary ...

Europe to US Plug Adapter: This international plug adapter can be used to connect Type C/E/F plugs from Europe (such as Belgium, Finland, France, Germany, Greece, Netherlands, Norway, Poland ...

So if your plug won't work because it's too loose, then try a European or UK adapter and see if you have better luck like I ...