The reason is because the power ports on the plane can fit a ... 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 did ...

not work in UK/Ireland/Scotland 3 in 1 Inputs European Plug Adapter: This adapters for European outlets accept the standard N American 2 or 3 prong flat pin plug, max capacity up to 2500 watt (max ...