On 22 June, 23:22, Martin wrote:

Nowadays all mains sockets have shutters, which are particularly
effective with the UK design of plug. What I can't understand is the
regulatory insistence on additional childproofing devices.

Dutch mains sockets do not have shutters.

's queer, but some places have sprung lids over schuko connectors,
others have spring shutters in the pins, and others have nothing.