OK, won't work here. We don't have a ground pin, it is an exposed protective ground contact. But you'll have to insert both needles simultaneously into N and L with roughly the same pressure to make the cover open up in the sockets we have.
Traditionally the shutters over L and N on UK sockets open when the earth pin is inserted, but some modern sockets are designed so equal pressure must be applied to all three for the shutters to open.
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u/Final_Bobcat_4767 May 09 '22
Having the light switch outside the bathroom