Iv heard loads of horror stories about normal 3 pin sockets warping cracking etc that's why I'd be more comfortable using the thicker cable. The run from CU to socket position is only about 3 metres.2.5 T&E on a 16A RCBO will be fine. I charge my EV overnight on an outdoor 13A socket, charge rate set at 10A, it doesn't even get warm.
Iv heard loads of horror stories about normal 3 pin sockets warping cracking etc that's why I'd be more comfortable using the thicker cable. The run from CU to socket position is only about 3 metres.
Yes I would only ever get a EV marked socket nothing elseThe cable size won’t stop cheap sockets from over heating BUT a proper EV point would