In article ,
Mike Gilmour wrote:
Not only mains plugs I've just selected two ring mains sockets at random
and one terminal was loose and the others could take a tightening. the
loose wire had not arced because the two conductors were twisted
together.

Twisting single strand mains cable is frowned on these days. With the
standard two cables into each ring main socket it isn't needed. For a
socket which is a spur, and therefore only one cable, I double over the
conductor.

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*Caution: I drive like you do.

Dave Plowman London SW
To e-mail, change noise into sound.