In article ,
Jim GM4DHJ ... wrote:
just figured out what the two extra holes are just below the earth
terminal of a double 13A socket I bought at a car boot sale ......

Just curious why anyone would buy a socket at a boot sale.

Especially one who rather obviously doesn't know what he's buying.

--
*Growing old is inevitable, growing up is optional

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