Since 2016 only Type 13 sockets with a recessed socket hole may be brought onto the market. [1] [1] https://en.m.wikipedia.org/wiki/SN_441011#Structure_of_the_

Since 2016 only Type 13 sockets with a recessed socket hole may be brought onto the market. [1] [1] https://en.m.wikipedia.org/wiki/SN_441011#Structure_of_the_Standard https://en.m.wikipedia.org/wiki/SN_441011#Structure_of_the_S...