Attachment 10922Attachment 10921 pressing down inside the 2 holes doesn't help the wires are still stuck inside..
Attachment 10922Attachment 10921 pressing down inside the 2 holes doesn't help the wires are still stuck inside..
These are spring cage terminal blocks, which are holding the cables with high pressure.
Carefully, try to push down with some extra force.
See also the picture here for a better understanding how this works: https://www.conrad.com/medias/global...B.EPS_1000.jpg