one cable entry at top with M 25 stub, one M 25 blind entry (can be cut out) at bottom, one M 20 entry (can be cut out) at the back side, for cables from 7 bis 13 mm Ø
to compensate for unequal heights, matching all Cepex surface mounted receptacles SCHUKO® as well as all Cepex CEE surface mounted 16 A and 32 A receptacles