A loss proof general purpose terminal for forming electric connections by clamping between two conducting elements, comprising a connection area disposed at the bottom of a recess formed in an insulating material body and having a central tapped bore, a clamping screw for screwing into said bore and a stirrup portion mounted so as not to be lost under the head of the screw. It further comprises, guided inside the recess a stirrup-plate having a threaded bore through which said screw is screwed. This stirrup-plate comprises two diametrically opposite lateral projections extending at right angles and whose ends are bent back inwardly and extend partially into the passage zone of said stirrup portion.