A screw terminal for electrical service apparatuses for connection of one or more conductors and/or busbars, consisting of - a box frame, - a terminal frame whose lower limb passes through the box frame, - a terminal screw whose shank can be plugged through the upper limb of the terminal frame and which can be screwed into the female thread of the box frame, characterised by a terminal frame which is formed by two angle pieces (1; 2) which engage in one another in a positively locking manner. <IMAGE>
