Abstract: An unearthed two-pin electric plug is provided. To avoid the need for tools when wiring, the plug includes a blade (2,22,62) rotating about the axis of a hinge (1) which is parallel or perpendicular to the axis of the electric lead. In the two fullest embodiment of the plug, projections cooperate to split, set up connections and connect up the lead. In one embodiment, the inner surface of the lower plug portion includes a base (80) with grooves (71,72,73) engaged by tapered splitting portions (51,52,53) which push the two conductors of the leads sideways so that they slide over the base (80) and are caught on contact spikes (5) at almost the same time as said lead is cut by the central blade (62). The lead is held in position by a filler bar (50) and by the splitting portions (51,53) which drive the lead sideways so that it winds through recesses (81,83).