a socket comprises a base having a plurality of lower passageways each of which receives a contact which has an upper section extending upward beyond the base . a cover has a plurality of upper passageways each of which is in communication with one of the lower passageways and adjacent to a retention aperture which accommodates the upper section of the contact . the cover is movably engaged with the base so that when the cover is moved with respect to the base , each contact will be bent by the cover .