Wire holder support

A wire-holder support insertable in a modular connector box to terminate a data communication twisted-pair cable where the wire-holder support (4) comprises a wire-holder casing (41) that includes an external contact face at the distal end of the cable and an admission face for twisted pair cable conductors; characterized in that the wire-holder casing (41) includes through admission cavities (21, 22, 25) extending from the admission face towards the external contact face, and whose number is equal to the number of twisted pairs of the communications cable, being distributed in three planes from a lower surface of the wire-holder casing (41) to an upper surface thereof; a lower plane close to the lower surface comprises an admission cavity (25) for the conductors of a twisted pair of the communications cable, an intermediate plane including two admission cavities (21) for the conductors of a twisted pair of the communications cable respectively and both intake cavities (21) are separated by the lower plane intake cavity (25); and an upper plane comprising an admission cavity (22) for the conductors of two twisted pairs of the communications cable.