A telecommunications cabling system, including: (a) an earthed support; and (b) at least one connection module mounted to the earthed support, including: (i) a housing for a plurality of electrical contact members, the housing having a plurality of recesses to receive wires of at least one shielded cable; (ii) at least one opening to receive an end of an electrical connector to place electrical contacts at the end of the electrical connector in direct or indirect electrical communication with at least some of the wires; and (iii) a shielding interface for the connection module; wherein the shielding interface is simultaneously contactable with shielding of the shielded cable, a corresponding shielding interface of the electrical connector, and the earthed support.