An electrical connection assembly includes a plurality of primary electrical conductors, a secondary electrical conductor, and an electrical connector. The electrical connector includes: a first connector body including an exterior conductor seat channel; a second connector body coupled to the first connector body such that the first and second connector bodies collectively form an axial through passage; a primary clamping mechanism on at least one of the first and second connector bodies; and a secondary clamping mechanism on the first connector body. The secondary connector extends through the exterior conductor seat channel and is clamped therein by the secondary clamping mechanism. The primary conductors extend through the axial through passage and are clamped therein by the primary clamping mechanism to the first and second connector bodies and to one another to mechanically and electrically connect the primary and secondary conductors.