An electrical connector includes a compression device defining an aperture and is configured to receive a first portion of a base row of wires and a first portion of a core of an electrical conductor within the aperture. An outer tube defines a central through hole and is configured to receive the compression device within the central through hole. A first end of the outer tube is configured to be compressed around the first end of the compression device, and a first portion of the core of the associated electrical conductor to create a compressed assembly. The compressed assembly is contiguous with a second portion of the base row of wires and a second portion of the core of the associated electrical conductor.