A mounting base is disclosed comprising: a base housing configured to retain an electrical connector at a first base housing end and a flexible shaft at a second base housing end, the base housing providing an electrical path between the electrical connector and a first electrical wire in the flexible shaft; a contact spring for providing an electrical connection to a power terminal on the electrical connector; a insulation sleeve enclosing the contact spring; a contact eyelet electrically attached to a second electrical wire in the flexible shaft, the contact eyelet in electrical contact with the contact spring; and a grounding collar disposed against an end of the flexible shaft, the grounding collar disposed within an interior channel in the second base housing end.