A replaceable lamp header includes a base member and an annular lamp
engaging protrusion extending from a first surface of the base member, at
least two positive and negative source connections disposed on lateral
portions of the base member, a positive and a negative lamp connection
coupled to the annular lamp engaging protrusion, and electrical
interconnects coupling each of the positive source connections to the
positive lamp connection and coupling each of the negative source
connections to the negative lamp connection.