A support base assembly for providing an electrical connection between a detachable electrical accessory and a support base in a furniture, comprising: the support base comprising: a connector hub having a top end, a bottom end spaced apart from the top end, and a chamber wall extending between the top end and the bottom end and defining a chamber, a power interface set positioned in the chamber, wherein a maximum outer diameter of the power interface set is less than an inner diameter of the chamber such that an annular support gap is defined between the power interface set and the chamber wall; wherein the power interface set includes a connector formed on an electrically conductive top end; characterized in that the support base assembly further comprises: a flange radially extending from the top end of the connector hub, having an upper surface comprising a flange groove with a flange groove wall, a cover plate coupled to a top end of the connector hub, the cover plate having a cover plate hole axially aligned with the chamber and with the power interface set, wherein the connector formed on the electrically conductive top end is adjacent the cover plate hole, wherein a flange slot formed on an outer edge of the flange, wherein the cover plate comprises a fastening mechanism, and the fastening mechanism is mechanically secured within the flange slot such that the cover plate is coupled to the flange, and a baffle positioned in the flange groove formed in said upper surface of said flange; and a baffle spring positioned between the baffle and said flange groove wall of the flange, wherein the baffle spring is moveable between an uncompressed state and a compressed state. a connector hub having a top end, a bottom end spaced apart from the top end, and a chamber wall extending between the top end and the bottom end and defining a chamber, a power interface set positioned in the chamber, wherein a maximum outer diameter of the power interface set is less than an inner diameter of the chamber such that an annular support gap is defined between the power interface set and the chamber wall; wherein the power interface set includes a connector formed on an electrically conductive top end; characterized in that the support base assembly further comprises: a flange radially extending from the top end of the connector hub, having an upper surface comprising a flange groove with a flange groove wall, a cover plate coupled to a top end of the connector hub, the cover plate having a cover plate hole axially aligned with the chamber and with the power interface set, wherein the connector formed on the electrically conductive top end is adjacent the cover plate hole, wherein a flange slot formed on an outer edge of the flange, wherein the cover plate comprises a fastening mechanism, and the fastening mechanism is mechanically secured within the flange slot such that the cover plate is coupled to the flange, and a baffle positioned in the flange groove formed in said upper surface of said flange; and a baffle spring positioned between the baffle and said flange groove wall of the flange, wherein the baffle spring is moveable between an uncompressed state and a compressed state. a flange radially extending from the top end of the connector hub, having an upper surface comprising a flange groove with a flange groove wall, a cover plate coupled to a top end of the connector hub, the cover plate having a cover plate hole axially aligned with the chamber and with the power interface set, wherein the connector formed on the electrically conductive top end is adjacent the cover plate hole, wherein a flange slot formed on an outer edge of the flange, wherein the cover plate comprises a fastening mechanism, and the fastening mechanism is mechanically secured within the flange slot such that the cover plate is coupled to the flange, and a baffle positioned in the flange groove formed in said upper surface of said flange; and a baffle spring positioned between the baffle and said flange groove wall of the flange, wherein the baffle spring is moveable between an uncompressed state and a compressed state.