An extendable conveyor for conveying articles, comprising a base unit, at least one mechanically extendable section supported in a cantilevered manner and selectively positionable relative to the base unit, and a conveying surface for conveying articles extending at least partially on an upper side of the at least one mechanically extendable section, wherein one of the at least one mechanically extendable section is an outmost mechanically extendable section characterized in that the extendable conveyer comprises at least one multi-connector system, the at least one multi-connector system comprising at least one multi-connector, the multi-connector comprises: a standardized mechanical connection section for mechanically attaching an external component, a fastening section (16a, 16b) fastened to the extendable conveyor, and a standardized functional connection section providing at least one of an electric and vacuum supply for the external component, wherein the standardized mechanical connection section is adapted to counteract at least one of a gravitational force exerted by the attached at least one external component and a rotational force exerted by the attached at least one external component; and a plurality of external components, each external component (14, 26, 36) comprising: a component holder (13, 27, 38, 40) holding at least one component (14, 26, 36), and at least one component connector (8, 28, 37) adapted to be connected to the at least one multi-connector, wherein the component holder (13, 27, 38, 40) includes the at least one component connector (8, 28, 37), wherein the at least one component connector (8, 28, 37) includes a standardized mechanical connection section adapted for being connected to the standardized mechanical connection section of the multi-connector and wherein the at least one component connector (8, 28, 37) includes a standardized functional connection section adapted for being connected to the standardized functional connection section of the multi-connector, wherein said component (14, 26, 36) is one of: light, fan, vacuum lifting system, heater, cooler, electric tools, speakers, and wherein at least one of the plurality of external components has a component (14. 26, 36) different than the component(s) of the other(s) external component(s). a standardized mechanical connection section for mechanically attaching an external component, a fastening section (16a, 16b) fastened to the extendable conveyor, and a standardized functional connection section providing at least one of an electric and vacuum supply for the external component, wherein the standardized mechanical connection section is adapted to counteract at least one of a gravitational force exerted by the attached at least one external component and a rotational force exerted by the attached at least one external component; and a plurality of external components, each external component (14, 26, 36) comprising: a component holder (13, 27, 38, 40) holding at least one component (14, 26, 36), and at least one component connector (8, 28, 37) adapted to be connected to the at least one multi-connector, wherein the component holder (13, 27, 38, 40) includes the at least one component connector (8, 28, 37), wherein the at least one component connector (8, 28, 37) includes a standardized mechanical connection section adapted for being connected to the standardized mechanical connection section of the multi-connector and wherein the at least one component connector (8, 28, 37) includes a standardized functional connection section adapted for being connected to the standardized functional connection section of the multi-connector, wherein said component (14, 26, 36) is one of: light, fan, vacuum lifting system, heater, cooler, electric tools, speakers, and wherein at least one of the plurality of external components has a component (14. 26, 36) different than the component(s) of the other(s) external component(s). a component holder (13, 27, 38, 40) holding at least one component (14, 26, 36), and at least one component connector (8, 28, 37) adapted to be connected to the at least one multi-connector, wherein the component holder (13, 27, 38, 40) includes the at least one component connector (8, 28, 37), wherein the at least one component connector (8, 28, 37) includes a standardized mechanical connection section adapted for being connected to the standardized mechanical connection section of the multi-connector and wherein the at least one component connector (8, 28, 37) includes a standardized functional connection section adapted for being connected to the standardized functional connection section of the multi-connector, wherein said component (14, 26, 36) is one of: light, fan, vacuum lifting system, heater, cooler, electric tools, speakers, and wherein at least one of the plurality of external components has a component (14. 26, 36) different than the component(s) of the other(s) external component(s).