Aircraft passenger reading light , comprising: a light source arrangement having a plurality of rows of reading light sources , with each of the rows having a plurality of reading light sources for passenger-specific illumination of a plurality of seats of a seating row of an aircraft and with the plurality of rows having different illumination directions in a longitudinal direction (L) of the aircraft , wherein each of the plurality of reading light sources comprises a first electrical terminal and a second electrical terminal ; a first power supply connector and a second power supply connector for coupling the aircraft passenger reading light to an aircraft on-board power supply ; and a multi-state switching arrangement having a plurality of switching states; wherein the first power supply connector is coupled to the first electrical terminals of the plurality of reading light sources ; and wherein the second power supply connector is coupled to the second electrical terminals of the plurality of reading light sources via the multi-state switching arrangement , with each of the plurality of switching states permanently coupling the second electrical terminals of the reading light sources of a single one of the plurality of rows to the second power supply connector and permanently de-coupling the second electrical terminals of the reading light sources of the other rows from the second power supply connector ; characterised in that the switching state of the multi-state switching arrangement is set or changed only before the aircraft passenger reading light is installed within a passenger cabin of an aircraft or after the reading light has been de-installed from the passenger cabin or in maintenance procedures. a light source arrangement having a plurality of rows of reading light sources , with each of the rows having a plurality of reading light sources for passenger-specific illumination of a plurality of seats of a seating row of an aircraft and with the plurality of rows having different illumination directions in a longitudinal direction (L) of the aircraft , wherein each of the plurality of reading light sources comprises a first electrical terminal and a second electrical terminal ; a first power supply connector and a second power supply connector for coupling the aircraft passenger reading light to an aircraft on-board power supply ; and a multi-state switching arrangement having a plurality of switching states; wherein the first power supply connector is coupled to the first electrical terminals of the plurality of reading light sources ; and wherein the second power supply connector is coupled to the second electrical terminals of the plurality of reading light sources via the multi-state switching arrangement , with each of the plurality of switching states permanently coupling the second electrical terminals of the reading light sources of a single one of the plurality of rows to the second power supply connector and permanently de-coupling the second electrical terminals of the reading light sources of the other rows from the second power supply connector ; characterised in that the switching state of the multi-state switching arrangement is set or changed only before the aircraft passenger reading light is installed within a passenger cabin of an aircraft or after the reading light has been de-installed from the passenger cabin or in maintenance procedures. <EOS>