Connector for the electrical and mechanical connection of two lights in a light strip having two or more such lights, - wherein the respective light has a straight-line and longitudinal supporting profile which has a profile base and two profile walls opposite to one another and connected to one another by way of the profile base, - wherein the respective light has moreover at least one straight-line and longitudinal current conducting rail (3, 4) which is arranged against the profile base in a profile inner space delimited by the profile base and the profile walls and which has several rail grooves extending parallel to the longitudinal direction and adjacent in the transverse direction and several electrical conductors which can be contacted in the rail grooves, - wherein the connector has a connecting body having two oppositely-situated connecting walls which can be plugged at the end faces into the supporting profiles of two lights which are immediately adjacent in the longitudinal direction, such that the connecting walls extend along the profile walls, - wherein the connector has a first plug pair which has two first plugs, which have respectively several contact elements having electrical contact zones, - wherein the contact zones of the one first plug are electrically connected via first cables with the contact zones of the other first plug, characterised in that - the first plugs on the connecting body are arranged to be displaceable in the height direction between an active position and a passive position, - when the first plugs are displaced into the passive position, the connector can be plugged at the end face into the supporting profiles of the adjacent lights in longitudinal direction, - when the connector is plugged into the supporting profiles of the two adjacent lights, when the first plugs are displaced from the passive position into the active position in the height direction, the contact elements of the first plugs engage into the rail grooves of the current conducting rails (3, 4) of the two adjacent lights, such that in the active position at least one of the contact zones of the one first plug electrically contacts at least one wire of the current conducting rail of the one light, while at least one of the contact zones of the other first plug electrically contacts at least one wire of the current conducting rail (3, 4) of the other light. - wherein the respective light has a straight-line and longitudinal supporting profile which has a profile base and two profile walls opposite to one another and connected to one another by way of the profile base, - wherein the respective light has moreover at least one straight-line and longitudinal current conducting rail (3, 4) which is arranged against the profile base in a profile inner space delimited by the profile base and the profile walls and which has several rail grooves extending parallel to the longitudinal direction and adjacent in the transverse direction and several electrical conductors which can be contacted in the rail grooves, - wherein the connector has a connecting body having two oppositely-situated connecting walls which can be plugged at the end faces into the supporting profiles of two lights which are immediately adjacent in the longitudinal direction, such that the connecting walls extend along the profile walls, - wherein the connector has a first plug pair which has two first plugs, which have respectively several contact elements having electrical contact zones, - wherein the contact zones of the one first plug are electrically connected via first cables with the contact zones of the other first plug, characterised in that - the first plugs on the connecting body are arranged to be displaceable in the height direction between an active position and a passive position, - when the first plugs are displaced into the passive position, the connector can be plugged at the end face into the supporting profiles of the adjacent lights in longitudinal direction, - when the connector is plugged into the supporting profiles of the two adjacent lights, when the first plugs are displaced from the passive position into the active position in the height direction, the contact elements of the first plugs engage into the rail grooves of the current conducting rails (3, 4) of the two adjacent lights, such that in the active position at least one of the contact zones of the one first plug electrically contacts at least one wire of the current conducting rail of the one light, while at least one of the contact zones of the other first plug electrically contacts at least one wire of the current conducting rail (3, 4) of the other light.