Abstract: A spot-light reflector structure is made up of two reflector bodies, a main reflector body and an auxiliary reflector body both of which have a shape which is, in part, that of a paraboloid of revolution. Both reflector bodies are arranged in coaxial relation. The main reflector body has a central aperture and is nonparabolic in the region around said aperture. The auxiliary reflector body is arranged inside of the main reflector body and has an upper portion which is substantially hemispherical and has a central aperture which is arranged in coaxial relation to the central aperture of the main reflector body. The central aperture of the auxiliary reflector body is surrounded by a tubular extension which forms preferably an integral part thereof and which is in the shape of a paraboloid of revolution of considerably smaller size than that of the main reflector body.

Abstract: A connector for installation in a C-shaped track to support a lamp onto the track and make electrical connection between the lamp and conductors within the track, including a connector housing with a narrow head which fits through a slot in the track, so that when the connector is turned the head locks into the track and a pair of contact elements are then pressed against the conductors of the track. A knob on the base of the connector housing, is automatically depressed, to retract the contact elements, prior to the connector turning to its locked-in position. When the connector becomes fully turned, the knob springs up into the slot of the track and thereby causes the contact elements to move out and against the conductors of the track.