Abstract: The invention relates to the electrotechnical industry. Said invention makes it possible to reduce the production cost of, and improve the quality of, gas-discharge reflector lamps. The inventive gas-discharge reflector lamp comprises a light bulb and a burner arranged on current leads into the bulb. At least one half of the bulb's internal surface is coated with a reflective layer in such a way that a plane crossing the parallel edges thereof is parallel to the longitudinal axis of the burner. The bulb is embodied in the form of an ellipsoid. In the area delimited by the bulb neck and dome, the transversal edges of the reflecting layer are located on the cross-sections where the bulb neck and dome gradually transform into the ellipsoidal section, The plane passing through the longitudinal edges of the reflecting layer are located from the bulb axis at a distance H and falls in the range of 0.04-0.11 of the bulb maximum diameter D.

Abstract: The invention relates to electrical engineering. The aim of said invention is to reduce the production cost of a lamp and to improve the quality thereof. The inventive lamp comprises a rotatable light bulb, a light source arranged therein, a socket consisting of internal and external components connected by a retainer, a latch for preventing the socket components from rotating into each other in the same direction and an insulator which is provided with contacting plate and fixed to the internal component of the socket. The retainer is made from a spring wire in the form of an open ring, and is located in a groove, which is embodied on the side surface of the insulator, and is placed on a curved end surface of the internal component of the socket.

Abstract: The invention relates to the electrotechnical industry. Said invention makes it possible to reduce the production cost of, and improve the quality of, gas-discharge reflector lamps. The inventive gas-discharge reflector lamp comprises a light bulb and a burner arranged on current leads into the bulb. At least one half of the bulb's internal surface is coated with a reflective layer in such a way that a plane crossing the parallel edges thereof is parallel to the longitudinal axis of the burner. The bulb is embodied in the form of an ellipsoid. In the area delimited by the bulb neck and dome, the transversal edges of the reflecting layer are located on the cross-sections where the bulb neck and dome gradually transform into the ellipsoidal section, The plane passing through the longitudinal edges of the reflecting layer are located from the bulb axis at a distance H and falls in the range of 0.04-0.11 of the bulb maximum diameter D.