There are many types of light fixtures. These include recessed fixtures, surface mounted fixtures, track-light fixtures and the like. These lighting fixtures may also include chandeliers, ceiling lights, wall lights or sconces, and may include other systems such as ceiling fans which may include lights. They may utilize incandescent lamps, fluorescent lamps, metal halide lamps and others. Lighting fixtures generally can be grouped into two different categories, an indirect lighting fixture and a direct lighting fixture. Direct lighting fixtures are designed to emit light directly at a particular object or area. Indirect lighting fixture is a fixture that is designed to be placed at an obscure location and emit light at that obscure location. Indirect lighting is widely recognized as the best type of lighting as it provides even illumination without the glare of direct illumination from the light source. Indirect lighting which resembles lumination from a skylight is the most desirable type of lighting. With indirect lighting is that the source of light, the point of lumination, is never visible. The lack of glare is one of the prime benefits of indirect lighting. The even distribution of the lighting is also a major benefit. Generally in conjunction with houses and buildings, indirect lighting fixtures may be mounted adjacent a ceiling with light to be emitted at the ceiling. Indirect lighting through skylights can be focused on a specific area by the size of the skylight and the distance between the roof and the ceiling where the skylight is located. Also, it is known to construct an indirect lighting fixture to be located at a corner where two vertical walls of the house or building join. Typical light fixtures may include a plurality of bulbs and decorative appendages that require replacement, cleaning and maintenance from time to time. Light fixtures found in indoor industrial, commercial, and retail settings typically consist of a housing and a lamp assembly. The housing holds within it the power components needed by the fixture to operate such as the ballast and the capacitor. The lamp assembly often may consist of a lamp socket, a lamp or light source mounted to the socket, and a reflector or refractor to distribute the light from the lamp.

Fluorescent light fixtures, sometimes termed "luminaires", are widely used in industrial, commercial, retail, institutional and office applications. Lamp fixtures for compact fluorescent lights include compact fluorescent lights that are canted outwardly toward the concave walls of the lamp fixture. Heat dissipation is a particular problem for such lamp fixtures, particularly when amalgam compact fluorescent lights are utilized. The compact fluorescent light bulbs typically have a longer operating life than an incandescent light bulb, and therefore, are desirable for use in standard light fixtures. Fluorescent lighting is generally used in indoor applications for both ambient and task lighting. Tubular fluorescent fixtures and lamps are preferred for ambient lighting in large indoor areas because their low brightness creates less direct glare than do incandescent bulbs, and because fluorescent lighting is about three to four times as energy efficient as incandescent lighting. A typical fluorescent light fixture has an elongated housing, usually made of metal or plastic with a downwardly opening elongated cavity in which is carried one or more tubular fluorescent lamps for emitting light below the fixture. The upper portion of the cavity may be painted or covered with a reflective surface and/or provided with reflectors so as to reflect some of the upwardly emitted light from the fluorescent lamps in a downward direction. A lens may be attached to the housing below the fluorescent lamps and may be designed so as to distribute the light from the fluorescent lamps in a more even manner, hide bare lamps from view or provide protection from breakage and contaminates. Fluorescent lighting in the form of lensed fluorescent troffer lighting fixtures provides acceptable lighting solutions in office environments as well as in other task lighting applications. In most cases, fluorescent light fixtures are designed for best efficiency at a particular elevation above the area where the light is to be provided. Such linear fluorescent lighting fixtures are designed to be suspended from ceilings or wall mounted and to produce ambient lighting within an architectural space in the form of indirect lighting, direct lighting, or a combination of direct and indirect lighting. Another form of indirect fluorescent lighting utilizing internal reflection mounts on or in a wall or ceiling in a manner that conceals the tube but projects a wash of light onto a ceiling or wall via a specially-shaped reflector.

Recessed lighting fixtures have been known for several decades. Recessed light fixtures are becoming increasingly popular because of their numerous inherent advantages in both indoor and outdoor lighting installations. A major advantage of recessed light fixtures is their ability to provide light in locations where light fixtures have traditionally not been located because they might create an obstacle in a traffic area or because they might detract from the desired visual impact of the area. Recessed light fixtures provide direct illumination to a workspace while concealing the lamp, internal components (sockets, wiring, junction boxes, ballasts, temperature switches, etc.) and mounting hardware of the fixture behind the plane of the mounting surface, usually a ceiling. With the addition of specialized optics, recessed light fixtures can achieve effects such as wall washing and accent lighting. Typically, recessed lighting may be located in areas such as walls, ceilings, hallways, walkways, retaining walls and nearly any other location desired. A typical recessed lighting fixture includes a frame, a reflector, a junction box and structure for attaching the frame to the ceiling. The frame includes an opening through which the reflector is inserted to direct light to an area below the lighting fixture. The reflector may be a wall-wash reflector or a down-wash reflector. The wall-wash reflector directs the light down at an angle away from the lighting fixture. The down-wash reflector directs the light down from the lighting fixture. Different mechanisms can be used to retain the reflector in the frame. Recessed lighting fixtures typically are mounted in the space above the ceiling of a room with the light projecting from the ceiling to illuminate the room below. To cover the hole and provide an attractive decorative finish, a trim ring usually is mounted to the fixture or the fixture's housing and pulled flush to the lower surface of the ceiling. Recessed lights for use in both residential and commercial structures are typically installed during construction of the structure. Usually bar hangers are secured to parallel rafters and a plaster frame is supported by the bar hangers. A cylindrical housing is mounted on the plaster frame. A junction box is connected to the housing. A lamp receptacle is mounted inside the housing. A baffle and a trim ring are mounted in the housing. A lamp is mounted in the receptacle and is positioned in line with the baffle.

Recessed wall-mounted light fixtures are commonly used in environmental lighting systems to illuminate walking surfaces adjacent a vertical surface. Such fixtures can be positioned to enhance safety in dark or shadowed areas and are particularly helpful for use near stairs or uneven surfaces. Recessed wall wash light fixtures are designed to project light from a recessed ceiling fixture located close to a wall at a range of angles to illuminate the wall from the ceiling to the floor. Since the lamp in such a fixture is recessed in the ceiling, the wall wash effect requires light from the lamp to be directed downwardly and outwardly in the direction of the wall. These functions are generally achieved through the use of kick reflectors and lenses. Typical ceiling mounted recessed lighting fixtures generally include a frame with means for securing the frame to structural supports for a ceiling. The frame of the lighting fixture generally includes holes or brackets through which fasteners are used to position and attach the fixture to the supports. A recessed in-grade light fixture can be used to illuminate a path along the ground and the area near the path. In an in-grade light fixture, all or part of the light fixture being located in the ground at or slightly above the level of the ground surface, whether earth or covered ground surfaces such as concrete, asphalt, wood or the like. Typically, these light fixtures are used to illuminate walls, columns, flags, trees, signs and other objects. The in-grade light fixture housing is designed to have the conduit attach to the housing at a junction box compartment that is located at or near the bottom of the housing or to the side of the housing. An in-grader light fixture has a glass lens component which is attached to the top of a housing that contains the various electrical components that are used to power and operate the lamp portion of the light fixture within the housing.

Overhead lighting is often used in commercial and residential environments, to emphasize various features within a room. Overhead lighting may include but is not limited to adjustable, recessed, trac, flush, and downlight fixtures. Such fixtures comprise a housing affixed to the ceiling structure and a lamp mounting structure and may rotate about vertical and horizontal axes. Ceiling mounted lights such as pot lights are typically constructed with the light bulb housed within a substantially cylindrical lamp housing. A transformer and an electrical junction box for connection to an electrical source are mounted on the lamp housing. Ceiling fan light fixtures typically include one or more light globes, with each globe being retained by a mount structure affixed to the ceiling fan. The light globes typically include a lower portion which may include an ornament design and may assume a variety of shapes and configurations, and a substantially cylindrical portion attached to and extending upwardly from the lower portion. At typical suspended ceiling has a grid of frame members which extend across the ceiling and consist of a first plurality of parallel frame members extending in one direction and second plurality of frame members extending perpendicular to the first frame members forming a plurality of rectangular or square openings. A chandelier is a light fixture which is aesthetically appealing. A chandelier is typically formed of frame members from which a plurality of crystal or glass ornaments are suspended to provide an overall decorative appearance. The prisms which make up a chandelier reflect light which can compliment the other decorative qualities of the room such that the decoration of the room including the ceiling and the lighting is aesthetically attractive.

Outdoor light fixtures are utilized for a variety of purposes, such as spotlights or floodlights to illuminate a chosen area or to accent a building or some other structure. The use of outdoor lighting fixtures has become increasingly popular for illuminating buildings, gardens, pathways and entrance ways as the nighttime play of light on the landscape and vegetation is aesthetically pleasing. Outdoor lighting also provides enhanced security by eliminating hiding places and unobserved entry points for intruders. In commercial buildings such as office buildings, hotels and shopping malls, environmental lighting is often specified by the architect as part of the design. Outdoor architectural lighting has become increasingly popular as a method of accenting a structure and/or its surrounding landscape. Architectural lighting systems have been used to direct light into a tree from below, known as uplighting, to direct light downward from the tops of trees and eves, known as downlighting, and for other purposes. Pathlights in landscape and outdoor lighting systems are placed along walkways and stairs to provide illumination for the safety of persons walking on the path in the dark, and may be located in other areas where a broad wash of light is desired. Such lights will have a diffuser and  reflector to prevents the light from shining directly upward into the pedestrian's eyes, and avoids the creation of shadow lines. Landscape and outdoor lighting systems include one or more lighting fixtures which are connected to either a 12 V transformer or a standard 120 VAC line. Some lighting fixtures enclose a halogen or conventional bulb within a housing, and include a reflector assembly having a lens or window. Outdoor lighting systems use light fixtures that aim a lamp in a desired direction and are generally intended to keep moisture from the electrical wiring running through the light fixture.

There're other specialized lighting fixtures for different applications. Multiparameter lighting fixtures are lighting fixtures, which illustratively have two or more individually remotely adjustable parameters such as focus, color, image, position, or other light characteristics. Multiparameter lighting fixtures are widely used in the lighting industry because they facilitate significant reductions in overall lighting system size and permit dynamic changes to the final lighting effect. Multiparameter lighting fixtures are commonly constructed with a lamp housing that may pan and tilt in relation to a base housing so that light projected from the lamp housing can be remotely positioned to project on the stage surface. Multiparameter lighting fixtures are typically used in showrooms, television lighting, stage lighting, architectural lighting, live concerts, and theme parks. Track lighting systems and fixtures are used both in private houses and in public buildings, such as museums and commercial establishments, to provide ample illumination by the use of attractive components that blend well into the surrounding room design and decor. Track lighting systems can provide light over a wide area and can be used to accentuate specific objects within a room. Track lighting systems typically include spot light fixtures that are inserted along the narrow, electrified track frame. One side of the track frame mounts to a ceiling or wall and the side opposite the mounting surface usually has an opening along the length of the track frame for inserting light fixtures. Counter light fixtures constitute a substantial segment of the indoor lighting market and generally include lamp fixtures which can be mounted to the underside of wall-mounted cabinets for the purpose of illuminating a counter area under the cabinets.