A luminaire, also known as a light fixture in US English or a light fitting in UK English, is an electrical appliance with an illumination-producing electric bulb within. There is a fixture body and one or more lamps in every light fixture. The bulbs could be in sockets for simple replacement, or they could be hard-wired in the case of some LED fixtures. Additionally, fixtures may contain a switch for lighting control that is either linked to the lamp body or the power line. Some permanent Lighting Fixtures, such dining room chandeliers, rely on a wall switch rather than having a switch on the fixture itself.
Other features of light fixtures include reflectors for directing light, an aperture (with or without a lens), an outer shell or housing for lamp alignment and protection, an electrical ballast or power supply, and a shade to diffuse or direct light towards a workspace (e.g., a desk lamp). Special light fixtures are designed for use in the automotive lighting industry, aerospace, marine, and medicine. Portable Lighting Fixtures are frequently referred to as lamps, as in table lamp or desk lamp. In technical terms, the lamp is the light source, which is known colloquially as the light bulb. For technical purposes, both the International Electrotechnical Commission (IEC) and the Illuminating Engineering Society (IES) recommend the term luminaire. The zone of influence of SSCs that are by nature flexible, such as suspended light fixtures or pipe supported by rod hangers, must be considered. The potential for swinging will be eliminated if the contact is unacceptable, most frequently by bracing the component. For instance, in the control room, suspended ceilings and light fixtures are sometimes held in place by aircraft cable to prevent them from swinging or dropping. In order to secure pipes to walls or other buildings and prevent them from swinging or falling, these aircraft cables are also utilised. To provide secure and hygienic lighting when handling food goods, the food and beverage industry has gradually adopted LED Lighting Fixtures. This industry has certain standards for the lighting fixtures that are very strict. The first criteria for selecting luminaires is proper visibility. To prevent injuries or mishaps, it is crucial for the workers to have a good view of the machinery's operation while handling it. If proper lighting is provided in the food-processing units, the risks of dropping tools, nuts, and bolts in the food products or their raw materials can also be reduced. Employees can avoid injuries from slips and falls if they have good visibility in the area. A single incident can be fatal, necessitating a mass recall of all food products processed in that unit, resulting in a significant loss. To address these concerns, LED luminaires have begun to replace traditional lamps in almost every food industry. Another important feature of the luminaire is its colour rendering index (CRI), and LEDs Lighting Fixtures are known to have a higher CRI than other commonly used lamps. A luminaire with a high CRI allows employees to easily detect discoloration of food products, fungal growth, or other defects.
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