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Light fixtures currently in use usually provide students and teachers with satisfactory visual performance, i.e., the ability to read a book, have lunch, or play basketball in a gymnasium. However, classroom lighting may also affect students' circadian systems, which may in turn affect test scores, attendance and behavior. [1]
The silent fox hand signal A man (right) using the silent fox gesture at a rehearsal in the Staatsschauspiel Dresden. The silent fox, also known as the quiet fox, whispering fox, listening fox, or the quiet coyote, is a hand gesture used in parts of Europe and North America, and is mostly done in schools by teachers to calm down a loud classroom.
The Company offers wires, cables, switchgears, lights, luminaries, fans, circuit breakers, heat and smoke detectors, video door phones, and other electrical products. It also sells home automation products from Panasonic. [2] The company's new manufacturing unit has been built at Daman, India. The investment for the plant has been Rs 200 crores ...
A light fixture or luminaire is a technical and professional term for the electrical fixtures used to hold a lamp—a light bulb—the light source. Wikimedia Commons has media related to Lighting fixtures .
A light fixture (US English), light fitting (UK English), or luminaire is an electrical lighting device containing one or more light sources, such as lamps, and all the accessory components required for its operation to provide illumination to the environment. [1] All light fixtures have a fixture body and one or more lamps.
In electrical wiring, a light switch is a switch most commonly used to operate electric lights, permanently connected equipment, or electrical outlets. Portable lamps such as table lamps may have a light switch mounted on the socket, base, or in-line with the cord.
Digital Addressable Lighting Interface (DALI) is a trademark for network-based products that control lighting. The underlying technology was established by a consortium of lighting equipment manufacturers as a successor for 1-10 V/ 0–10 V lighting control systems, and as an open standard alternative to several proprietary protocols.
The term lighting control system refers to an intelligent networked system of devices related to lighting control. These devices may include relays, occupancy sensors, photocells, light control switches or touchscreens, and signals from other building systems (such as fire alarm or HVAC). Adjustment of the system occurs both at device locations ...
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