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Download as PDF; Printable version; ... Street lighting in Washington, D.C. ... Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; ...
NEMA wattage labels are standardized labels defined by the National Electrical Manufacturers Association (NEMA) used on street lighting fixtures to indicate the wattage of the lamp for maintenance purposes. Additionally, various colors are used to identify what type of lamp the fixture uses.
Gerard Philips (1858–1942), founder. The Philips Company was founded in 1891, by Dutch entrepreneur Gerard Philips and his father Frederik Philips. Frederik, a banker based in Zaltbommel, financed the purchase and setup of an empty factory building in Eindhoven, where the company started the production of carbon-filament lamps and other electro-technical products in 1892.
A street light, light pole, lamp pole, lamppost, streetlamp, light standard, or lamp standard is a raised source of light on the edge of a road or path. Similar lights may be found on a railway platform .
The Lighting division was part of the first activities of Philips, that started in 1891 with an incandescent lamp factory in Eindhoven, the Netherlands.. In September 2014, Philips announced that the company intended to split the company into two market-leading entities, one focused on health and medical technology and the other on connected LED lighting.
Street lights can be made intelligent by placing cameras or other sensors on them, which enables them to detect movement (e.g. Sensity's Light Sensory Network, GE's "Currents", Tvilight's CitySense). [5] [6] Additional technology enables the street lights to communicate with one another. Different companies have different variations to this ...
In Washington, D.C., street lighting is provided by the District of Columbia Department of Transportation, and covers all city streets and alleys. Because the Constitution of the United States makes the district a creature of the U.S. federal government, the federal government has the authority to regulate the type and appearance of street ...
However, LED street lighting is not as efficient as low-pressure sodium (SOX) street lighting in the United Kingdom. [clarification needed] An LED street light based on a 901-milliwatt output LED can normally produce the same amount of (or higher) luminance as a traditional light, but requires only half of the power consumption.