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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 .
Pendant Post Poles come in two sizes: 28 feet 6 inches (8.69 m) and 38 feet 6 inches (11.73 m). There are a few very high Cobrahead Pendant Poles which are 70-to-100-foot (21 to 30 m) tall; these very high lampposts use a 1000 watt sodium-vapor lamp .
the pole length, typically 8 to 10 metres, [22] and size. 9L is a 9 metres long, light pole, other letters used are 'M' (Medium) and 'S' (Stout). the year of treatment and therefore generally the year of installation (e.g. the pole in the picture was treated in 2003) the batch and type of wood used; A date of the last official inspection
For example, India has horizontal clearance of 10 metres (32 ft 10 in) for electrical and telecommunication poles, and 30 centimetres (12 in) for street light poles of roads with curbs. For roads without curbs, the clearance for that is 1.5 metres (4 ft 11 in) given that the minimum clearance from the center line of the roads is 5 metres (16 ft ...
New York's 1811 plan (see above) has blocks of 200 feet (61 m). in width and variable lengths ranging from about 500 feet (150 m) to 900 feet (270 m) feet. The corresponding frequency of streets for each of these block sizes affects the street length.
The pole that the lighting is mounted on is generally at least 30 m (98 ft) tall (under this height it is referred to as conventional lighting system), [1] while the lighting consists of a luminaire ring surrounding the pole with one or several independent lighting fixtures mounted around it. Most units have four, six or eight lights in the ...
In New Orleans, arc lamps were used for street lighting starting in 1881. In 1882, the New Orleans Brush Lighting Company installed one hundred 2,000-candlepower arc lamps along five miles of wharf and riverfront; by 1885, New Orleans had 655 arc lights. [1] In Chicago, arc lamps were used in public street lighting starting in 1887. [1]
A light tower In front of City Hall, Detroit, Michigan, about 1900. Detroit, Michigan, had a particularly extensive system of light towers, inaugurated in 1882. [6] 122 towers, 175 feet (53 m) tall and 1,000–1,200 feet (300–370 m) apart in downtown Detroit, were shorter, less powerful, and twice as far apart as typically found elsewhere. [7]