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The "Washington Upright Poles" are the most decorative, and are designated the 14, 16, 18, 716, and Twin-20. [a] The Number 16 pole (which cost $5,000 in 2013) is the most commonly used Upright Pole. The 716 is a less expensive ($2,500 in 2013) version of the 16 pole. The slightly more decorative 18 pole is generally used only in the downtown area.
Decorative street light in Jakarta. Major advantages of street lighting include prevention of automobile accidents and increase in safety. [61] Studies have shown that darkness results in numerous crashes and fatalities, especially those involving pedestrians; pedestrian fatalities are 3 to 6.75 times more likely in the dark than in daylight. [62]
The suffix after the G indicates the pin spread; the G dates to the use of Glass for the original bulbs. GU usually also indicates that the lamp provides a mechanism for physical support by the luminaire: in some cases, each pin has a short section of larger diameter at the end (sometimes described as a "peg" rather than a "pin" [2]); the socket allows the bulb to lock into place by twisting ...
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]
The large E39 "Mogul" and E40 "Goliath" base are used on street lights, and high-wattage lamps (such as a 100 W / 200 W / 300 W 3-way) and many high-intensity discharge lamps. In areas following the U.S. National Electrical Code , general-use lamps over 300 W cannot use an E26 base and must instead use the E39 base.
Distinctive base of Vulliamy's dolphin lamp posts. Dolphin lamp standards provide electric light along much of the Thames Embankment in London, United Kingdom. Two stylised dolphins or sturgeons writhe around the base of a standard lamp post, supporting a fluted column bearing electric lights in an opaque white globe, topped by a metal crown.
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