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  2. History of street lighting in the United States - Wikipedia

    en.wikipedia.org/wiki/History_of_street_lighting...

    The glass globes were placed on posts ten feet high and spaced fifty feet apart along the street, following the system used in London. These early street lights were "more suggestive than real"; in practice, pedestrians moved from one pool of light to another, walking through shadow in between. [1]

  3. Street light - Wikipedia

    en.wikipedia.org/wiki/Street_light

    In 1798, he used gas to light the main building of the Soho Foundry and in 1802 lit the outside in a public display of gas lighting, the lights astonishing the local population. Streetlights from an 1871 catalog. The first public street lighting with gas was demonstrated in Pall Mall, London on 4 June 1807 by Frederick Albert Winsor. [16]

  4. Street lighting in Washington, D.C. - Wikipedia

    en.wikipedia.org/wiki/Street_lighting_in...

    The post was designed by Wood with input from PEPCO officials. Because commissioners felt that adequate illumination could only be delivered by two lights, the post had a cross-arm at the top. The post simple in its design, contained room for electrical wires and equipment in its hollow shaft and base, and was easily cleaned. [43]

  5. LED lamp - Wikipedia

    en.wikipedia.org/wiki/LED_lamp

    A 230-volt LED filament lamp, with an E27 base. The filaments are visible as the eight yellow vertical lines. An assortment of LED lamps commercially available in 2010: floodlight fixtures (left), reading light (center), household lamps (center right and bottom), and low-power accent light (right) applications An 80W Chips on board (COB) LED module from an industrial light luminaire, thermally ...

  6. Electrical wiring in North America - Wikipedia

    en.wikipedia.org/wiki/Electrical_wiring_in_North...

    Lighting and general purpose receptacles are at 120 volts AC, with larger devices fed by three wire single-phase circuits at 240 volts. In commercial construction, three-phase circuits are often used. Common 3 phase configurations within a building are 208v/120 wye, 120/240 center tapped delta and 480v/277v wye. Lighting is usually fed by 277 V ...

  7. Dolphin lamp standard - Wikipedia

    en.wikipedia.org/wiki/Dolphin_lamp_standard

    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.