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  2. Light fixture - Wikipedia

    en.wikipedia.org/wiki/Light_fixture

    Light fixtures may also have other features, such as reflectors for directing the light, an aperture (with or without a lens), an outer shell or housing for lamp alignment and protection, an electrical ballast or power supply, and a shade to diffuse the light or direct it towards a workspace (e.g., a desk lamp).

  3. Home wiring - Wikipedia

    en.wikipedia.org/wiki/Home_wiring

    The layout of lighting in the home must consider control of lighting since this affects the wiring. For example, multiway switching is useful for corridors and stairwells so that a light can be turned on and off from two locations. Outdoor yard lighting, and lighting for outbuildings such as garages may use switches inside the home.

  4. Gooseneck (fixture) - Wikipedia

    en.wikipedia.org/wiki/Gooseneck_(fixture)

    In some cases, the flexible arms are also useful when carrying out work in inaccessible places. Magnets or grippers at the end of the gooseneck can be used to "fish out" small parts from inaccessible places, a mirror or lighting allows views into hidden corners. A gooseneck on a stick lighter allows convenient lighting in hard-to-reach positions.

  5. Knob-and-tube wiring - Wikipedia

    en.wikipedia.org/wiki/Knob-and-tube_wiring

    Other ceramic pieces would typically be used as a junction point between the wiring system proper, and the more flexible cloth-clad wiring found in light fixtures or other permanent, hard-wired devices. When a generic power outlet was desired, the wiring could run directly into the junction box through a tube of protective loom and a ceramic ...

  6. Electrical wiring - Wikipedia

    en.wikipedia.org/wiki/Electrical_wiring

    Wiring is subject to safety standards for design and installation. Allowable wire and cable types and sizes are specified according to the circuit operating voltage and electric current capability, with further restrictions on the environmental conditions, such as ambient temperature range, moisture levels, and exposure to sunlight and chemicals.

  7. Category:Light fixtures - Wikipedia

    en.wikipedia.org/wiki/Category:Light_fixtures

    Note: The vernacular word "lamp" is often used casually when meaning a light fixture—luminaire: including a table lamp, hanging lamp, porch lamp, desk lamp, wall lamp, floor lamp, and numerous others; and in their components’ names such as lamp shade, lamp cord, and lamp switch.

  8. Perimeter fence - Wikipedia

    en.wikipedia.org/wiki/Perimeter_fence

    The level of protection offered varies according to the threat level to the perimeter. Different types of perimeter fencing include: Chain-link fencing; Metal railings; Palisade fencing; Rolled mesh fencing; Timber fencing; Welded wire mesh fence fencing; Vertical bar fencing has been the most popular form of perimeter security fence since the ...

  9. Architectural lighting design - Wikipedia

    en.wikipedia.org/wiki/Architectural_lighting_design

    The history of electric light is well documented, [11] and with the developments in lighting technology the profession of lighting developed alongside it. The development of high-efficiency, low-cost fluorescent lamps led to a reliance on electric light and a uniform blanket approach to lighting, but the energy crisis of the 1970s required more design consideration and reinvigorated the use of ...

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