动漫fans新番:Parlor Article Lighting chapter--Ceiling Light

  ================================================== ================
[Concept]
English: Ceiling Light
Explanation: a lamp, installed inside the room, because light than the upper level, close to the roof installation, such as adsorption on the roof, so called ceiling.
================================================== ================
[History]
       Originated in 1995-1996, due to the shape of the sun, so when industry people call "sun light", 2000 years ago, a single ceiling models, materials, single, middle and low materials they use, and the main inductance ceiling.
================================================== ================
【Type】
    Ordinary white light bulbs, fluorescent lamps, high intensity discharge lamps, halogen lamps and so on.
------------------------
    Different light sources have different lamps suitable place, such as
    Ordinary incandescent bulbs, fluorescent ceiling lamp is mainly used for home, classroom, office and other space-storey place of 4 meters of lighting;
    Larger power and light of high intensity gas discharge lamp is mainly used for sports stadiums and other plants in the 4-9 m storey places such as lighting.
    In order to achieve both high enough for the face, while saving, fluorescent ceiling is usually home, school, shops and office lighting choice.
================================================== ================
[Installation]
------------------------
       As the heat continues to heat up home decoration, ceiling changes with each passing day, the past is no longer confined to a single lamp, and to diversify not only learned a chandelier of luxury and style, but with a ceiling of the installation, avoid the lower room can not hold a large luxury lighting defects. Ceiling lights installed in the roof directly on the body, suitable for general lighting, typically used for the living room and bedroom. Ceiling installation and use should note the following:
------------------------
(1) is installed in masonry ceiling should be used embedded bolts or expansion bolts, nylon or plastic plugs plug fixed; not use wedge. And the carrying capacity of the fixed pieces of the weight should match the ceiling. Ceiling fixed to ensure solid, reliable, and extend their useful life.
------------------------
(2) When using expansion bolts, they should be asked to select the technology products bolt specifications, the hole diameter and depth of burial in line with the bolt size.
------------------------
(3) the number of bolts fixed lamp base lamps not less than the fixed number of holes, and bolt hole diameter should match; no fixed mounting holes on the base of the lamp (self-drilling installation), for each lamp fixed bolts or screws should not be less than 2, and the lighting of the center of gravity to the center of the bolt or screw is consistent; only when 75mm in diameter, insulated units and below, only the use of a bolt or screw.
------------------------
(4) can not be installed directly on combustible ceiling on objects, some families after the paint for aesthetic use in the ceiling plywood lining behind, in fact, it is very dangerous to take insulation measures; if the surface temperature location close to the lamp combustible materials, they should also take heat or cooling measures.
------------------------
(5) Ceiling installation should be checked:
① Each lamp lead wire core wire cross-section, copper cord is not less than 0.4mm2, copper not less than 0.5mm2, or lead must be replaced.
② wire connection with the lamp, lamp wire should be connected in parallel between the firm, should be good electrical contact, in order to avoid exposure to bad, there wires and sparks between the terminals, and dangerous.
------------------------
(6) If the ceiling is used in the screw head, then the wiring should also note the following points:
① phase contact line should be connected to the center terminal on the zero line should be connected to the screw terminals on;
② lamp housing should not damage the insulation and leakage, to prevent electric shock when replacing the lamp.
 
------------------------
(7) with the ceiling with incandescent bulbs, light bulbs should not be close to the shade; lamp power technology products shall also be asked to choose, not too much to avoid bulb temperature is too high, broken glass splash down after wounding .
------------------------
(8) and the ceiling power line connecting the two thread, should be good electrical contact, but also were used vinyl cloth, and keep a certain distance, if possible, try not to thread the two pieces on the same piece of metal under the to avoid short circuit, dangerous.
------------------------
(9) to teach children not to throw in the indoor lighting balloons and other objects to avoid light falling on the ornaments hanging lamps hurt or affect the decorative effect.
==================================================

【Article is excerpted from: Baidu Encyclopedia】
【Network reprint / Just reference】
【Translation is by Goolge】