The installation of household lamps depends on different types. Chandeliers, ceiling lamps, wall lamps, etc. all have their own installation methods. The following describes the installation requirements and methods of several common lamps.
(1) Installation requirements
1, lamps and accessories should be complete, there should be no mechanical damage, deformation, paint peeling and lampshade rupture and other defects.
2. The bearing capacity of the fixing parts on the wall ceiling of the installed luminaire should match the weight of the luminaire.
3, chandeliers should be equipped with hanging boxes, each hanging box can only be equipped with a set of chandeliers. The surface of the chandelier must be well insulated and must be free of joints. The conductor cross-section must not be less than 0.4 mm2. Wiring in the hanging box should take measures to prevent the head from being forced to drop the lamp. For luminaires weighing more than 1 kg, slings shall be provided. When the chandelier luminaires weigh more than 3 kg, they shall be fixed by means of pre-embedded hooks or bolts. The light of the chain light should not be pulled, and the light should be forked with the chain.
4. Ceiling lamps with incandescent lamps as light sources shall not be directly mounted on flammable components; bulbs shall not be in close contact with the lampshade; when the distance between the bulb and the insulating table is less than 5 mm, insulation measures shall be taken between the bulb and the insulating table. . The power of an incandescent lamp must not exceed the maximum power allowed by the luminaire.
5. When the fluorescent lamp is used as the light source, the ballast should be installed on the phase line. The lamp should be protected from the lamp housing, and there should be a margin in the lamp box. The frame of the giant lamp is parallel with the decorative line of the ceiling. The border should be placed close to the ceiling.
6. The screw cap phase wire should be connected to the terminal of the center contact. The neutral wire should be connected to the threaded terminal. The insulating shell of the lamp cap should be intact, without damage and leakage.
7. The hook of the fixed lantern shall not be smaller than the hook of the lamp, and the diameter of the lamp shall be at least 6 mm.
(2) Installation methods of several lamps
1. Chandelier: When the chandelier is installed on the top surface of the concrete, it can be fastened with embedded parts, penetrating bolts and expansion bolts. The size and weight of the luminaires used in the installation determine the specifications of the expansion bolts used, but the minimum should not be less than M6 (mm), the multi-head chandelier should not be less than M8 (mm), and the number of bolts must be at least two. Light self-tapping tube screws cannot be used.
2, ceiling lamps: ceiling lamps have a round, square or rectangular base (chassis), the size of the base. The base of the lamp can be fastened with expansion bolts or it can be fastened with pre-embedded wood screws with wood screws. If the base of the lamp holder is more than 100 mm in diameter, 2 screws must be used. If the base of the lamp is installed, the bolts and penetrating bolts shall be used, and the bolt diameter shall not be less than 6 mm. The luminaire can be fixed on the bottom of the platform with wood screws. The number of wood screws should not be less than the number of mounting holes given by the luminaire.
3. Wall lamp: The wall lamp can be used as a base or without a base according to the structure of the base. When using the base, fix the base before fixing the wall light to the base. The base is usually made of wood, the thickness of the board should be more than 15 mm, and the surface is painted with decorative paint. When the wall lamp is installed, it can be fixed by screwing the screw hole of the lamp position box, or by punching the wall surface, pre-embeding the wood brick or fixing it with a plastic expansion tube screw. The wall lamp base screws are generally not less than two. The installation height of the wall lamp is generally 2~2.2 meters from the ground, and the wall lamp installed at the bedside is 1.2~1.4 meters.
4. Downlight: The downlight is a recessed light that is suitable for use on a suspended ceiling. The basic form of the lamp is cylindrical, and the lamp mouth is a metal wide-sided ring with lead, titanium or nickel plating. After the lamp is installed, it is close to the top surface and has good decoration. There is a circlip on each side of the symmetry of the lamp cylinder as a device for fixing the downlight. The opening is in the direction of the lamp opening, and the spacing of the circlips is adjusted by a butterfly nut.
5. Drill holes on the ceiling according to the size and installation position of the downlight.
6. Connect the reserved power cable to the downlight in the ceiling.
7. Adjust the wing nut of the downlight fixing spring piece so that the height of the spring piece is the same as the ceiling thickness.
8. Push the downlight into the ceiling opening and install the appropriate bulb
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