The types of commonly used lamps are chandeliers, wall lamps, ceiling lamps, floor lamps, and recesses. No matter what kind of lamps are used, the most important is whether the safety indicators are qualified. The owner can identify them in one aspect. Inspection of lamps The types of commonly used lamps are chandeliers, wall lamps, ceiling lamps, floor lamps, and recesses. No matter what kind of lamps are used, the most important is whether the safety indicators are qualified. The owner can identify them in one aspect. (1) Identification from the appearance of the luminaire 1 lamp marking When purchasing a luminaire, you should first check the markings on the luminaire, such as the trademark, model, rated voltage, rated power, etc., to determine whether it meets your own requirements. Marking safety is the basic requirement in the safety performance of luminaires. The rated power is especially important. For example, a 40 watt lamp is designed for unrated power. Users are likely to install 60 watt or 100 watt bulbs, which may cause damage to the external insulation. Touching electrical energy causes a fire. In addition, the standard stipulates that the wire used on the luminaire is a minimum of 0.5 square millimeters. Some manufacturers reduce the cost. The cross-sectional area of ​​the wire used on the product is less than 0.5 square millimeter, which may cause the wire to burn and the insulation layer to burn out. Short circuit, creating a danger. When you buy, you can look at the mark printed on the insulation outside the wire on the lamp. 2 from the protection against electric shock protection Attention should be paid to the protection against electric shock. After the lamp is energized, the person must not touch the live parts and there is no danger. Buying incandescent lamps (such as chandeliers, wall lamps), when the power is off, if the small parts do not touch the live parts, the anti-shock performance is the basis. The lighting protection performance of the lamps does not meet the standard. Generally, the lamp holders that do not meet the requirements or the live parts of the lamps are not covered with protective measures such as electric shock protection. (2) Identification from lamps 1 The metal tube entrance and exit of the wire shall be free of sharp edges, so as to avoid the cutting of the metal parts into electricity, which may cause electric shock. The movable lamp such as the floor lamp should have a wire fixing at the entrance of the power line to prevent the heating element from being touched when the power line is pushed back, causing the insulation layer to melt, the exposed wire and the metal casing, and the casing being charged to cause electric shock. (3) Identification from accessories used on the luminaire 1 The electronic ballast is used in the luminaire. The luminaire equipped with the abnormally protected electronic ballast should be purchased. The so-called normal protection means that the protector ballast given in the fluorescent line can still work normally. . 2 If the lamp is used in an inductor ballast, look at the ballast on the ballast as much as possible (such as tw130). Especially when the parts of the lamp are poor, it should be noted that tw is the rating of the ballast coil. Maximum operating temperature at which the ballast can operate for 10 years.
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