How to distinguish inferior lamps

2022-07-22
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How to distinguish inferior lamps

>& gt;& gt; Choose lamps and lanterns for your home

lighting appliances are essential supplies in people's daily life. Their safety and quality are directly related to the safety of users' lives and property. Lamps and lanterns with poor quality and low safety level increase the risk of personal electric shock and fire when used. Poor quality lamps are shown in signs, structures, external and internal wiring, anti electric shock protection, insulation resistance, etc

the mark is unqualified

lamps have no signs or incomplete signs, and some signs have poor durability. There is no manufacturer name, registered trademark, "CCC" compulsory certification mark, rated voltage, rated maximum ambient temperature, product model or type serial number, rated power, etc. on the lamp

the structure is unqualified

the main reason is that the conduit inside the lamp (for internal wiring, wiring pipes, slots, etc.) is not smooth, and there are edges and burrs; The electrical connection of the lamp holder falls off or is loose; The insulating gasket or sleeve cannot be firmly fixed in the original position

internal wiring and external wiring are unqualified

the conductor of ordinary lamps is lower than the standard requirement of the minimum cross-sectional area of 0.75mm2, and that of other lamps is 1mm2; The inlet and outlet of the external wiring of the lamp are rough and sharp, and there is no chamfer treatment, and no fixed measures are taken for the incoming line, resulting in the conductor insulation layer is easy to be scratched

the anti electric shock protection is unqualified

it is mainly shown on the screw socket of various lamps. Because the structure, size and insulation performance of the lamp holder are not processed and manufactured according to the standards, the bulb cannot be completely screwed into the lamp holder, and the live part of the metal screw of the bulb is exposed, which is easy to be touched by people, causing electric shock accidents

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