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Trenpro Technology: quality standard for switch plugs and sockets Private

4 weeks ago Real estate Battambang   17 views

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Location: Battambang
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What is the quality judging standard of switch plug and socket? Switch socket is used to deal with electricity, so it has a great relationship with the safety of power consumption environment. If you buy a poor quality switch socket, it is easy to cause electric shock and fire. Look at the quality of American standard switches and sockets. First look at the appearance, the appearance should be smooth, and the material should be uniform. Look at which material is used and whether advanced plastics are used. Good quality switch sockets usually use PC because the material has some flame retardancy, insulation and impact resistance, and it is not easy to change color.

The quality of the switch plug and socket does not mean that the service life is long, so in addition to the quality, it also depends on the frequency of its use. The frequency of the use of switch sockets is standard, the national standard is 40000 times, some brands just conform to the national standards, some brands exceed the national standards, like the bull's switch sockets can be used 80000 times, is two times the national standard. That is to say, the service life of the same quality switch socket is different.

Electrical strength: when the metal panel American 1 gang 2 way switch is disconnected, an electrical attachment with a nominal voltage of more than 130V should be applied with a sinusoidal frequency of 50HZ2000V for 1 minutes and no scintillation breakdown may occur. Electrical accessories with rated voltage above 130V specified in the socket shall be applied sine wave frequency North 50HZ2000V voltage for 1 minutes. No flashover breakdown will occur.

Light is an important element in human’s daily activities as it provides brightness in the dark. There are varieties of light source that are being adopted in today daily life such as fire, halogen lamp, fluorescent lamp and light emitting diode (LED) lamp. LED has been chosen as one of the most common lighting systems due to the advantage in energy saving, better luminous and it can be used for a longer period of time. Sensors is also focused in current lighting technology. Sensors will act as a residential 1 gang 1 way 16a light switch for Homes and only be functioned as it detects the gesture related to its specification such as motion or darkness. The usage of sensor in lighting system will further improve the efficiency of the system and provides an alternatives for energy saving. 

The safety features of BS 1363 adaptor or wall socket is further enhanced with the usage of safety shutters. The safety shutters is used as such that when a plug is withdrawn from it, the white American power electrical double wall socket  contacts or the socket holes which carry current supply will be automatically closed. The shutters should be operated by mating the earth pin to the earth hole. The shutter for a particular socket aperture should not be able to closed the shutter for another socket aperture independently (ISO, 2007).In the experiment, plugs and American style single 3 pin socket of rated current 10A are used under conditions of reduction and contact areas and contact vibrations. External heating temperature of 100°C, 200°C, 300°C, 400°C, 500°C, 600°C and 700°C are used to determine the characteristic law of samples. Apparently the plastics insulations of shells are melted and deformed while the metal parts are carbonized but there is no sign of melting and deformation. From the analysis results, it can be concluded that under fault over a small contact area, the plug’s terminal could reach a temperature of 300–400°C and the contact area between plug and socket can reach a temperature of 200–300°C. The major problem in sparking is after melting and carbonizing of insulation material of wall socket, secondary fault including combustion and short circuit may happen directly (Techakittiroj, 2008).

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