Wall switches are everywhere in our lives, so how do you change them?
1. You should choose to obtain the national compulsory certification certificate and the product with the “CCC†certification mark, namely: 3C certification. (Note: The countries with electronic switches do not currently have 3C certification regulations, and can participate in CQC certification voluntarily.)
2, pay attention to the contact of the switch, because the quality of the contact directly determines the safety performance of the switch product and the length of the service life, in the quality of the switch products are generally used silver cadmium oxide, silver oxide zinc and other silver alloy touch Head material, commonly known as: silver contacts.
3. The switch with high quality resistant engineering plastic (ABS) panel is preferred. The high-quality switch panel is made of high-grade plastic (some composite plastics up to 30,000-30,000 yuan/ton). It looks like a uniform material with a smooth surface and texture. For the sake of beauty, it is also necessary to pay attention to the panel with the anti-UV filler, which is not easy to change color.
4. Pay attention to the current capacity and withstand voltage of the switch. The nominal current of the switch should not be less than the working current of the electrical load.
5. Carefully check the product packaging for the address or phone number of the manufacturer or supplier.
6. Try to buy branded products in regular stores with regular purchase channels.
7. It can choose electronic switches according to the environment or needs of the switch, such as: sound and light control delay switch in corridor, public stairwell, infrared induction delay switch in darkroom, remote control switch for smart home lighting control, and many more.
8, the choice of remote control electronic switches, should pay attention to the types of various types of remote control switches, modulation methods, functions and installation conditions, etc., here to recommend to everyone: should first choose the wireless carrier frequency (non-directional, wall-by-wall remote control), Coded modulation (does not interfere with neighbors), non-contact electronic switch (mute, explosion-proof, long life), single-wire power supply mode (manual switch and remote control switch can be operated at the same time, no rewiring, easy installation).
9. In the bathroom, bath room or kitchen, you can choose a switch with waterproof rating or install a waterproof box. In dusty environments, choose a switch with a dust-proof rating.
10. If the color TV, refrigerator, air conditioner, and audio are placed in the same room, the wall switch selected should match the load of these appliances. In addition, these large power consumption appliances should be controlled by separate switches. Try not to use the same switch. The key panel avoids excessive peak current at the same time of starting, and the temperature rises faster and burns the switch. It can be installed side by side with a single button switch, and it can be solved by separate wiring. As for the type or appearance of the switch, it can be selected according to the user's habit or preference.
If the use environment may cause direct damage to the switch due to water or fire, the switch product should be selected and used as follows to avoid unnecessary losses.
a. If it is used in a watering or splashing environment, it should be a product with anti-splashing function, that is, a product with a waterproof rating mark on the product, for example: 1PX4, indicating that the product can prevent 360 degrees. Water in the range.
b. For the fire protection requirements of the switch itself: 3C products subject to national compulsory certification shall be selected. These qualified products shall be tested for heat resistance and flame resistance of the insulation materials during the inspection.
C. The installation position of the switch should be as far as possible from the fire source and water source.
Switch is a product that people often use in their daily life. They must choose quality products. Under the premise of considering the cost performance, we must choose good qualified products, so as to bring safety and convenience to your family.
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