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Nên sử dụng thiết bị bảo vệ quá tải có xuất xứ rõ ràng, đảm bảo chất lượng

Nên sử dụng thiết bị bảo vệ quá tải có xuất xứ rõ ràng, đảm bảo chất lượng

09/12/2019 10:05:39 AM | 228

Đó là lời khuyên của ông Nguyễn Đăng Thiện - Phó Trưởng ban An toàn Tổng công ty Điện lực Thành phố Hà Nội đối với người tiêu dùng khi mua các thiết bị bảo vệ quá tải, ngắn dòng.

 

Every year, the country has thousands of explosions, of which 80% of the causes of explosions related to electrical equipment systems, causing many losses of life and property. In particular, most of the fires stem from incidents of electrical equipment and outdoor electrical grid.

According to experts, the cause of the explosion is largely due to the fact that households use large amounts of power-consuming devices that cause overload; The preservation of equipment and lines is done quite subjectively, lack of knowledge about fire safety techniques. Due to the diversity of construction structures in residential areas, the internal electric network has been installed for too long, undergone many renovations, the risk of incidents of electric shock and fire has always been permanent. In addition, the phenomenon of electric shock even caused a fire caused by the overload protection devices, short-circuit does not guarantee quality, do not function properly.

In the Hanoi market, according to the survey of Vietnam Quality PV (VietQ.vn), overload and short-circuit protection devices are widely sold with many models, prices, different types. These devices are available at most stores specializing in trading of electric and utility appliances. Overload and short-flow protective devices come in many types, such as fuses, aptomat, thermal relays, etc. Therefore, the prices of these products are also different.

For automatic circuit breakers (aptomat), the market appears many brands such as Nival, Eliton, Mitsubish, Delixi ... and some products manufactured from Vietnam. The price of this type of device is quite diverse, with only VND 40,000 / unit, with up to millions of VND depending on the purpose of use, in accordance with the largest working current of the devices to be protected. Civil fuse products on the market are currently priced at around VND 500 / unit to VND 10,000 / unit depending on use. As for thermal relays, depending on the intensity A (ampere), the price ranges from 170,000 VND / unit to 4.5 million VND / unit.

Although overload, short-circuit and overcurrent protective devices play an important role in protecting the electrical system, limiting fires and short-circuiting, safety knowledge about using equipment This is still not well understood by consumers.

According to Mr. Nguyen Dang Thien - Deputy Head of Safety Department of Hanoi City Power Corporation, to use electricity safely, effectively and prevent electric fire and explosion, consumers should use electric wires of clear origin. To ensure the quality and cross-section of the wires in line with the capacity used to avoid overloading, causing breakdowns or short-term fires, leading to accidents and house fires.

For overload protection devices such as circuit breakers, fuses, circuit breakers, switches, sockets, etc. in the home should use quality assurance, clear origin, installed in a dry place. , should be placed at a height of 1m40 above the floor to be safe for young children and avoid the possibility of flooding.

When installing electrical equipment, devices must follow the manufacturer's instructions, paying attention to the safe grounding of equipment shells before energizing such as water pumps, water heaters. electric refrigerator, refrigerator, microwave, electric stove ...


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