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WeiKeru Cable Co., Ltd. is the original Renqiu Hualong Cable Factory, which was founded in 1998. It is located in the Beijing-Tianjin-Baojiao Trade Fair, adjacent to the Beijing-Kowloon Railway... -
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The market share is increasing year by year, and the products are sold in 26 provinces, cities and regions across the country. High-quality products and sound after-sales services have been selected by key projects...
The ability to prevent and control electric safety accidents should be strengthened in summer
Release Time:
Jun 02,2023
On the basis of maintaining the safe operation and correct operation of power equipment, more attention should be paid to the quality of equipment and materials used as power transmission, especially in summer. The quality of wires and cables should be paid more attention to. Electricity is not like other dangerous things. It is invisible and intangible, but if you are negligent, you will often pay a huge price with your life. You can even call electricity an electric tiger, but in fact electricity itself is more terrifying than a tiger.
Summer is coming, the sky is dry, it is the peak of electricity consumption, and it is a period of high incidence of fire and other accidents, and electric accidents are also on the rise in this season. According to statistics, in May 2021, there were 7 electric personal injury accidents and 7 deaths in the country. The number of accidents increased by 3 and the death toll increased by 1 year-on-year. Among them, there were 6 personal injury accidents and 6 deaths in power production, an increase of 4 accidents and 4 deaths compared with the same period last year; 1 personal injury accident and 1 death occurred in power construction, a decrease of 1 accident and a year-on-year decrease. The death toll decreased by 3. No electrical safety accidents occurred, which was the same as last year. There was no power equipment accident with a direct economic loss of more than 1 million yuan, which was the same as the same period last year. No electrical safety incidents occurred, a year-on-year decrease of 1. It is really shocking and heartbreaking. I hope that it can attract the attention of all electric power practitioners, learn more relevant operating knowledge, improve the ability to prevent and control electric accidents, and reduce personal casualties and property losses. In particular, power grid companies and power generation companies should also establish emergency response mechanisms in accordance with the requirements of the plan, regularly conduct accident scenarios, and jointly carry out anti-accident drills to improve the ability to respond to emergencies and ensure the safety of power grids and power practitioners. All power infrastructure units should also strengthen publicity and self-examination and self-correction to protect the safety of power transmission.
On the basis of maintaining the safe operation and correct operation of power equipment, more attention should be paid to the quality of equipment and materials used as power transmission, especially in summer. The quality of wires and cables should be paid more attention to. Electricity is not like other dangerous things. It is invisible and intangible, but if you are negligent, you will often pay a huge price with your life. You can even call electricity an electric tiger, but in fact electricity itself is more terrifying than a tiger.
The cable aging problem is a very big safety hazard. Many fires caused by electricity are mostly caused by the cable aging problem, so it is very necessary to check whether the cable is aging regularly, but how to check whether the wire is aging or not requires certain technology. . The insulation of our common cables depends on the outer sheath, but after the cable is used for a long time, it will be oxidized or corroded by the air in the air, and the insulation performance of the cable will become lower and lower. , eventually harden or even fall off due to aging, and when the cable ages to this extent, it basically has no insulation capacity, and once the insulation is reduced to a certain level, it is easy to be broken down during use. Thereby causing fire, electric shock to employees and other accidents. Understanding the basic knowledge of judging cable aging can eliminate potential safety hazards. The following summarizes some methods and experiences for judging cable aging:
The first is to check the appearance of the cable along the cable, that is, to observe the insulation layer of the cable. If the cable is found to be hard, the outer layer has cracks, the color is dull, darkened, or even peeled off, it means that The aging problem of the root cable is already serious, it is best to replace it in time to avoid danger.
The second is a more professional and accurate method, which is to use an insulation resistance meter to measure the insulation of electrical lines. The insulation of different lines has different allowable values. For example, the insulation resistance of household 220V lines in use should not be lower than 0.22 megohm; the wet value in rainy days should not be less than 0.1 megohm. If the measured insulation resistance value is less than the above value, it means that there is a problem with the insulation of the electrical line. Of course, the service life of the cable is different under different usage conditions.
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