Lightning protection experts analyze the two major lightning protection errors in the "common sense" of the public
Xiamen is a high-incidence area for lightning. Last week, two unfortunate incidents in which the elderly were strangled by lightning were reported in rural areas outside the island. How to avoid danger when encountering lightning? What are the mine protection misunderstandings in the public's concept? The Morning News invited the expert of Xiamen City Lightning Protection Center to answer for you.
[Miscellaneous 1]
Turn off the appliance to prevent lightning strikes?
Truth: It is best to unplug the electrical plug
Can I use WIFI, mobile phones, and home appliances when thunder? Yang Chao introduced that it is best not to use wired or wireless electronic and electrical facilities when thundering. Because of the thunder, a magnetic pulse magnetic field will be generated in a certain space, which will interfere with the power facilities.
In terms of whether or not to use mobile phones when thundering, there is still controversy in the academic world. Yang Chao suggested that for safety reasons, it is best not to use it for the time being. In the event of a strong lightning, it is also necessary to turn off all electromagnetic equipment in the room, including household appliances. At the same time, it is not enough to shut down. If the plug is still plugged into the socket, it can still form a physical path, or there is a risk of being attacked by lightning. The correct way is to unplug the electrical plug.
Thunderstorms should close the doors and windows to prevent the spherical thunder from entering the room and causing harm. It is best for the human body to leave the radiator, the water pipe, and the down pipe more than 1.5 meters. Try to avoid the power line, telephone line, and broadcast line as much as possible to prevent the secondary discharge of these lines and equipment.
[Miscellaneous 2]
Should you wear a wooden handle umbrella during thunderstorms?
Truth: no umbrella can't be protected against lightning
Some citizens asked whether the umbrella of the metal umbrella handle is more conductive than the wooden handle umbrella. Should I use a wooden handle umbrella during thunderstorms?
Yang Chao said that no umbrella can play the role of lightning protection. The key to avoiding lightning outdoors is not to place yourself in a position higher than other objects. According to Yang Chao, statistics from recent years show that most of the lightning strikes in Xiamen have occurred in rural areas. This is because some villagers have a weak sense of lightning protection, and Lei Yutian is still stranded outdoors, resulting in lightning strikes.
In fact, if you are experiencing lightning outdoors, do not stop on the top of a hill, ridge or building; do not stay near iron fences, metal clotheslines, overhead metal bodies and railway tracks; do not stay in swimming pools, lakes, beaches or isolated Under the tree. Try to find buildings that have taken lightning protection measures to avoid. If there are no buildings around, you should find a place with a low ground and kneel down. Keep your feet together and keep your head as low as possible. If someone is struck by lightning and stops breathing, they should be given artificial resuscitation and external cardiac massage in time, and promptly sent to hospital for treatment.
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