Physicist Nazarenko warned about the risk of fire from a faulty charger
If you do not remove the faulty charger from the socket, it can ignite, warned the head of the Department of Electronics of the RTU MIREA, Candidate of Physical and Mathematical Sciences Maxim Nazarenko. In an interview with Lenta.ru, the scientist spoke about the risks that chargers left in the outlet can carry.
If your charger is constantly plugged into the power circuit, if you never unplug it, then there are a few risks to be aware of.
The most significant risk is the instability of the voltage in the household network, the scientist pointed out. “Power surges, which happen quite often and sometimes differ in significant amplitude and time, can damage your charger. The spikes in the behavior of a household electrical network can destroy even very reliable devices, but which do not have additional protection, ”he warned.
Noticeable power surges are usually observed during thunderstorms or strong winds. Nazarenko recommended to de-energize all electrical appliances during bad weather in order to avoid possible breakdowns of electrical appliances.
“It should also be taken into account that some chargers create noticeable magnetic fields that affect human health in a completely negative way with prolonged exposure,” the physicist said.
He advised using sockets for charging phones at night, which are at least 120 centimeters away from the bed. The specialist also recommended paying attention to chargers for some types of “smart” equipment. He noted that they have a similar principle of operation with those used for phones and, accordingly, they bear the same risks.
In terms of energy savings, the habit of pulling the charger out of the socket has almost no practical meaning if the charger is not too old or not of too poor quality.
The power that is consumed without a connected smartphone is extremely small, so the electricity bill will change by a few cents, the scientist explained. “But this is true for one properly functioning charger,” Nazarenko emphasized.
The physicist also pointed out a misconception about the likelihood of spontaneous combustion of a charge left in a socket.
“Statistically, this is almost a legend: the vast majority of chargers have built-in protection against such emergencies,” he said. However, this statement is also true only for properly working chargers. “If you notice that your charger, the cable that fits your smartphone or the plug gets very hot when you unplug it, then it’s better not to risk it and replace the overheating element,” the expert advised.
Earlier, specialists from the Center for Digital Expertise of Roskachestvo spoke about the proper operation of a smartphone battery. They named ways by which you can extend the life of the battery in the device. According to experts, the battery in a modern phone is designed to last 3-5 years or 500-1000 recharge cycles.
Source: Lenta
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