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Is Mobile Phone Charger Electrocution True?

Occasionally, we hear some safety problem reports of mobile phone charger. Someone or something was seriously injured or burned. There is no doubt that mobile phone charger or cellphone itself can be dangerous if misused. In this passage, we are going to explore how and why these intricate electronic devices may hamper our lives, and most importantly, what we should avoid while use them.

mobile phone charger

Charger is actually a voltage conversion device, transforming home circuit of 220V AC into 5V DC. It is generally believed that for humans, 100 to 250 volts of AC is the most fatal, because the resistance of the human body makes the lower voltage cannot produce enough current, but the higher voltage makes the muscle contract enough to bounce the electric shock (but the electric shock will still be burned).

At present, it is generally believed that the safety voltage in life is no higher than 36 volts, the human body under normal circumstances touching voltage not exceeding the safety one will not be severely harmed. The recognized safety extra low voltage is 24 volts (ie operating voltage higher than 24V of household appliances should have a perfect insulation protection mechanism). The absolute safe voltage for human body is no higher than 12 volts. Therefore, as long as the regular manufacturers of mobile phone charger (must have 3C certification), the normal use is not dangerous.

mobile phone charger

General mobile phone charger output is 5V, which is harmless to human body, feeling just a slight sense of paralysis. As regards 36V human safe voltage, mobile phone charger output voltage is far below this level, because the phone charger has a transformer inside regulating electric current. Mobile phone charger output voltage usually is only 5 volts. The damage to the human body is almost negligible, if the phone charger output voltage can be dead, mobile phone manufacturers have long been accused of 'paralyzed'.

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