Does the charger heat up when charging an electric car?

It's bound to get hot.

High current electrical appliances will heat, electric vehicle home portable charging current is generally 8A-50A such a large current for a long time work will certainly heat;

The heat generated by a current passing through a conductor is proportional to the second square of the current, proportional to the resistance of the conductor, and proportional to the time it is energized.

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