Three Cautions of Electric Pen

* Before using the test pen, first, check whether there is a safety resistor in the test pen, and then visually check whether the test pen is damaged, whether it is damp or water, and can only be used after passing the inspection.

* When using the test pen, do not touch the metal probe at the front of the test pen with your hands, it may cause an electric shock accident.

* When using the test pen, touch the metal part of the end of the test pen with your hand, otherwise, because the charged body, the test pen, the human body, and the earth do not form a circuit, the neon bubble in the test pen will not emit light, resulting in misjudgment, and it is believed that the charged body Without electricity, it is also very dangerous.

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