Knowledges
When electric leakage or induction electrification occurs in household appliances, there will be a “numb hand” feeling. If the test pencil is used for inspection, both of them will make the neon bubble of the pencil red. If it is only inductive electricity, these appliances can still be used. If it is electric leakage, it … Read More “How to distinguish between inductive current and leakage” »