Banana plug in a lot of industrial equipment, audio, teaching instruments will be applied, in addition to the above said look at the appearance, and secondly, to pay attention to the banana plug's own data. For example, pay attention to whether the current capacity of the plug meets the rated current capacity of household appliances, the principle is that the rated current of the plug is not less than the rated current capacity of household appliances.
The most important and easiest first point is that we can observe whether the banana plug has the 3c certification mark, whether there are three packages and instruction manuals, and whether the detailed address and telephone number of the manufacturer or supplier.
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