When we buy a power adapter, we often find that some of the locations have written instructions, some are stickers, some are engraved, and some are printed. So what do they mean? How do we understand that? Let's take a common adapter nameplate and interpret what it means.
1.First, we will see the logo on the title of the nameplate, which is the trademark of the customer or supplier;
2. Next is the name of the machine you bought;
3. (model) : this represents the supplier's serial number for the power adapter;
4. As shown in the figure above, it is indicated that this power supply can be used at 100-240v ~ and the frequency is 50/60hz, indicating the output. As shown in the diagram, this power adapter can be used as long as it is in 12 and the current does not exceed 0.6a;
5. V represents level 5 energy efficiency. Generally speaking, some power adapters may not be labeled;
6. Safety warning, indicating the precautions for using this power supply;
7. safety signs, general plugged into a wall power adapter on the nameplate will only have a safety certificate symbols, such as: CE said the gage pins, UL said the gauge pins, etc., but the desktop power adapter is can call on a variety of certification symbols, for desktop power adapter end is equipped with the AC line, the pins of the AC line is different the corresponding certification is different also, desktop power adapter are C14 (tail), C8 tail (8), plum, etc., (note: C14, can't play "back" on the nameplate of marked) general safety symbol height greater than 5 mm, the height of the trash bin is greater than 7.0 mm.
8. The lower right corner indicates the place where the power supply is produced and the name of the supplier