亚洲欧美日韩国产精品一区_美女粉嫩饱满的一线天MP4_中文字幕成熟丰满人妻_幻女FREE性俄罗斯_人人爽久久涩噜噜噜AV_中文字幕久久无码亚州激情_欧美人与动牲交大全免费_亚洲精品久久久久久动漫_777yyy亚洲精品一区二区_日产区一线二线三线区

1. Green rust on industrial waterproof plugs indicates high humidity near the plug, which may cause short circuits in the wires due to the electrification of the two poles.

2. Try not to install the plug at the bottom as moisture flows downwards. Installing the industrial waterproof plug at the top of the fog lamp can better avoid moisture.

3. When using industrial waterproof plugs indoors, it is important to wipe away any moisture on your hands in order to avoid the risk of electric shock.

4. Loose industrial waterproof plugs and sockets are prone to heating due to poor contact, and over time, it is highly likely to cause a fire.

5. The blackening of plugs and sockets may be caused by overcurrent and short circuits. Replace immediately after discovery to avoid accidents.

6. The accumulated dust in the plug is easy to combine with water, which makes the two poles originally separated form a path, causing pollution and conduction and short circuit, and a fire caused by excessive heating of a large amount of current. So it is necessary to check regularly to avoid accidents.

7. Industrial waterproof plugs have different level standards, and the higher the level, the higher the safety performance of the waterproof plug. When choosing industrial waterproof plugs, one should choose ones with a relatively high safety level. Generally, it depends on whether their level has reached IP55 or above, in order to meet the standard.