What are the differences between different types of industrial plugs? These are the basic things you need to know before you buy industrial plugs. A socket into which one or more circuit wiring can be inserted, through which various wiring can be inserted to facilitate connection with other circuits. IP54, that is, dust prevention is level 5: dust intrusion cannot be completely prevented, but the amount of dust intrusion will not affect the normal operation of the product; Waterproof grade 4: prevent splashing water from invading, and prevent splashing water from all directions from invading. The power socket has one or more seats into which circuit wiring can be inserted, through which various wiring can be inserted to facilitate connection with other circuits. If you don't know, here's how you distinguish industrial plugs.1. Splash-proof industrial plugThis type of industrial plug belongs to the general type of waterproof industrial plug. The protection level of 44 is common in ordinary families. Because there is no seal, it is possible to prevent only a certain amount of water from running in the water.2. Immersion-proof industrial plugIndustrial plugs are also called waterproof type. The protection level is 67, which is a very tight industrial plug. This product can be used in water for a short time. At present, the best sealed industrial plug in the world can be used in water for about 3 hours.3. Pole numberThere are three-pole, four-pole and five-pole industrial plugs. Different customers can choose different numbers of industrial plugs according to their own plugs and use according to the rated voltage intensity of each level.4. AppearanceWith the long-term development of industrial plugs in China, various industrial plugs with different shapes have appeared. There are rods and right angles, and of course there are other shapes that customers can customize according to their own ideas.