Buying and selling industrial plugs is not a simple study, because there are many factors that will affect your choice. You need to judge the quality of industrial plugs according to your vision. These are also very difficult for some old customers, while new customers are almost always chosen by luck. Only customers who have experienced many bad products will have a choice. Embedded socket is embedded in the integrated communication cabinet, which is a power supply device that provides basic DC power for communication and data equipment in the same cabinet. It also has certain universality. Industrial plugs are applicable to industry, generally divided into 3-core, 4-core, 5-core, etc. Current is generally divided into 16A, 32A, 63A, 125A, 250A, 420A, etc. The protection level can be divided into IP44 and IP67, which are relatively conventional. Generally, it is used with industrial sockets and connectors. Socket A socket into which one or more circuit wires can be inserted, through which various wires can be inserted to facilitate connection with other circuits. In fact, it is because there is no correct purchasing skill that Xiaobian shares the skills of purchasing industrial plugs for you here, so that you can avoid choosing inferior products to the greatest extent. 1. When you buy an industrial plug, the first thing you need to do is to observe the appearance of this product. If it is a high-quality product, the handwriting on the product parameters or other characters should be clearly visible and the color of the product itself should be uniform. There is no color fading anywhere, and the product feels concave and convex. In addition, industrial plugs are often used in some special environments, so the selection of production technology and materials is very meticulous, and defects such as cracks, bubbles, deformation and lost characters are hard to appear, which will be felt at the first sight of customers. 2. You can pick up an industrial plug when purchasing it, and then gently shake the socket below with both hands, making a collision sound, saying that if any part is loose, the inside of the part is not caught in the production process. High-quality products should be the sound that the internal part setting is vibration, and it is difficult to make the parts collide. 3. The materials selected for a good industrial plug are all of high quality, especially the internal copper sheet will be heavier because of its good quality. You can weigh it by hand when purchasing. If you find that this product is lighter in quality and does not feel heavy, it means that there are Jerry-building cases in production and it is not recommended to choose. 4. The brand of industrial plug itself is very important. 5. Besides your own eyesight and some techniques to simply test the quality of industrial plugs, there is another way to quickly know the detailed quality of this product. In other words, the on-site test is supported by many merchants or manufacturers, which allows customers to use the installed products in the simulation scene. If there is no problem, you can rest assured when purchasing. The above contents are the buying skills of industrial plugs introduced for you. If you are not a customer who buys industrial plugs, you can take a closer look to protect your purchase, which is more convenient and simple.