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 Waterproof junction box is quite common in daily production and life. It is basically used in the construction process of shopping malls, residential buildings, and supermarkets. There are many types of waterproof junction box materials, and the forms of junction boxes are also divided into general-purpose and special-purpose types. Different choices are made according to different usage scenarioses. Let's take a look at the selection tips for waterproof junction boxes below.

  1. Sealing rubber ring of junction box

  There are many types of sealing rubber rings for waterproof junction box commonly seen on the market. When choosing, we should pay attention to various properties of the sealing rubber ring, such as heat resistance, hardness, density, tensile strength, etc. Because the usage environment of waterproof junction boxes is relatively special, we need to consider comprehensively, so as not to affect the construction progress.

  2. Screw selection on waterproof junction box

  Waterproof junction box has a very important component, which is the bolt. The quality of the bolt determines the quality of the junction box, so the material selection of the bolt is particularly important. Generally, there are two types of materials we see, one is PA, and the other is PA alloy. Because the usage scenarioses are different, the requirements are also different, so when choosing, we need to consider the torque force of the screw.