There are two kinds of distribution box according to the use environment: outdoor box and indoor box. We will introduce the use and internal production structure of these two distribution boxes. Outdoor distribution box, as the name implies, the distribution box is used in the field, so the internal structure of the distribution box should be waterproof and rainproof. Generally, after the outdoor distribution box is produced, the distribution box manufacturer will conduct several outdoor rain and water-proof tests to achieve the effect of no leakage after the storm, which can be regarded as a qualified field distribution box.

However, the manufacturing center of indoor distribution box is a little different, and its internal structure is mainly to consider the problem of dust prevention, so the sealing of indoor distribution box should be stronger than that of outdoor distribution box. Generally, 201 stainless steel data is selected for indoor stainless steel distribution box, while 304 stainless steel is generally selected as field distribution box data due to long-time exposure to the sun and rain