Of course, choosing the right size Waterproof Case is first determined based on the size of the existing components and the location of the equipment. However, we should also consider whether new components will be added in the future, and if so, whether his space is sufficient. Also note that the reference size provided by the Waterproof Case supplier is the external size or the internal size. The installable space is usually smaller than the internal dimensions provided, which should also be noted.
2. Note that the standard configuration of the product contains those parts
Most manufacturers (* are domestic manufacturers) whose product numbers do not reflect those standard accessories. Usually we can understand that a junction box contains a box cover, a box body, a sealing strip and a box cover screw. According to different needs, the manufacturer will also equip optional accessories such as wall fixing angles, installation floors, and cable joints. In order not to cause trouble afterwards, it is very necessary to figure out which are standard parts and which are optional accessories before ordering.