The distribution box (cabinet) is suitable for temporary power supply at the construction site and should meet the requirements of "three-level power distribution, two-level leakage protection, one machine one switch, one leakage one box" for power distribution and. The distribution box (cabinet) is suitable for temporary power supply at the construction site and should meet the requirements of "three-level power distribution, two-level leakage protection, one machine one switch, one leakage one box" for power distribution and. Environmental safety refers to the safety requirements for the installation and operational environment of the distribution system, including three aspects: operational environment, protective environment, and maintenance environment. The requirements are as follows: (1) Protective Environment:. spot and flexibly ready for use. Practical handling and a wide range of configuration op egulations (accident prevention). You can count on our small distributors for a range of uses in plant maintenance, trade or on constructi n sites, even under maximum load. By using our devices, you have met. The complete set of products can form a complete three-level protection system for construction electricity, achieving the goal of one machine, one switch, and one protection, which is very suitable for various standard engineering applications. The main distribution. Products of high and low voltage distribution box manufacturers Schneider, ABB, and Muller can be used for main switches and isolation in distribution boxes, and electromagnetic products are used for leakage switches in household distribution boxes. The wiring space is large, and the neutral wire. According to electrical wiring, it is required to assemble switchgear, measuring instruments, protective appliances and auxiliary equipment in a closed or semi-enclosed metal cabinet or screen to form low-voltage power distribution.