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Is the secondary line of the distribution cabinet wired on site? Why not?

It is field wiring, and the reasons for not wiring are as follows:

1. Safety considerations: The secondary wiring of the power distribution cabinet needs accurate operation, including correct wiring, straightening, consistent arrangement without crossing, etc. If wiring is carried out on site, there may be the risk of irregular or wrong operation, which may lead to circuit failure or safety accident.

2. Work efficiency: On-site wiring needs more time and human resources, and is easily limited by the on-site environment. In contrast, completing secondary wiring in the manufacturing process can improve work efficiency and quality control.

3. Convenient maintenance and overhaul: the secondary wiring is completed on site, and the later maintenance and overhaul may require more time and energy. Completing the secondary wiring in the manufacturing process can better organize and manage the wiring and facilitate the later maintenance and overhaul.