1. Improve the wiring mode of the low-voltage capacitor bank of the original distribution box, and change its installation position from the pile head on the AC contactor to the connection between the low-voltage incoming line of the distribution box and the meter.

1. The installation positions of all distribution boxes and switch boxes in the construction power distribution system shall be reasonably determined. 2. All electrical equipment on the construction site must be equipped with dedicated switch boxes. 3. The construction power distribution system shall include a general distribution box, distribution boxes and switch boxes, which are to be arranged hierarchically in the sequence of "general-distribution-switch" to form a "three-level power distribution" mode. 4. The temporary power distribution system must maintain balanced three-phase loads. 5. The enclosures and internal configurations of all levels of distribution boxes must comply with safety regulations.