Electrical equipment in the precast compartment must be reliably grounded;

The installation location of electrical equipment should be as far away from the working power supply and personnel activity area as possible to reduce the impact on the surrounding environment;

Electrical equipment should be connected correctly according to the design requirements. During installation, avoid connecting cables directly above the switch control loop in the cabin to avoid damage to the equipment.

The installation of electrical equipment in the cabin should meet the design requirements, the laying of electrical lines should be standardized, there should be no exposed wire ends, the arrangement of electrical components between the equipment should be reasonable, and the electrical components and wire joints should be firm and reliable.