1. Before the installation of the busbar device, the construction project shall meet the following conditions:
1. The foundation and structure meet the design requirements of electrical equipment;
2. Roof and floor construction is completed, no leakage;
3. The construction of the indoor ground base has been completed, and the leveling elevation will be marked on the wall;
4. The foundation and frame have reached the allowable installation strength, the quality of the welded components meets the requirements, and the walkway boards, railings and platforms of the high-rise frame are complete and firm;
5. All decoration works that may damage the installed busbar device or can no longer be carried out after installation are completed;
6. The doors and windows are installed, and the road for construction is unobstructed;
7. The reserved holes and pre-embedded iron parts of the busbar device shall meet the design requirements.