The acceptance criteria for distribution box/cabinet debugging should be based on national specifications, design drawings and industry requirements, covering core dimensions such as electrical performance, safety protection and function realization. However, the key to a safe and reliable system lies in proper installation. If it's done poorly, you risk short circuits, fire hazards, or system failure. The requirements in this part govern the methods used in, and the facilities and controls used for, the design, manufacture, packaging, labeling, storage, installation, and. Integrating Site Conditions with Design Requirements to Standardize Installation Height. According to standards, the height from the bottom edge of a distribution box to the floor is generally 1. However, this height can be adjusted. According to the "Code for Acceptance of Construction Quality of Building Electrical Engineering" GB50303-2002, the vertical distance between the bottom surface of the fixed stainless steel enclosure ip67 and the ground should be greater than 1. The bottom surface. The installation requirements and specifications of Distribution box involve many aspects, including site selection, fixing method, wiring specifications and safety protection.