High-altitude telecom cabinets expose solar module systems to unique conditions. Increased solar irradiance at these elevations can enhance energy output, yet environmental stresses such as ultraviolet radiation, thermal cycling, and low pressure accelerate power.
The answer lies all around us, in the mysterious "boxes" and "antennas" standing on rooftops, roadsides, or towers—base stations. See Chapter 4, “External Grounding (Earthing),” for Type A and Type B for definitions and site grounding requirements.
As an underground structure attached to the communication base station, it does have simple structure, convenient construction and operation, low construction management costs, and anti-theft With the outstanding advantages of strong safety performance, it can also save.