How to Identify: If your box is located in a humid, dusty, or poorly ventilated area, you may notice performance degradation or signs of rust on the casing. Regular maintenance: Carry out regular inspection and maintenance to discover and solve potential problems in time to ensure safe operation. Waterproof and moistureproof: If. Proper ventilation is essential for preventing potential health risks. This article delves into the significance of warehouse ventilation, the challenges associated with inadequate systems, and best. One of the most common issues with 3 Phase Electrical Distribution Boxes is the overheating of circuit breakers. This problem arises when the current load exceeds the breaker's capacity, causing the breaker to trip frequently or overheat.