Check the electrical load and ensure that the sensors do not exceed the 10 Amp maximum. Stacking two or three wires under one screw can cause loose connections over time, resulting in. However, the internal layout of some distribution boxes is chaotic, and the wires are messy, which not only affects the appearance, but also may cause wiring errors and increase the risk of failure. Insufficient waterproof and moisture-proof measures For outdoor distribution boxes, waterproof. During the construction and installation process, the methods to solve and prevent the failure of the distribution box include: Quality inspection: Make sure the distribution box and its components meet the standards, check whether the wiring is firm, and whether the materials are qualified. Issue: Frequent tripping of circuit breakers is one of the most common issues in distribution boards. Solution: Identify the Cause: Check if the breaker is tripping due to overloading. This often happens when too many. We recenently opened our breaker box to add two new circuits to an area we were finishing in our basement.