Primary causes of failures include weather, external influences, and material defects, categorized into six main types. In modern power systems, distribution boxes are the core equipment for power distribution and control, and their stable operation is crucial to ensuring the safety and reliability of power supply. ②The management of the purchase and storage of the distribution box is not strict. When they start tripping, overheating, or making strange noises, it's more than just an inconvenience - it's your home's cry for help. When this happens, other transformers are often called upon to pick up the interrupted.