Heavier oxidation and/or light burning can be dressed out using coarse emery followed by fine emery. Lightly grease contacts on completion with an approved lubricant as per. 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. Distribution boxes are the unsung heroes of our electrical systems, quietly managing power until something goes wrong. When they start tripping, overheating, or making strange noises, it's more than just an inconvenience - it's your home's cry for help. It houses Miniature Circuit Breakers (MCBs) that protect circuits from overloads and short circuits.