The daily maintenance of the distribution box should pay attention to cleaning the inside and outside of the distribution device; check the porcelain bushing, all kinds of electrical connectors and buses; check whether the connection of each device is good; pay close attention to. The daily maintenance of the distribution box should pay attention to cleaning the inside and outside of the distribution device; check the porcelain bushing, all kinds of electrical connectors and buses; check whether the connection of each device is good; pay close attention to. The condition of electrical installations must be monitored continuously and possible defects must be removed. Like the other parts of a building, electrical systems do not remain safe and in working order by themselves. Electrical installations, wiring accessories, electrical equipment and the. 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. The primary components of a distribution box include the main circuit breaker, which serves as the first line of defense against. Whether construction or maintenance of electrical equipment is concerned, we reliably meet our customers' needs with professional skill. We've all seen it—that weird burning smell in older buildings or the flickering lights that become "normal.