An on-site distribution board inspection focuses on examining and testing the core of the electrical system: the distribution board, circuit breakers, residual current devices (RCDs), main switch, and connections. This way, you'll immediately spot any faults, loose wiring, outdated fuses, or unsafe connections in your meter box. We check. QuestionWe have been inspecting equipment according to NEN 3140 for some time. Are there any special things I should pay attention to? Answer You perform a visual inspection and then measure the continuity of the protective conductor up to. Forget cookie-cutter checklists – we're talking about the real, practical inspection points that determine whether a distribution box will perform flawlessly for decades or become an electrical hazard in five years. Picture an audit like a health check-up for manufacturing. The installation location should allow operators to enter safely to avoid inconvenience or safety hazards caused by improper. The long-term stable operation of the power distribution system relies on a reasonable operation and maintenance process, which places strict requirements on the maintenance of waterproof stainless steel box in actual on-site management. Look for any signs of burnt or damaged wiring. Testing Test the grounding system.