Electrical engineer inspecting a power control panel or switchboard on a rooftop 照片檔

A professional electrical engineer or technician, wearing a hard hat and safety vest, carefully inspects the interior of an open electrical control panel on a building rooftop. He holds a tablet computer while analyzing the circuits, breakers, and wiring, performing maintenance or diagnosing a power system issue. This image represents the concepts of electrical engineering, power distribution, and industrial automation. It is ideal for topics related to energy management, renewable energy systems, facilities management, and the maintenance of critical electrical infrastructure.