In the field of switchgear construction for video surveillance and alarm systems, the assembly involves several critical components and procedures. The construction starts with robust enclosures, often made from stainless steel, which are designed to house and protect all internal components. These enclosures, also known as connection boxes, come with mounting plates that facilitate the organized arrangement of the hardware. The power supply units are crucial for ensuring stable and continuous operation. Moreover, the connection of these boxes involves meticulous wiring practices to maintain functionality and safety. Additionally, IP (Ingress Protection) ratings are considered to ensure that each enclosure is suitably resistant to environmental factors such as dust and water, enhancing the system's reliability and longevity in diverse operational conditions.