It receives incoming power from the utility transformer, generator, or main LV switchboard and distributes it safely and reliably to downstream panels, tenant feeders, lighting systems, HVAC equipment, escalators, lifts, fire systems, and other critical loads. Malls need to ensure power supply for various scenarios such as lighting, air conditioning, elevators, commercial equipment, and fire emergency systems As a commercial complex with multiple business formats, malls need to ensure power supply for various scenarios such as lighting, air conditioning. How main distribution board (mdb) are designed and specified for retail & shopping malls — requirements, standards, and key considerations. The Main Distribution Board (MDB) is the central hub of electrical power distribution in a retail or shopping mall. Equipped with top - notch components, it has a robust load capacity, easily handling the power needs of mall electrical devices. Its unique heat - dissipation design and intelligent. Shopping malls have numerous different pieces of equipment that need a continuous power supply. Power outages affect for example lighting, air conditioning, cold storage, and the operation of escalators and elevators.