Equipped with communication routing function for terminal equipment of fire emergency lighting and evacuation indication system. Circuits and equipment that provide. The maintenance of electricalfunction is required in any structure in which large numbers of people congregate, for example, hospitals, hotels, underground railway sys-tems or tunnels. Fire-rated junction boxes provide an extra layer of protection in the event of a fire, ensuring circuit integrity and maintaining power for vital systems like fire. The main function of a Distribution Box is to act as a central hub. The single, thick cable bringing power from the utility company enters this box. When the fire power load of the building is level I and the AC power supply is used, the main power supply and emergency power supply should provide dual power supply, and the tree dry or radial power supply should be used.
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