Because cabinets can have locked doors, the cabinets do not have to be in battery rooms; they can be installed directly adjacent to the UPS system and/or the information technology equipment. This eliminates the need for long dc cabling. Battery. . Section 480. Below is a preview of the NEC®. ORG for the complete code section. System with the battery cabinets on the right and the system components on the left. . Valve regulated lead acid (VRLA) batteries are typically specified for these applications, however vented lead acid (VLA) or nickel cadmium (NiCad) batteries have been specified by the end user as well. Traditionally some of the main problems that occur on a UPS with a battery system is that it has. . The following constraints must be considered for cabinet clearances: In line-ups where battery back-up cabinets may be needed, the footprint location must be ascertained ahead of time because batteries cannot be added easily to side-by-side cabinets when battery back-up cabinets are in the center. . UPS batteries must be as close as practical to the UPS.
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