Choose the right box based on environment (indoor/outdoor), load capacity, and durability. Check for proper IP/NEMA ratings and material quality. Ensure safe placement: install in dry, accessible areas with good ventilation and at appropriate height (typically ~1. In large facilities, it is common for IT equipment to be arranged in a single room or data center. Depending on the extent of the business' IT needs, an entire building may be constructed for this purpose and designed to meet specific criteria and qualify as an IT room. Working space for equipment operating at 1000 volts, nominal, or less to ground and likely to require examination, adjustment, servicing, or. Panelboards shall be installed in accordance with the listing of the panelboard. NEC Article 408. This subpart addresses electrical safety requirements that are necessary for the practical safeguarding of employees in their workplaces and is divided into four major divisions as follows: (a) Design safety standards for electrical systems. 302 through. NFPA 70: National Electrical Code (NEC) dictates the minimum amount of space needed around the equipment for access, operations, safety reasons and conduit installation. Together, with the actual equipment sizes, this defines the overall minimum dimensional requirements of the room.