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UL 2755 OUTLINE
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UL 2755 OUTLINE 1st Edition, October 31, 2011 UL Standard for Safety Outline of Investigation for Modular Data Centers
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Description / Abstract:
This Outline of Investigation covers Modular Data Centers (MDC).
The Modular Data Centers covered by these requirements are
pre-fabricated units consisting of an outer enclosure housing ITE
and various support equipment such as electrical service and
distribution equipment, HVAC systems and the like. Some
configurations may have the support equipment housed in a separate
enclosure. A typical construction may use a standard ISO shipping
container or other structure as the outer enclosure, racks or
cabinets of ITE, NEC compliant service entrance equipment and power
distribution components, power storage such as a UPS and an air or
liquid cooling system.
These factory-built modules incorporate pre-installed materials and equipment which, after installation, may be concealed and may not be accessible for inspection at the final installation site.
The modular data centers covered by these requirements are intended for fixed installation either indoors or outdoors based on their construction and resistance to environmental conditions. MDCs intended for outdoor use shall be identified with a NEMA environmental class rating.
These requirements are intended to demonstrate compliance with the National Electrical Code (NEC), NFPA 70 and other national Codes such as Building, Fire, Plumbing, Mechanical, and the like. Where state or local codes differ from the national codes anticipated by these requirements, determining compliance with these codes is the responsibility of the local authority having jurisdiction.
When these requirements do not cover a specific technology or construction feature, the applicable requirements of the National Codes shall be used.
This Outline of Investigation assumes that the final installation of the MDC will be performed by qualified service personnel in accordance with the applicable installation instructions, installation practices and national installation codes. These MDCs are intended for installation subject to approval by the Authority Having Jurisdiction.
These factory-built modules incorporate pre-installed materials and equipment which, after installation, may be concealed and may not be accessible for inspection at the final installation site.
The modular data centers covered by these requirements are intended for fixed installation either indoors or outdoors based on their construction and resistance to environmental conditions. MDCs intended for outdoor use shall be identified with a NEMA environmental class rating.
These requirements are intended to demonstrate compliance with the National Electrical Code (NEC), NFPA 70 and other national Codes such as Building, Fire, Plumbing, Mechanical, and the like. Where state or local codes differ from the national codes anticipated by these requirements, determining compliance with these codes is the responsibility of the local authority having jurisdiction.
When these requirements do not cover a specific technology or construction feature, the applicable requirements of the National Codes shall be used.
This Outline of Investigation assumes that the final installation of the MDC will be performed by qualified service personnel in accordance with the applicable installation instructions, installation practices and national installation codes. These MDCs are intended for installation subject to approval by the Authority Having Jurisdiction.