HP Performance Optimized Datacenter (POD) 240a Site Requirements Guide

Glossary 30
Glossary
AHJ
Authority Having Jurisdiction
DX
direct expansion
ECS
environmental control system
EPO
emergency power off
equipment
A general term, including fittings, devices, appliances, luminaires, apparatus, machinery, and the like used
as a part of, or in connection with, a modular data center. (Source: NEC.)
HVAC
Heating, Ventilation, and Air Conditioning
IEC
International Electrotechnical Commission
ISO
International Organization for Standardization
labeled
Equipment or materials to which has been attached a label, symbol, or other identifying mark of an
organization that is acceptable to the authority having jurisdiction and concerned with product evaluation,
that maintains periodic inspection of production of labeled equipment or materials, and by whose labeling
the manufacturer indicates compliance with appropriate standards or performance in a specified manner.
(Source: NEC.)
listed
Equipment, materials, or services included in a list published by an organization that is acceptable to the
authority having jurisdiction and concerned with evaluation of products or services, that maintains periodic
inspection of production of listed equipment or materials or periodic evaluation of services, and whose listing
states that either the equipment, material, or service meets appropriate designated standards potential of not
more than 42.4 V (DC or peak) supplied by a primary battery or by an isolated secondary circuit, and where