Glossary
AHJ
authority having jurisdiction
branch circuit
The conductors and components following the last overcurrent protective device protecting a load.
control transformer
A transformer whose secondary supplies power to control circuit devices only (excluding loads).
cover
An unhinged portion of an enclosure that covers an opening.
door
A hinged portion of an enclosure that covers an opening.
ECS
environmental control system
EPO
emergency power off
equipment
A general term, including fittings, devices, appliances, luminaries, apparatus, machinery, and the like used as a part of, or in connection with, a modular data center (Source: NEC).
fuse, branch circuit type
A fuse of Class CC, G, H, J, K, L, R, and T. These fuses are able to provide branch circuit protection.
IEC
International Electrotechnical Commission
LLS
LLS means look, listen, and sniff. Use your visual, auditory, and olfactory senses to detect electrical fires.
NA
North American
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