18 DECEMBER 2002
UFASUniform Federal Accessibility Standards
UFCUnified Facilities Criteria
ULUnderwriters Laboratories, Inc.
UPSuninterruptible power supply
VACvolts, alternating current
WANwide area network
ContractorAn entity that executes work in accordance with a contract.
Giant VoiceA nickname for the wide-area outdoor siren and voice signaling system
often found on military bases. Sometimes this system is called the "Big Voice."
Mass Notification SystemA system that provides real-time information to all building
occupants or personnel in the immediate vicinity of the building during emergency
A contractor that designs, fabricates, installs, starts up, tests, and
documents electrical and electronic systems using COTS components manufactured by
others. Qualified manufacturers can act as system integrators.