automatic transfer switch
1. A combination of an electrically operated, double-throw transfer switch and a control panel. Under normal circumstances, the connected load […]
Glossary
Glossary
Glossary
automatic fire-alarm system
A fire-alarm system which detects the presence of a fire and automatically initiates a signal indicating its detection.
Glossary
automatic fire detector
An alarm-initiating device that automatically detects heat, smoke, or other products of combustion.
Glossary
automatic fire door
A fire door that automatically closes a space when the temperature within the space reaches a predetermined value, or when
Glossary
automatic fire-extinguishing system
An approved system of devices and equipment that automatically detects a fire and then discharges an approved fire-extinguishing agent onto
Glossary
automatic fire pump
A pump which provides the required water pressure in a fire standpipe or sprinkler system; when the water pressure in
Glossary
automatic fire-suppression system
An engineered system using carbon dioxide (CO2), a foam wet or dry chemical, a halogenated extinguishing agent, or a clean
Glossary
automatic fire vent
1. A device installed in the roof of a large single-story building which operates automatically in the event of fire,
Glossary
automatic flushing system
A water tank system which provides automatically for the periodic flushing of urinals or other plumbing fixtures, or of pipes