systems (equipment)

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systems

Scope note: Designates complex assemblies of equipment and activities, arranged according to some scheme or plan, and intended to perform specific functions.

UF system

BT Object Groupings and Systems (hierarchy name)

300008550

systems

NT4 300242031 system components [+~]
- NT5 electrical system components [+~]
  - NT6 actuators
  - NT6 oscillators
  - NT6 transistors
  - NT6 electron tubes [+~]
    - NT7 diodes [+]
    - NT7 vacuum tubes [+]
  - NT6 capacitors
  - NT6 electrodes [+~]
    - NT7 ion-selective electrodes
  - NT6 insulators
  - NT6 resistors
  - NT6 rheostats [+~]
    - NT7 potentiometers
  - NT6 rheotomes
  - NT6 raceways [+~]
    - NT7 busways
  - NT6 electric cables [+~]
    - NT7 armored cables
    - NT7 power cables
  - NT6 circuit breakers
  - NT6 circuits
  - NT6 electric conduits
  - NT6 switchboards
  - NT6 electric switches
  - NT6 electric wiring
  - NT6 ground-fault circuit interruptors
  - NT6 power outlets
  - NT6 panelboards
  - NT6 receptacles
  - NT6 transformers [+~]
    - NT7 step-down transformers
    - NT7 step-up transformers
  - NT6 circuit boards
  - NT6 occupancy sensors
  - NT6 photovoltaic cells [+~]
    - NT7 solar cells
  - NT6 punch blocks (electrical connections)
  - NT6 magnetrons
  - NT6 [temporary alphabetical list: electrical system components] [+~]
    - NT7 alligator clips
    - NT7 anodes
    - NT7 ballast tubes
    - NT7 battery adapters
    - NT7 battery charger adapters
    - NT7 battery jars
    - NT7 battery testers
    - NT7 cable fault locators
    - NT7 AC-DC converters
    - NT7 binding posts
    - NT7 cathodes
    - NT7 decade boxes
    - NT7 dimmer switches
    - NT7 electric wires
    - NT7 electrical adapters
    - NT7 electrical boxes
    - NT7 electrical chokes
    - NT7 [electrical maintenance & repair equipment]
    - NT7 electrical modulators
    - NT7 electrical outlets
    - NT7 electrical plugs
    - NT7 electrical shunts
    - NT7 electrical switches
    - NT7 electrical terminals
    - NT7 electrical testers
    - NT7 electrical tubes
    - NT7 electrician's pliers
    - NT7 electrolytic capacitors
    - NT7 extension cords
    - NT7 fuse blocks
    - NT7 fuse boxes
    - NT7 fuse pullers
    - NT7 impedance transformers
    - NT7 induction coils
    - NT7 growlers
    - NT7 junction boxes
    - NT7 knife switches
    - NT7 magneto and coil testers
    - NT7 outlet boxes
    - NT7 relays
    - NT7 resistance boxes
    - NT7 resonant transformers
    - NT7 plug adapters
    - NT7 power cords
    - NT7 receptacle plugs
    - NT7 transfer switches
    - NT7 tube sockets
    - NT7 utility boxes
    - NT7 variable capacitors
    - NT7 voltage multipliers
    - NT7 single side band modulators
    - NT7 socket covers
    - NT7 socket plugs
    - NT7 wire nuts
    - NT7 wire sorters
    - NT7 solenoids
    - NT7 solenoid switches
    - NT7 spark arresters
    - NT7 tesla coils
    - NT7 time switches
- NT5 [plumbing and stormwater system components] [+~]
  - NT6 leader heads
  - NT6 catch basins
  - NT6 cesspools
  - NT6 cisterns (plumbing components)
  - NT6 drains [+~]
    - NT7 area drains
    - NT7 fixture drains
    - NT7 storm drains
    - NT7 French drains
  - NT6 gutters (building drainage components) [+~]
    - NT7 arris gutters
    - NT7 valley gutters
    - NT7 back gutters
    - NT7 eaves gutters
  - NT6 piping (plumbing system components) [+~]
    - NT7 downspouts
    - NT7 drainage piping
    - NT7 DWV piping
    - NT7 mains (plumbing)
    - NT7 stacks (piping) [+]
    - NT7 risers (piping)
    - NT7 service pipes
    - NT7 pipe fittings (components)
  - NT6 plumbing fixtures [+~]
    - NT7 drinking fountains
    - NT7 washfountains
    - NT7 bathtubs [+]
    - NT7 bidets (plumbing fixtures)
    - NT7 sinks (fixtures) [+]
    - NT7 toilets (fixtures) [+]
    - NT7 urinals (plumbing fixtures)
    - NT7 laundry trays
    - NT7 water conditioners
    - NT7 shower heads
    - NT7 bath basins
  - NT6 seepage pits
  - NT6 septic tanks
  - NT6 sumps
  - NT6 traps (plumbing system components) [+~]
    - NT7 fixture traps
    - NT7 house traps
  - NT6 water heaters [+~]
    - NT7 solar water heaters
  - NT6 water storage tanks
  - NT6 leaching fields
  - NT6 impluvia
  - NT6 waterspouts [+~]
    - NT7 gargoyles
    - NT7 lion-head spouts
    - NT7 śuṇḍu
  - NT6 safes (plumbing components)
  - NT6 rain barrels
  - NT6 [temporary alphabetical list: plumbing and stormwater system components] [+~]
    - NT7 bathroom sinks
    - NT7 drain covers
    - NT7 indoor fountains
    - NT7 kitchen sinks
    - NT7 pedestal sinks
    - NT7 plumbing & drainage elements
    - NT7 plumbing pipes
    - NT7 plumbing pumps
    - NT7 sink sprayers
    - NT7 sink stoppers
    - NT7 water heater stands
    - NT7 water supply pipes
  - NT6 nāla
- NT5 HVAC components [+~]
  - NT6 ventilation system components [+~]
    - NT7 ventilators (ventilation components)
    - NT7 air filters [+]
    - NT7 air-handling units
    - NT7 blowers
    - NT7 dampers (HVAC components)
    - NT7 air distribution systems
    - NT7 air diffusers
    - NT7 air ducts
    - NT7 registers (HVAC components)
    - NT7 cowls (ventilation system components)
    - NT7 plenum chambers
    - NT7 fume hoods
  - NT6 [cooling, heating and humidifying components] [+~]
    - NT7 furnaces (heating components) [+]
    - NT7 air washers
    - NT7 boilers (HVAC components) [+]
    - NT7 cooling towers
    - NT7 heat pumps [+]
    - NT7 heat exchangers [+]
    - NT7 thermostats
    - NT7 radiator enclosures
    - NT7 breechings
    - NT7 trompes (cooling components)
    - NT7 solar thermal panels
    - NT7 stovepipes (pipes)
  - NT6 heat-distributing units [+~]
    - NT7 baseboard units
    - NT7 convectors
    - NT7 radiators
    - NT7 thermal masses
- NT5 telecommunication systems components [+~]
  - NT6 television receivers
  - NT6 radio receivers
  - NT6 telephones [+~]
    - NT7 cellular telephones
    - NT7 smartphones
  - NT6 transceivers [+~]
    - NT7 walkie-talkies
  - NT6 antennas [+~]
    - NT7 [antennas by form] [+]
    - NT7 [antennas by function] [+]
  - NT6 field telephones
  - NT6 telephone wires
  - NT6 microphones [+~]
    - NT7 dynamic microphones
    - NT7 ribbon microphones
    - NT7 condenser microphones
    - NT7 lavaliers
  - NT6 telegraphs [+~]
    - NT7 engine-room telegraphs
  - NT6 liquid crystal displays
  - NT6 remote controls
  - NT6 [temporary alphabetical list: telecommunication systems components] [+~]
    - NT7 answering machines
    - NT7 antenna insulators
    - NT7 antenna lead cables
    - NT7 antenna rotors
    - NT7 antenna wires
    - NT7 cable connectors
    - NT7 cable converters
    - NT7 communication insulators
    - NT7 console radios
    - NT7 console televisions
    - NT7 cordless telephones
    - NT7 car radios
    - NT7 cb radios
    - NT7 coaxial cables
    - NT7 coherers
    - NT7 coin-operated telephones
    - NT7 color converters
    - NT7 crystal radios
    - NT7 descramblers
    - NT7 desk telephones
    - NT7 instructographs
    - NT7 grounding rods
    - NT7 headsets
    - NT7 magneto telephones
    - NT7 pagers
    - NT7 morse code instruction devices
    - NT7 natrometers
    - NT7 omnigraphs
    - NT7 remote servos
    - NT7 rooftop antennas
    - NT7 portable radios
    - NT7 portable televisions
    - NT7 radio antennas
    - NT7 radio frequency amplifiers
    - NT7 radio headsets
    - NT7 radio scanners
    - NT7 radio transmitters
    - NT7 radio tuners
    - NT7 radiophones
    - NT7 transistor radios
    - NT7 transmitters (telecommunication )
    - NT7 transponders
    - NT7 satellite dishes
    - NT7 satellite telephones
    - NT7 scramblers
    - NT7 set-top antennas
    - NT7 uhf converters
    - NT7 varioplexes
    - NT7 signal splitters
    - NT7 wall telephones
    - NT7 stock tickers
    - NT7 submarine cables
    - NT7 table radios
    - NT7 tdds
    - NT7 telecommunication accessories
    - NT7 telecommunication cables
    - NT7 telecommunication devices
    - NT7 telecommunication equipment cases
    - NT7 telecommunication media
    - NT7 telecommunication wire
    - NT7 telegraph keys
    - NT7 telegraph printers
    - NT7 telegraph sounders
    - NT7 telegraph wires
    - NT7 telegraph wire insulators
    - NT7 telemeters
    - NT7 telephone cables
    - NT7 telephone cases
    - NT7 telephone jacks
    - NT7 telephone line doublers
    - NT7 telephone switchboards
    - NT7 telephone wire insulators
    - NT7 teleprinters
    - NT7 teletypes
    - NT7 teletypewriters
    - NT7 television antennas
    - NT7 television converters
    - NT7 television transmitters
    - NT7 television tuners
    - NT7 ticker tape
    - NT7 ticker tape machines
  - NT6 fax machines
  - NT6 televisions (viewing devices)
- NT5 infrastructural elements [+~]
  - NT6 dam elements [+~]
    - NT7 fishways
    - NT7 spillways
    - NT7 stilling basins
    - NT7 penstocks
  - NT6 transportation elements [+~]
    - NT7 bridge elements [+]
    - NT7 [road and roadside elements] [+]
    - NT7 grade crossings
    - NT7 transit system elements [+]
    - NT7 roadbeds
  - NT6 utilities components [+~]
    - NT7 water mains
    - NT7 utility poles [+]
    - NT7 power lines
    - NT7 gas pipelines
    - NT7 oil pipelines [+]
    - NT7 oil pumping stations
- NT5 protection system components [+~]
  - NT6 fire alarm system components [+~]
    - NT7 fire detectors [+]
    - NT7 smoke detectors [+]
    - NT7 manual stations
  - NT6 fire extinguishing system components [+~]
    - NT7 fire sprinklers
  - NT6 security system components [+~]
    - NT7 burglar alarms
  - NT6 [temporary alphabetical list: protection system components] [+~]
    - NT7 alarms
    - NT7 gas alarms
    - NT7 gas detectors
    - NT7 gas mask carriers
    - NT7 fire alarm boxes
    - NT7 fire protection devices [+]
    - NT7 protective devices
    - NT7 security card readers
    - NT7 security devices
    - NT7 security keypads
    - NT7 security locks
    - NT7 security scanners
    - NT7 smoke alarms
    - NT7 x-ray security scanners
    - NT7 sandbags
NT4 300242038 [systems by function] [+~]
- NT5 waterworks
- NT5 electrical systems [+~]
  - NT6 emergency power supply
  - NT6 grounded systems
  - NT6 electrical system components [+~]
    - NT7 actuators
    - NT7 oscillators
    - NT7 transistors
    - NT7 electron tubes [+]
    - NT7 capacitors
    - NT7 electrodes [+]
    - NT7 insulators
    - NT7 resistors
    - NT7 rheostats [+]
    - NT7 rheotomes
    - NT7 raceways [+]
    - NT7 electric cables [+]
    - NT7 circuit breakers
    - NT7 circuits
    - NT7 electric conduits
    - NT7 switchboards
    - NT7 electric switches
    - NT7 electric wiring
    - NT7 ground-fault circuit interruptors
    - NT7 power outlets
    - NT7 panelboards
    - NT7 receptacles
    - NT7 transformers [+]
    - NT7 circuit boards
    - NT7 occupancy sensors
    - NT7 photovoltaic cells [+]
    - NT7 punch blocks (electrical connections)
    - NT7 magnetrons
    - NT7 [temporary alphabetical list: electrical system components] [+]
- NT5 conveying systems [+~]
  - NT6 vertical conveying systems [+~]
    - NT7 dumbwaiters (conveying systems)
    - NT7 elevators [+]
    - NT7 manlifts
    - NT7 platform lifts
  - NT6 [diagonal and multidirectional conveying systems] [+~]
    - NT7 inclined elevators
    - NT7 escalators
    - NT7 inclined lifts [+]
    - NT7 moving ramps
    - NT7 pneumatic tubes
  - NT6 horizontal conveying systems [+~]
    - NT7 moving walkways
- NT5 HVAC [+~]
  - NT6 heating systems [+~]
    - NT7 furnaces (heating components) [+]
    - NT7 resistance heating
    - NT7 hot water heating
    - NT7 radiant heating [+]
    - NT7 solar heating (systems) [+]
    - NT7 steam heating [+]
    - NT7 warm air heating [+]
    - NT7 heat-distributing units [+]
  - NT6 ventilation (systems) [+~]
    - NT7 exhaust ventilation (systems)
    - NT7 mechanical ventilation (systems)
    - NT7 natural ventilation (systems)
    - NT7 ventilation system components [+]
  - NT6 air conditioning [+~]
    - NT7 central air conditioning
    - NT7 incremental air conditioning
    - NT7 air washers
  - NT6 air cooling [+~]
    - NT7 chilled water systems
    - NT7 refrigerant systems
    - NT7 ice storage systems
    - NT7 passive cooling
  - NT6 HVAC components [+~]
    - NT7 ventilation system components [+]
    - NT7 [cooling, heating and humidifying components] [+]
    - NT7 heat-distributing units [+]
  - NT6 [temporary alphabetical list: HVAC] [+~]
    - NT7 chiller systems
    - NT7 coal furnaces
    - NT7 dehumidifiers
    - NT7 environmental control elements
    - NT7 exhaust fans
    - NT7 fireboards
    - NT7 fireplace dampers
    - NT7 fireplace doors
    - NT7 hvac boilers
    - NT7 hvac coils
    - NT7 hvac compressors
    - NT7 hvac condensers
    - NT7 hvac evaporators
    - NT7 hvac filters
    - NT7 recirculating fans
    - NT7 vent caps
    - NT7 ventilation fans
    - NT7 ventilator damper
- NT5 lighting [+~]
  - NT6 [lighting by method of illumination] [+~]
    - NT7 electric lighting
    - NT7 gas-lighting
    - NT7 fluorescent lighting
    - NT7 daylighting
    - NT7 artificial lighting
  - NT6 [lighting by location or context] [+~]
    - NT7 exterior lighting
    - NT7 interior lighting [+]
    - NT7 stage lighting
  - NT6 [lighting by function] [+~]
    - NT7 architectural lighting [+]
    - NT7 emergency lighting
- NT5 stormwater systems
- NT5 communication systems (mechanical and electrical systems) [+~]
  - NT6 television antenna systems
  - NT6 clock and program systems
  - NT6 sound systems [+~]
    - NT7 intercom systems
    - NT7 public address systems
    - NT7 doorbells [+]
    - NT7 sound-reproducing systems
    - NT7 audioguides
    - NT7 call bells
  - NT6 NTSC system
- NT5 protection systems [+~]
  - NT6 fire protection systems [+~]
    - NT7 fire alarm systems [+]
    - NT7 fire extinguishing systems [+]
  - NT6 security systems [+~]
    - NT7 electronic security systems
    - NT7 security system components [+]
  - NT6 protection system components [+~]
    - NT7 fire alarm system components [+]
    - NT7 fire extinguishing system components [+]
    - NT7 security system components [+]
    - NT7 [temporary alphabetical list: protection system components] [+]
- NT5 plumbing systems [+~]
  - NT6 [plumbing and stormwater system components] [+~]
    - NT7 leader heads
    - NT7 catch basins
    - NT7 cesspools
    - NT7 cisterns (plumbing components)
    - NT7 drains [+]
    - NT7 gutters (building drainage components) [+]
    - NT7 piping (plumbing system components) [+]
    - NT7 plumbing fixtures [+]
    - NT7 seepage pits
    - NT7 septic tanks
    - NT7 sumps
    - NT7 traps (plumbing system components) [+]
    - NT7 water heaters [+]
    - NT7 water storage tanks
    - NT7 leaching fields
    - NT7 impluvia
    - NT7 waterspouts [+]
    - NT7 safes (plumbing components)
    - NT7 rain barrels
    - NT7 [temporary alphabetical list: plumbing and stormwater system components] [+]
    - NT7 nāla
  - NT6 water distribution systems [+~]
    - NT7 downfeed systems
    - NT7 upfeed systems
  - NT6 sanitary drainage systems
- NT5 infrastructural systems [+~]
  - NT6 transit systems (infrastructure) [+~]
    - NT7 railroads (infrastructure)
    - NT7 public transit (infrastructure) [+]
  - NT6 utilities (infrastructures) [+~]
    - NT7 water supply systems [+]
    - NT7 municipal lighting
    - NT7 street lighting
    - NT7 utilities components [+]
  - NT6 telecommunication systems [+~]
    - NT7 police communication systems
    - NT7 telephone systems [+]
    - NT7 telecommunication systems components [+]
    - NT7 television (telecommunication system) [+]
    - NT7 radio (telecommunication system) [+]
    - NT7 intranets
    - NT7 wireless sensor networks
    - NT7 telex
  - NT6 drainage systems
  - NT6 Internet [+~]
    - NT7 World Wide Web [+]
- NT5 signage
- NT5 seating [+~]
  - NT6 icpalli (seat)
- NT5 geographic systems [+~]
  - NT6 geographic information systems
  - NT6 Global Positioning System
  - NT6 Electron Marker System
- NT5 film projection systems [+~]
  - NT6 VistaVision (TM)
- NT5 computer systems [+~]
  - NT6 information systems [+~]
    - NT7 cataloging systems
    - NT7 collection management systems
- NT5 digital projection
NT4 300242040 [systems by location or context] [+~]
- NT5 building systems [+~]
  - NT6 mechanical systems
- NT5 home entertainment systems [+~]
  - NT6 home theaters

Català sistema
Castellano sistemas

Date of creation: 18-Nov-2024

Accepted term: 18-Nov-2024