#conductor  a device designed to transmit electricity, heat, etc.
  supertype:  device  an instrumentality invented for a particular purpose; "the device is small enough to wear on your wrist"; "a device intended to conserve water"
  subtype:  busbar__bus  an electrical conductor that makes a common connection between several circuits; "the busbar in this computer can transmit data either way between any two components of the system"
  subtype:  transmission_line__cable__line  a conductor for transmitting electrical or optical signals or electric power
     subtype:  coaxial_cable__coaxialcable__coax__coax_cable  a transmission line for high-frequency signals
        subtype:  ethernet_cable  any of several types of coaxial cable used in ethernets
     subtype:  electrical_cable  a cable that provides an electrical connection for telephone or television or power stations
     subtype:  fiber_optic_cable__fiberopticcable__fibre_optic_cable__fibreopticcable  a cable made of optical fibers that can transmit large amounts of information at the speed of light
     subtype:  power_line__powerline__power_cable__powercable  cable used to distribute electricity
     subtype:  printer_cable__printercable  a cable between a computer and a printer
  subtype:  electric_cord__cord  a light insulated conductor for household use
     subtype:  extension_cord__extensioncord  an electric cord used to extend the length of a power cord
     subtype:  power_cord__powercord  a cord to conduct power to an electrical appliance
  subtype:  electrode  a conductor used to make electrical contact with some part of a circuit
     subtype:  anode  a positively charged electrode by which electrons leave an electrical device
        subtype:  plate.anode  the positively charged electrode in a vacuum tube
     subtype:  base.electrode  (electronics) the part of a transistor that separates the emitter from the collector
     subtype:  cathode  a negatively charged electrode that is the source of electrons in an electrical device
        subtype:  photocathode  a cathode that emits electrons when illuminated
     subtype:  collector.electrode  the electrode in a transistor through which a primary flow of carriers leaves the region between the electrodes
     subtype:  electron_gun  the electrode that is the source of electrons in a cathode-ray tube or electron microscope; consists of a cathode that emits a stream of electrons and the electrostatic or electromagnetic apparatus that focuses it
     subtype:  emitter  the electrode in a transistor where electrons originate
     subtype:  control_grid__controlgrid__grid  an electrode placed between the cathode and anode of a vacuum tube to control the flow of electrons through the tube
  subtype:  heat_sink  a metal conductor specially designed to conduct (and radiate) heat
  subtype:  lightning_conductor__lightning_rod__lightningrod  a metallic conductor that is attached to a high point and leads to the ground; protects the building from destruction by lightning
  subtype:  semiconductor_device__semiconductordevice__semiconductor_unit__semiconductorunit__semiconductor  a conductor made with semiconducting material
     subtype:  semiconductor_diode__semiconductordiode__diode__junction_rectifier__crystal_rectifier__crystalrectifier  a semiconductor that consists of a p-n junction
        subtype:  light-emitting_diode__LED  diode such that light emitted at a p-n junction is proportional to the bias current; color depends on the material used
     subtype:  n-type_semiconductor  a semiconductor in which electrical conduction is due chiefly to the movement of electrons
     subtype:  p-type_semiconductor  a semiconductor in which electrical conduction is due chiefly to the movement of positive holes
     subtype:  thermistor__thermal_resistor__thermalresistor  a semiconductor device made of materials whose resistance varies as a function of temperature; can be used to compensate for temperature variation in other components of a circuit
     subtype:  electronic_transistor__transistor__junction_transistor  a semiconductor device capable of amplification
        subtype:  p-n-p_transistor__pnptransistor  a junction transistor having an n-type semiconductor between a p-type semiconductor that serves as an emitter and a p-type semiconductor that serves as a collector
  subtype:  electrical_shunt__shunt__bypass  a conductor having low resistance in parallel with another device to divert a fraction of the current
  subtype:  waveguide__wave_guide  a hollow metal conductor that provides a path to guide microwaves; used in radar
  subtype:  conducting_wire__wire  a metal conductor that carries electricity over a distance
     subtype:  filament  a thin wire (usually tungsten) that is heated white hot by the passage of an electric current
     subtype:  jumper_cable__jumper_lead__lead  a jumper that consists of a short piece of wire; "it was a tangle of jumper cables and clip leads"
        subtype:  clip_lead  a short piece of wire with alligator clips on both ends
     subtype:  lead-in  wire connecting an antenna to a receiver or a transmitter to a transmission line
     subtype:  patchcord  a length of wire that has a plug at each end; used to make connections at a patchboard
     subtype:  telephone_wire__telephonewire__telephone_line__telephoneline__telegraph_wire__telegraphwire__telegraph_line__telegraphline  the wire that carries telegraph and telephone signals
        subtype:  telephone_cord__telephonecord__phone_cord__phonecord  the telephone wire that connects to the handset

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