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• aerial, antenna, transmitting aerial go
  an electrical device that sends or receives radio or television signals
  
• attenuator go
  an electrical device for attenuating the strength of an electrical signal
  
• ballast, light ballast go
  an electrical device for starting and regulating fluorescent and discharge lamps
  
• battery, electric battery go
  a device that produces electricity
  
• bimetallic strip go
  a strip consisting of two metals that bends with a rise in temperature
  
• brush go
  conducts current between rotating and stationary parts of a generator or motor
  
• capacitor, capacitance, condenser, electrical condenser go
  an electrical device characterized by its capacity to store an electric charge
  
• cell, electric cell go
  a device that delivers an electric current as the result of a chemical reaction
  
• circuit, electrical circuit, electric circuit go
  an electrical device that provides a path for electrical current to flow
  
• board, control panel, instrument panel, control board, panel go
  electrical device consisting of a flat insulated surface that contains switches and dials and meters for controlling other electrical devices
  
• distributor, distributer, electrical distributor go
  electrical device that distributes voltage to the spark plugs of a gasoline engine in the order of the firing sequence
  
• electrograph go
  electrical device used for etching by electrolytic means
  
• electrostatic generator, electrostatic machine, Wimshurst machine, Van de Graaff generator go
  electrical device that produces a high voltage by building up a charge of static electricity
  
• filter go
  an electrical device that alters the frequency spectrum of signals passing through it
  
• flasher go
  an electrical device that automatically turns a lamp on and off (as for an advertising display)
  
• fuse, electrical fuse, safety fuse go
  an electrical device that can interrupt the flow of electrical current when it is overloaded
  
• inductor, inductance go
  an electrical device (typically a conducting coil) that introduces inductance into a circuit
  
• jack go
  an electrical device consisting of a connector socket designed for the insertion of a plug
  
• load go
  electrical device to which electrical power is delivered
  
• plug, male plug go
  an electrical device with two or three pins that is inserted in a socket to make an electrical connection
  
• precipitator, electrostatic precipitator, Cottrell precipitator go
  removes dust particles from gases by electrostatic precipitation
  
• reactor go
  an electrical device used to introduce reactance into a circuit
  
• rectifier go
  electrical device that transforms alternating into direct current
  
• relay, electrical relay go
  electrical device such that current flowing through it in one circuit can switch on and off a current in a second circuit
  
• resistance, resistor go
  an electrical device that resists the flow of electrical current
  
• security, security system, security measure go
  an electrical device that sets off an alarm when someone tries to break in
  
• Segway, Segway Human Transporter, Segway HT go
  (trademark) a self-balancing personal transportation device with two wheels
  
• solar array, solar battery, solar panel go
  electrical device consisting of a large array of connected solar cells
  
• spark arrester go
  electrical device to reduce sparking when electrical contacts are opened or closed
  
• plug, spark plug, sparking plug go
  electrical device that fits into the cylinder head of an internal-combustion engine and ignites the gas by means of an electric spark
  
• suppressor, suppresser go
  an electrical device for suppressing unwanted currents
  
• transducer go
  an electrical device that converts one form of energy into another
  
• transformer go
  an electrical device by which alternating current of one voltage is changed to another voltage
  
• transponder go
  electrical device designed to receive a specific signal and automatically transmit a specific reply
  
• zapper go
  an electrical device that can injure or kill by means of electric currents