Specific glossary

  • A bolt of lightning n A discharge of lightning accompanied by thunder.
  • Advice n An opinion or recommendation offered as a guide to action, conduct, etc
  • Air conditioner n In an air conditioning system, the device that changes the temperature and humidity of a house or building.
  • Alternating current (AC)/ Direct current (DC) n It is an electric current in which the flow of electric charge periodically reverses direction, whereas in direct current (also dc), the flow of electric charge is only in one direction.
  • Analogue adj Representing data in a continuos range of values. It stands in opposition to ‘digital’.
  • Antenna n A metal piece, usually on top of a building, which receives the television signals.
  • Appliance n A machine, usually electrical, that is used for certain tasks. Examples are: a washing machine, a fridge, a toaster, etc.
  • (To) Apply for a job v to make an official request for a job or a place.
  • Array n a functional arrangement of interrelated objects or items of equipment. For example, an array of solar cells.
  • Automated house n A house which uses an automation system.
  • Automatic Main Switch AMS (IGA) n It protects an installation against high intensities and shortcuts.
  • Automation n A system which applies computer technology to meet the different requirements of a house or building.
  • Battery n A device containing an electric cell or a series of electric cells storing chemical energy that can be converted into electrical energy, usually in the form of direct current.
  • Binary logic n A system in which data are represented only by two digits: ‘1’ and ‘0’.
  • Broadcast v To transmit on the radio or the television.
  • Cabling: A bound or sheathed group of mutually insulated conductors.
  • Capacitor n A device for accumulating electric charge, usually consisting of two conducting surfaces separated by a dielectric.
  • Career n A profession or occupation chosen as one’s life’s work. For example: a career as an electrician.
  • Cathode ray tube set n A television set that uses analogue signals.
  • Central boiler n In a central heating system, the device that is used to heat the water that circulates through the pipes to the radiators.
  • Central heating n A heating system in which heat is generated in a central boiler and distributed through pipes and radiators.
  • charge n Amount of electricity.
  • Circuit breaker n In an electrical installation, a device that protects the circuit in case of overload or short circuit.
  • Coil n A conductor, as a copper wire, wound up in a spiral or other form.
  • (To) Comission v To authorize or engage (someone to do something). For example: to commission an architect to design a building.
  • Conduit pipe n A tube or duct for enclosing electric wires or cable.
  • Consumer unit n A particular type of distribution board comprising a type-tested co-ordinated assembly for the control and distribution of electrical energy, principally in domestic premises.
  • Control panel n A device which allows to control the different functions of a system.
  • Converter box n A device in a television system that changes the digital signals into analogue signals.
  • Copper n It is a chemical element with the symbol Cu. It is used as a conductor of heat and electricity.
  • Cordless phone n A portable telephone that uses radio waves, rather than a wire, to communicate with a base station that is connected to a standard landline.
  • Cover letter n A letter usually attached to the curriculum vitae where the candidate for a job introduces himself or herself to the employer and summarizes his or her skills.
  • Coverage n The geographical area, in which a wireless network provider offers cellular service for mobile phone users.
  • CRT n Acronym of: Cathode Ray Tube.
  • Curriculum vitae n A written statement of your experience and qualifications for a job which is presented to the employer as part of the job searching process.
  • CV n See: Curriculum vitae.
  • (To) Damage v to make less effective or less usable etc; to spoil. For example: “The snow damaged the roof”.
  • Device n A machine or a tool used for a specific purpose. Examples: a television set, a washing machine, a boiler, a control panel.
  • Dialling tone n the sound that comes from a telephone when it is ready for a call to be made.
  • Digital adj Representing data by using the binary logic. It stands in opposition to ‘analogue’.
  • Digital television n A television system that uses digital signals.
  • Digital terrestrial television n See: Digital television.
  • * Direct current (DC)/Alternating current (AC) n It is an electric current in which the flow of electric charge is only in one direction, whereas in Alternating current (AC) the flow of electric charge periodically reverses direction.
  • Dishwasher n A machine for washing dishes.
  • Display n A device capable of representing information visually, as on a cathode-ray tube screen.
  • Domestic robotics n See: ‘Automation’.
  • Domotics n A contraction of ‘Domestic robotics’.
  • DTT n Acronym of: Digital Terrestrial Television.
  • Efficiency n The ratio of the work done or energy developed by a machine, engine, etc., to the energy supplied to it, usually expressed as a percentage.
  • Electric circuit n The complete path through which the electric current can flow.
  • Electric cooker n An electric appliance used for cooking.
  • Electric grid n It is an interconnected network for delivering electricity from suppliers to consumers.
  • Electric installation n The system in a house or building that distributes electricity to the power points.
  • Electric wiring n See: electrical installation.
  • Electricity meter n A device used to measure the amount of electricity consumed by a house or building.
  • Extension cord n An electric cord used to extend the length of a power cord.
  • Faulty adj Having faults or defects. A faulty machine is a machine which is not working properly.
  • Feature n Characteristic.
  • Fixture n A piece of equipment or furniture which is fixed in position in a building or vehicle.
  • Frequency range n A group of frequencies in the electromagnetic spectrum that are assigned by regulatory agencies for a particular purpose. Also called a “frequency band.”
  • Fuse n A protection in an electric installation which breaks the circuit when there is an excess of power.
  • Gain n a measure of the increase in signal amplitude produced by an amplifier, expressed as the ratio of output to input. “Antenna gain” is a relative measure of an antenna’s ability to direct or concentrate radio frequency energy in a particular direction or pattern.
  • Grid-tied adj A grid-tied electrical system is a semi-autonomous electrical generation or grid energy storage system which links to the mains to feed excess capacity back to the local mains electrical grid. When insufficient electricity is generated, or the batteries are not fully charged, electricity drawn from the mains grid can make up the shortfall.
  • Ground wire n a lead from an electric apparatus to the earth or to a ground connection.
  • Grounding n A connection between an electrical circuit or device and the earth.
  • Handset n Telephone set with the mouthpiece and earpiece mounted on a single handle.
  • Hazard: n danger or risk.
  • Heat pump n A device that is used for heating and cooling a house.
  • Hint n tip or suggestion.
  • HVAC n Acronym of: Heating, Ventilation and Air Conditioning. It refers to the various systems that contribute to the comfort of a house or building.
  • Impedance n Measure of the opposition that a circuit presents to a current when a voltage is applied. Antenna impedance is a measure of the resistance to an electrical signal in an antenna.
  • Inductor n It is a passive electronic component that stores energy in the form of a magnetic field.
  • (To) Injure v To do or cause harm. For example: He injured his hand.
  • Input n In a digital circuit, the data that is introduced into the circuit, typically the signal emitted by a source.
  • Insulator n A material such as glass or porcelain with negligible electrical or thermal conductivity.
  • Interference n The inhibition or prevention of clear reception of broadcast signals.
  • Inverter n A device used to convert direct current into alternating current.
  • Keyboard n It is the set of typewriter-like keys that enables you to enter data into a computer and other devices.
  • Keypad n A control panel composed of a set of keys that allows to introduce codes to activate or disactivate a system.
  • Layout n It is an arrangement, plan or design. An example of a layout is a drawing of how a house will be built. In database management systems, layout refers to the way information is displayed.
  • Logic gate n In a digital circuit, a device that performs logical operations to produce a specific output.
  • Light bulb n A rounded glass container with a thin thread of metal inside that produces light when an electric current goes through it.
  • Loop n A closed circuit.
  • Magnetic field n It is the area of influence exerted by a magnetic force.
  • Meter n See: Electricity meter.
  • Miniature Circuit Breaker MCB (PIA): n They are electromechanical devices which protect an electrical circuit from an overcurrent.
  • Multimeter n An instrument for measuring the properties of an electrical circuit (as resistance, voltage, or current).
  • Noise n A disturbance in a signal.
  • Output n In a digital circuit, the information obtained by the circuit, normally a sound or an image.
  • Plug n A device, usually at the end of a cable, that connects an electric device to a power point.
  • Plug in v To supply a device with electric energy by introducing the plug into a power point.
  • Power point n A socket on the wall where you can connect an electric device.
  • Power station n An installation that creates and distributes electricity.
  • Probe n An electrode or other device that can be placed inside something to take and convey measurements.
  • Push button n A device designed to close or open an electric circuit.
  • Quotation n A formal statement of promise by potential a supplier to supply the goods or services required by a buyer, at specified prices, and within a specified period.
  • Radiator n In a central heating system, the device that contains the hot water and diffuses heat into a room.
  • REBT n Acronym of Reglament Electrotècnic de Baixa Tensió (Electro Technical Regulation on Low Voltage).
  • Refrigeration cycle n In an air conditioning system, the process in which heat is absorbed from indoors and transferred outdoors.
  • Renewable energy n It is generally defined as energy that comes from resources which are naturally replenished, such as sunlight, wind, rain, waves, etc.
  • Reverse valve n In a refrigeration cycle, a device that changes the order of the process and allows to change automatically from the function of an air conditioning system to that of a heating system.
  • Safety regulations n Rules that are put in place to ensure a product, event, etc, is safe and not dangerous.
  • Screwdriver n It is a tool, manual or powered, for turning (driving or removing) screws.
  • Selection knob n A round button for adjusting or controlling a machine.
  • Sensor n A device that detects a change in the area covered by it.
  • Short circuit n It is an abnormal connection between two nodes of an electric circuit intended to be at different voltages.
  • Skill n The knowledge required to perform certain tasks. In a language, there are four: reading, writing, listening and speaking.
  • Smart home n See: ‘Automated house’.
  • Socket n The point where you can connect an electric device to the electric circuit. See also ‘power point’.
  • Switch n A device that allows to open and close an electric circuit.
  • Television set n A device which receives the broadcast signals and transforms them into sound and image.
  • Transformer n A device that transforms an electrical current from one circuit to another and changes the voltage.
  • Turn off v To stop an electric device operating by turning or pushing a button.
  • Turn on v To operate an electric device by turning or pushing a button.
  • Unplug v To disconnect an electric device by pulling the plug out of the power point.
  • Voltage n The electrical force expressed in a unit called ‘volt’.
  • Wire n A cable, a piece made of different materials which carries the electricity in a circuit.
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