Used for zero potential reference and electrical shock protection. The largest collection of symbols in the network in pdf format. Adapter a cord or block style device with different ends that allows different devices to connect ac alternating current. Glossary of terms for the electric utility industry. An organization that prepares and publishes international standards for all electrical, electronic. The abcs of common electrical terms nickle electrical. A dictionary of electrical words, terms and phrases survivor library.
Glossary all terms and definitions listed alphabetically. It is easy to get a little confused when you are talking to an electrician that has been called out to your home or office. Electrical definition of electrical by the free dictionary. Electric system definition and meaning collins english. You can help enhance this page by adding new terms or writing definitions for existing ones. Below youll find over xx definitions of electrical terms. This is a great resource for electricians and people who work around electricity. This article contains definitions and explanations of terminology used and will help you understand what he. There are times when you want some water but dont need all the water that the pipe can deliver, so you control water flow by adjusting the faucet. Summary of main basic electrical symbols and electronic symbols. It includes the electrical conductors power infeed, flexible power connec tors, etc. Typically, if something uses electricity merely as energy, it is electrical. Electrical system the electrical components used to supply electricity to a structure. Understanding electricity requires knowledge of these basic electrical terms.
Alternating current ac the type of mains electricity used in the uk having a cyclical current waveform. Location at the start of the paper, before the major contents image courtesy of blog. Definition of terms 14 steps to define terms in your proposal or research paper image courtesy of blog. Glossary of electrical and electronics engineering wikipedia. For consultation and interpretation of components, devices and electrical and electronic circuit. Iec 60050 international electrotechnical vocabulary.
Like football or other similar concepts, there are visual symbols that indicate certain terms or objects in. While an effort has been made to avoid superfluous mathematics, equations are some times necessary to completely and effectively define a term. Edison went on to build the first electrical power station and system. This highvoltage vocabulary list covers circuits, conductors and insulators, electromagnetism, energy, and much more. A kind of overhead electric power conduc tor made up. A vocabulary list featuring electrical engineering. Grounded circuit a connection of any electrical unit to the frame, engine, or any part of the tractor or machine, completing. From cambridge english corpus for instance, lesion of the preoptic area produces longlasting insomnia while electrical or pharmacological stimulation and. Electric definition in the cambridge english dictionary. Electrics electrical glossary is a resource to help you understand terms that electricians use. So if you know two of the three characteristics, your can calculate the third one. What is the term given to explain the process of pulling wires through the walls and installing electrical connection boxes of a house during the construction phase.
Research or proposal writing definition of terms 1. The contract is based on all employees of the contractor who work on the site of the works under the electrical, electronic and communications industry state award being able to work a full 38 hours per week under the terms of such award, irrespective of weather. A glossary of electrical terms become an electrician electricians are skilled tradespeople working in a variety of different residential and industrial settings. Basic electrical terms and definitions electricalmag. There is still much work to be done in terms of merging representations across mechanical, electrical, and information domains. The abbreviations ac and dc are often used to mean simply alternating and direct, as when they modify current or voltage. Terms that are underlined and italicized are included in the glossary as a separate definition. The ability of the electric system to supply the aggregate electrical demand and energy requirements of the enduse customers at all times, taking into account scheduled and reasonably expected unscheduled outages of system elements. Grounded conductor a system or circuit conductor that is intentionally. Make sure to check out the downloadable electrical contract template examples in pdf that we have collected and put together just for your. An electric system consists of all of the elements needed to distribute electrical power.
Glossary of electrical engineering terms and definitions listed alphabetically. The funds to perform the work are derived from rates. Electrical symbols electronic symbols schematic symbols. These examples are from the cambridge english corpus and from sources on the web. Components include panels, wiring, outlets, fixtures, etc. Ohms law is the basic formula used in all ac and dc electrical circuits. In electrical circuit, a switch is used to turn the electricity on and off just like a valve is used to turn the water on and off. The process of transferring the immediate discharge of the electrical energy directly to the earth by the help of the low resistance wire is known as the electrical earthing.
Electrical abbreviations and acronyms are used very often in the field of electrical industrial. Understanding of electrical terms is compulsory for engineers. This glossary of electrical and electronics engineering pertains specifically to electrical and electronics engineering. Fault in electrical equipment or apparatus is defined as an imperfection in the electrical circuit due to which current is deflected from the intended path. Electropedia is produced by the iec, the worlds leading organization that prepares and publishes international standards for all electrical, electronic and related technologies collectively known as electrotechnology. Calibration the determination or rectification of the graduations used on a testing instrument. Alternating current ac ammeter ampacity amperehour ah ampere a apparent power armature capacitance capacitor circuit circuit breaker conductor corona current i cycle demand dielectric constant dielectric strength diode direct current dc electrolyte. A square surface mount chip package in plastic with. Ac drive an electronic device used to control the speed of an ac motor. Basic electrical terms and definitions understanding electricity requires knowledge of these basic electrical terms.
Any opinions in the examples do not represent the opinion of the cambridge dictionary editors or of cambridge university press or its licensors. Waveform a graphical representation ofelectrical cycles which shows the amount of variation in amplitude over some period of time. If it uses electricity as the medium for manipulating information, it is almost surely electronic. When talking about electricity an entirely new list of terms are used to. Conditions that meet all entry requirements specified in the. In all electrical systems, the conductors should be sized so that the voltage drop never exceeds 3% for power, heating, and lighting loads or combinations of these. Electrical engineering glossary of electronic terms, letter a definitions including technical drawings when required to assist in the description. Brush a device which rubs against a rotating slip ring or commutator to provide a passage for electric current to a stationary conductor. Pictorial glossary the pictorial glossary includes definitions and illustrations for many terms that are frequently used in the electrical industry. Electrical designers use it to determine how much voltage is required for a certain load, like a motor, a computer, or even a house full of appliances. The abbreviations ac and dc are often used to mean simply alternating and direct.
Furthermore, the maximum total voltage drop for conductors for feeders and branch circuits combined should never exceed 5%. Electrical terms you need to know as an electrician. Fault ground fault this happens when an ungrounded conductor line wire comes in contact with anything that is grounded i. Intro to electricity nyu tandon school of engineering. A storage tank that is installed above grade, at grade, or.
The electrical earthing is done by connecting the noncurrent carrying part of the equipment or neutral of supply system to the ground. A glossary list made up of common terms and phrases used by professionals in the electrical industry. The electrical rating at or above which damage to the device will occur, to include supply voltage, input and. Dictionary of electronic and engineering terms, dictionary. Life would be much easier if you knew the definition of some of the most common electrical terms. In other words, the fault is the abnormal condition of the electrical system which damages the electrical equipment and disturbs the normal flow of the electric current. Circuit breaker an automatic device for stopping the flow of current in an electric circuit. Never connect any component or lead to electrical outlets in any way. As you study electricity in your engineering program, and as you work with electricity in the power plants, industrial plants, you will hear, read, and use various electrical terms.
Wattmeter the wattmeter is an instrument for measuring the electric power or the supply rate of electrical energy in watts of any given circuit. It takes years to get firm understanding of what they all mean. Ammeter an instrument for measuring the flow of electrical current in amperes. Electrical and electronic devices are comprised of different but overlapping categories but, in short, all electronic devices are also electrical devices, it is a subset.
Electric definition is of, relating to, or operated by electricity. Fortunately for you ive grouped them together to help you become a better electrician. Alternating current ac an electric current that reverses its direction many times a second at regular intervals. As you progress in the electrical trade youll hear a bunch of electrical terms being tossed around like their common knowledge. Considerable labor has been expended in the collection of the vocabulary, for which purpose electrical literature. Electrical definition in the cambridge english dictionary. The pictorial glossary includes definitions and illustrations for many terms that are frequently used in the electrical industry. Leaded chip carrier, also called plcc or plastic leaded chip carrier. When an electrician comes to your home communicating a sea of terms you dont quite get, its hard to understand what your electrical problem actually is. From edison to jobs the daily beast september 25, 2014 daily beast. Ohm the standard unit for measuring resistance to flow of. Electric current in which the flow of electric charge periodically reverses direction, whereas in direct current dc, also dc, the flow of electric charge is only in one direction. An organization that prepares and publishes international standards for all electrical, electronic and related technologies. Circuits can be in series, parallel, or in any combination of the two.
615 525 1309 443 958 1266 925 1314 1276 616 959 498 918 337 1108 612 926 914 719 782 300 1 696 863 1298 1460 1094 1202 599 1108 547 262 271 962 628 1025 229 228 829 227 376 865 683 979 127 1018 875 19