Wire Ampacity and Size 1. Maximum loading for any branch circuit is 80% of rating of circuit for ampacity of wire for any load. NEC 220-2‚ use NEC 310-16 for ampacity. This applies to not more than 3 phase conductors in 1 conduit. Warning Voltage Drop NEC 310-16 wire ampacity tables do not take into account voltage drop‚ only thermal limit. Overhead triplex‚ use 310-16 for wire ampacity. Rule of Thumb If circuit is loaded up to ampacity and distance to load is around 100 feet
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windows‚linux‚amigaos‚os x. Mother board: Mother is a heart of the computer and its also reffered as system board or main board.all the components of the computer connect direct or indirect to the mother board.it is a main circuit board inside the machine without mother board anything is run in computer.it contain some non-volaitle memory to intilaze the systemand load the operating system in peripheral devices.most of the mother board design bios‚EEPROM CHIP store the bios
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programmers to specify instructions in words. The first computers of this generation were developed for the atomic energy industry. Third Generation (1964 – 1971) The third generation of computers began with the development of the integrated circuit. An
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ACC 3511 Case #3 Case 3: INSEL INC Insel Inc. The controller of Insel’s newly formed Motorised Integrated Circuit (MIC) Division‚ Mustapha Bakri‚ sensed that he and his staff could play a significant part in determining the success of what promised to be an important new business. Not only was his division competing in a new and dynamic market with unique requirements but it also was radically changing the way in which it delivered its product. These circumstances led Mustapha to reassess the most
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SAFETY PRECAUTIONS IN USING ELECTRICITY:- 1. Avoid water at all times when working with electricity. Never touch or try repairing any electrical equipment or circuits with wet hands. It increases the conductivity of electric current. 2. Never use equipment with frayed cords‚ damaged insulation or broken plugs. 3. If you are working on any receptacle at your home then always turn off the mains. It is also a good idea to put up a sign on the service panel so that nobody turns the main switch ON
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Any earth fault on a 440V system is considered to be a serious trouble and immediate action is required to identify the faulty circuit. Any earth fault on 220V or any low voltage lighting circuit can be considered as important but need not require immediate attention. However‚ attention should be paid at the next earliest opportunity. Finding Earth Fault on 440V circuit Whenever there is an earth fault alarm‚ immediately inform to electrical officer (if he is on board). First action is to check
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current and voltage to moving if don’t take a protection or neglect transformet can be burn or controlling attendant can be exposed very huge voltage. All electrical systems require some kind of insulation to prevent short circuits and leaking currents. 3 forms of insulators: Solid‚ liquid and gaseous Performance of these insulators depend on the temperature. Classification according to their temperature rating: International Electrotechincal Commission has categories
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a visual processing unit‚ is a specialised electronic circuit designed to rapidly manipulate and alter memory to accelerate the creation of images in frame buffer intended for output to a display. GPUs are very efficient at manipulating computer graphics‚ and their highly parallel structure makes them more effective than genera; purpose CPUs for algorithms where processing of large blocks of data is done in parallel. It is a specialized circuit designed to accelerate the image output in a frame buffer
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processing steps‚ which ultimately determine the device and the circuit performance characteristics. In order to establish links between the fabrication process‚ the circuit design process and the performance of the resulting chip‚ the circuit designers must have a working knowledge of chip fabrication to create effective designs and in order to optimize the circuits with respect to various manufacturing parameters. Also‚ the circuit designer must have a clear understanding of the roles of various
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(1) * Packet switching * Circuit switching * Virtual Circuit switching * Message switching BY: JIHAD MOHAMMED SIDDIG 27/2/2013 Packet switching in networks Packet switching is used to optimize the use of the channel capacity available in digital telecommunication networks such as computer networks‚ to minimize the transmission latency (the time it takes for data to pass across the network)‚ and to increase robustness of communication Circuit switching in networks is a methodology
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