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Wiring a Plug : Let us consider the problem of connecting a 16 A plug, commonly known as 15 A or power plug to an electrical appliance. Do you use any old bit of wire, or any fuse that is too hard, to make the connections? Which wires are connected to which terminals?
The answers to these and other questions related to the specification or function of electrical equipment are quite simply indicated by colour codes, and there are international conventions which govern the use of colours of, for instance, electrical components, flex sheathing, fuses, etc. The systems used are practical and are now universally recognised. As most of you may be aware also, the following colour code for cable and flex is used in our country.
Figure: Plug showing wire connections.
These colour codes should be followed while wiring a plug Figure gives a view of an ordinary 13 A plug with its top removed showing three terminals i.e., earth(E). neutral(N) and live(L) and their connections. You can see how the three wires are connected to three terminals according to the colour code. It should be ensured that the connections are tight to avoid sparking. There is an activity of this course which explains how do we make cable/flex connections to a plug. Let us move on to selecting a proper fuse for a given appliance in order to learn the safe handling of electricity.
The resistance of 1.5 km of wire of cross-sectional area 0.17 mm 2 is 150Ω. Determine the resistivity of the wire.
A universal shift register can shift in both the left-to-right and right-to-left directions, and it has parallel-load capability. Draw a circuit for such a shift register.
The objective of the project is to protect damage of the DC motors. If the motor is not working it will be shown with red light, if working normally then green and if working at a
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Need answers of a question bank of power electronics . It is an assignment. Urgent
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INTRODUCTION : Electricity is one of the finest gifts of science to the mankind since just a flick of switch can flood the room with light or put on a fan, an air conditioner or a
How to design an Oscillator Circuit (500 MHz range) with no Op amps?
Components of PLC There are followings three main components of PLC : a.The power supply and rack. b.The central processing unit ( CPU) c.The input / output (I/O
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