• To acquire knowledge and skill of wiring.
• To develop understanding constructional details and working principles of electric lamps.
• To develop understanding about earthing.
• To develop understanding about controlling and protective devices.
• To develop understanding the principles of electro-magnetic induction.
• To develop skill in connecting lamps, switches and other necessary devices in an electric circuit.
• To acquire knowledge about Non-conducting materials, Resistive materials, Solid liquid insulating materials.
Advance wiring; Electric lamps; Earthing; Controlling and protective devices; lightning Droppat cutout Magnetization of magnetic materials; Hysteresis and eddy current loss; Energy stored in magnetic field, Non-conducting materials, Resistive materials, Solid liquid insulating materials
1 Understand the types of electrical wiring.
1.1 List of residential wiring.
1.2 Describe the high rising residential building.
1.3 Describe the high rising commercial building.
1.4 Explain the indoor and outdoor wiring.
1.5 Distinguish between indoor and outdoor wiring.
1.6 Draw the wiring layout of a residential building.
1.7 Draw the wiring layout of a commercial residential building.
1.8 Describe the electrical building symbol.
2 Understand the constructional details and working principles of different types of electric lamps.
2.1 Explain the different types of lamps.
2.2 Explain the working principle of tungsten filament lamp .
2.3 Explain constructional details of tungsten filament lamp.
2.4 Show diagrammatically the circuit of a fluorescent lamp and its auxiliary components.
2.5 Describe the working principle of a fluorescent lamp stating the function of the choke coil and starter.
2.6 Discuss advantages and disadvantages of fluorescent lamp.
2.7 Describe the detail circuit diagram of a electronically controlled fluorescent lamp.
2.8 Discuss the advantages of electronically controlled fluorescent lamp.
2.9 Explain the working principle of sodium vapour and mercury vapour lamps.
2.10 Explain constructional details of Sodium Vapour & Mercury Vapour lamp.
2.11 Show diagrammatically with the auxiliary components the circuit diagram of sodium vapour and mercury vapour lamps.
2.12 List the uses of sodium vapour and mercury vapour lamps.
2.13 Describe constructional details of a compact fluorescent lamp.
2.14 Explain working principle of a compact fluorescent lamp.
3 Understand the construction and uses of controlling and protective devices.
3.1 State the meaning of controlling and protective devices.
3.2 Describe the constructional features and uses of tumbler switch, iron clad switch, push button switch, gang operated switch etc.
3.3 Explain the meaning and uses of SPST, SPDT, DPST, DPDT, TPST switch.
3.4 List different types of fuses used in electrical wiring.
3.5 Describe the construction and uses of renewable fuses.
3.6 Describe the construction and uses of MCB and its advantages.
3.7 Give reasons for the uses of a lightening arrester
3.8 Give reasons for the uses of a droop out fuse in distribution system.
4 Understand the concepts of earthing.
4.1 List at least three elements required for earthing.
4.2 Discuss the factors to be considered in performing earthing.
4.3 Explain and sketch pipe, plate, sheet and rod earthing.
4.4 Describe the principle and operation of earth testes.
4.5 Describe the measure of earth resistance.
4.6 Explain the earth resistance range in different installation.
5 Understand the phenomenon of dynamically induced emf.
5.1 Explain dynamically induced emf.
5.2 Deduce the formula of dynamically induced emf.
5.3 Solve problems related to dynamically induced emf.
6 Understand the phenomenon of statically induced emf.
6.1 Explain self induced emf.
6.2 Define Coefficient of self-induction by First, Second and Third method for self-inductance (L).
6.3 Apply the formula obtained by First, Second and Third Method to find L of iron core.
6.4 Explain Mutual Inductance (M).
6.5 Define coefficient of self-induction by First, Second and Third Method for (M).
6.6 Apply the formula obtained by First, Second and Third method to find out Mutual Inductance (M).
7 Understand the concept of co-efficient of coupling.
7.1 Explain co-efficient of coupling.
7.2 Deduce the expression for co-efficient of coupling.
7.3 Solve problems on mutual inductance and co-efficient of coupling.
8 Understand how Inductance are connected in series.
8.1 Define the expression for inductance in series.
8.2 Derive the expression for inductance in series.
8.3 Solve problems on inductance in series.
9 Understand the principle of magnetization of magnetic materials.
9.1 Explain magnetization properties of materials.
9.2 Prepare a list of magnetic materials.
9.3 Describe the properties of iron, steel and other magnetic materials.
9.4 List the uses of magnetic materials.
10 Understand cycles of magnetization.
10.1 Explain cycle of magnetization.
10.2 Draw magnetization (B-H) curve.
10.3 Mention applications of B-H curve.
11 Understand the concept of hysteresis loss.
11.1 Define magnetic hysteresis.
11.2 Explain hysteresis loss.
11.3 Explain hysteresis loop.
11.4 Determine ares of hysteresis loop.
11.5 Deduce the expression for energy loss in one cycle of magnetization per cubic meter.
11.6 State the uses of hysteresis loss curves.
12 Understand the concepts of Steinmetz’s hysteresis law.
12.1 State steinmetz’s hysteresis law.
12.2 Explain Steinmetz’s hysteresis law.
12.3 Derive the formula for hysteresis loss on the basis of the Steinmentz’s law.
12.4 Solve prolens on hysteresis loss related to Steinmentz’s law.
13 Understand the concept of eddy current loss and their minimization.
13.1 Define eddy current loss.
13.2 Discuss the methods for minimization of eddy current loss.
13.3 Describe the expression for eddy current loss.
13.4 Solve problems related to eddy current loss.
14 Understand the concept of energy-stored in a magnetic fields.
14.1 Explain the principle of energy stored in a magnetic field.
14.2 Drive the expression for energy stored in a magnetic field.
14.3 Solve problems related to energy stored in a magnetic circuit.
14.4 Explain the lifting power of electromagnet.
14.5 Mention the application of lifting power of electromagnet.
15. Differentiate the conducting non-conducting materials.
15.1 Define conducting, non-conducting and semi-conducting materials.
15.2 Distinguish between non-conducting and semi-conducting materials.
15.3 List at least three items from each group of materials.
15.4 Define resistivity of materials.
15.5 Define temperature co-efficient and melting point.
15.6 Define malleability, conductivity and tensile-stress.
15.7 List the factors affecting resistivity of metal.
15.8 Describe the mechanical properties and resistivity of hard and annealed copper, aluminium, low and high tensile steel.
15.9 Define contact materials.
15.10 Describe the physical and electrical properties of silver, tungsten, carbon and copper.
15.11 Explain the use of copper and graphite as materials for brushes.
15.12 Compare the advantages of using copper and graphite as brush material.
16. Know high resistive materials.
16.1 Define the term high resistivity.
16.2 State general properties of nichrome, eureka, manganin and German silver.
16.3 State composition of nichrome, eureka, manganin and German silver.
16.4 List uses of high resistive materials.
16.5 Define fuse, metal and alloys.
16.6 List the name of metal and alloys to be used fuse material.
16.7 Compare the advantage of using metals and alloys as fuse materials.
17. Understand the concepts of magnetic-materials.
17.1 Define magnetic materials, soft magnetic material and hard magnetic materials
17.2 Classify the magnetic materials as diamagnetic, paramagnetic and ferromagnetic types.
17.3 Name the types of soft and hard magnetic materials.
17.4 Describe the characteristic features of soft magnetic materials.
17.5 Describe composition and properties of hard magnetic materials.
17.6 List the uses of hard and soft magnetic materials.
18. Understand the concepts of insulating materials.
18.1 Describe insulating materials.
18.2 State the importance of insulating materials.
18.3 State the basis of classifying insulating materials.
18.4 Interpret the classification of insulating material on the basis temperature.
18.5 State the criteria for selection of proper insulating materials.
18.6 List the properties of an ideal insulating material.
18.7 State electrical properties of insulating materials.
18.8 Name the normal range for the resistivity of a low grade, medium grade and high grade insulating materials.
18.9 State the effect of temperature on the insulating material.
18.10 Write down the factors for the electric breakdown strength of insulating material.
18.11 State the temperature limit for class “C” and class “F” insulating materials.
18.12 Name an insulating material which an withstand temperature higher than 1800 C.
18.13 State the effect of moisture on the insulating material.
18.14 Define Loss angle with respect to an insulating material.
19. Understand the characteristics of solid insulating materials.
19.1 List the solid insulating materials.
19.2 List the Fibrous type of insulating materials.
19.3 State the properties and application of cotton, varnish, cloth insulating materials.
19.4 compare the properties and application of cotton, varnish, cloth and silk insulating materials.
19.5 State the properties of impregnated paper insulation.
19.6 List the application of impregnated paper insulating materials.
19.7 State the properties of glass and asbestos insulation.
19.8 List the application of glass and asbestos insulation.
19.9 Write down the properties and applications of ceramic/procelain insulating materials.
19.10 List two types of Mica insulating materials.
19.11 State the properties and applications of Mica.
19.12 Write down the properties of Poly ISO Butyle (PIB) insulating materials.
19.13 State the properties of cross Link Poly Ethylene (XLPE) insulating materials.
19.14 List the applications of Poly ISO Butyle and cross Link Poly Ethylene insulating materials.
19.15 State the reasons for giving due importance to the mechanical properties of insulating materials.
20.0 Understand the characteristics of Liquid Insulating Materials.
20.1 State the properties of insulating oil.
20.2 State the physical properties of liquid insulating material.
20.3 Write down the electrical properties of liquid insulating material.
20.4 State thermal properties of liquid insulating material.
20.5 Write down the causes of failure of insulation in oil.
20.6 Explain the testing of di-electric strength of liquid insulating materials.
20.7 Compare the advantage and disadvantage of liquid insulating materials.
1 Show skill in connecting one lamp controlled from two/three different points.
1.1 Sketch a working diagram of one lamp controlled by two SPDT tumbler switches.
1.2 Connect the circuit using required materials and equipment in wiring board.
1.3 Test the connection of circuit by applying proper supply.
1.4 Write a report on connecting one lamp controlled from two different points.
2 Show skill in connecting one calling bell with four indicating lamps controlled from four points.
2.1 Sketch the working wiring diagram of one calling bell with two indicating lamps controlled by two push button switch.
2.2 Connect the circuit using required materials and equipment in wiring board.
2.3 Test the connection of the circuit by applying proper supply.
2.4 Write a report connecting one calling bell with two indicating lamps controlled from two points.
3 Show skill in connecting a ceiling fan in a circuit.
3.1 Sketch the wiring diagram of a ceiling fan showing regulator and a SPST tumbler switch.
3.2 Connect the fan, regulator and switch as per drawing.
3.3 Apply proper supply to the circuit.
3.4 Put the switch of the fan to the “on” position and observe its operation.
3.5 Write a report on connection of a ceiling fan.
4 Show skill in connecting one lamp, one socket and one fan in a circuit by channel wiring.
4.1 Draw the appropriate circuit diagram showing the location of lamp, fan, switches and socket.
4.2 Connect lamp, fan and socket as per drawing.
4.3 Connect the circuit with the supply.
4.4 Switch on the lamp and fan and check the power socket with the help of a test lamp.
4.5 Write a report on connecting one lamp, one socket and one fan in a circuit.
5 Show skill in connecting two fluorescent lamps in parallel and controlled by two switches separtely.
5.1 Draw the appropriate circuit diagram showing two fluorescent lamps in parallel and a two SPST tumbler switches.
5.2 Wiring of the circuits according to diagram.
5.3 Connect the circuit with the power supply.
5.4 Switched on and observe.
5.5 Write a report connecting two fluorescent lamps in parallel and controlled by one switch.
6 Show skill in verifying Faraday’s laws of electromagnetic induction.
6.1 Sketch the circuit diagram showing the location of magnets and the coil connected with a galvanometer.
6.2 Connect a galvanometer with a coil and place it within the magnetic field.
6.3 Observe/measure the induced emf with the help of galvanometer by making necessary movements of coil or magnets.
6.4 Write a report on verifying Faraday’s laws of electromagnetic induction.
7 Show skill in connecting cutout, MCB/MCCB in a circuit.
7.1 Sketch a circuit diagram showing the location of cutout and MCB or MCCB separately with a load like heater or lamp.
7.2 Connect the cutout/MCB/MCCB with the load as per drawing.
7.3 Connect the circuit with the supply.
7.4 Make necessary overloading the circuit by adding additional/excessive load or by short circuiting the load.
7.5 Observe the operation of a MCB and MCCB or a cutout.
7.6 Write a report on connecting cutout/MCB/MCCB in a circuit.
8. Show skill in connecting one lamp, one 3-pin socket one fan in a circuit by concelled condmit wiring.
8.1 Draw the circuit diagram in a paper
8.2 Draw the layout diagram of wiring on the booth wall.
8.3 Cutting the wall according to diagram with identification of socket, switch board.
8.4 Fix up the conduct pipe on the wall.
8.5 Flastening the wall.
8.6 Draw the proper size of cables or wines.
8.7 Connect the switches, holders.
8.8 Check the whole installation.
8.9 Fitting the loads in proper position.
8.10 Test the wiring.
8.11 Supply and operate the load.
9. Show skill in installation of pipe earthing
9.1 Skitehes the proper earthing diagram.
9.2 Estimate the list of materials.
9.3 Prepared the list of hand tools.
9.4 Borring the G-Ι pipe up to 15
9.5 Connecter the earthing lead with pipe
9.6 Testing the earth resistance by earth tester.
10. Test the rating of circuit breaken(6A, 10A)
10.1 Draw the circuit diagram with variable load.
10.2 Collect the materials & tools.
10.3 Collect the circuit breaken according to diagram.
10.4 Check the circuit diagram.
10.5 Supply to the load and observe the tripping current and determine the rating.
1 Planning, Estimating of Electrical Installation
J. B. Gupta
2 A text book of Electrical Technology
B. L Theraja
3 Intro ducting to
Electrical Engineering V.K. Metha.
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