Electrical Installation and Maintenance Work Scheme of Work SSS3

Access Lagos State Free Electrical Installation and Maintenance Scheme of work for SSS3. SS3 Curriculum for Senior Secondary School –Schemeofwork

Table of Contents

SSS3 Electrical Installation and Maintenance Work Scheme of Work First Term Electrical Installation and Maintenance Work Scheme of Work SSS3 Second Term

SSS3 Electrical Installation and Maintenance Work Scheme of Work First Term

WKS	TOPICS	LESSON OBJECTIVES	LEARNING ACTIVITIES	EMBEDDED CORE SKILLS	LEARNING RESOURCES
1	Welcome test /testing and inspection contd. -Effectiveness of earthing test -ring circuit test/continuity test	By the end of the lesson students should be able to: -Explain the earth continuity conductor, -Describe steps in carrying out earth continuity test – Explain the continuity test for ring circuit -sketch the diagrams of both tests	-Teacher display the instruments required for the test and demonstrate their uses -Students in small groups demonstrate the test for effectiveness of earthing and continuity test for ring circuit -Sketches the diagram of both tests	Collaboration and communication	Instruments continuity, tester and ohmmeter Web resources www.honoluluhawsji.edu

Statutory regulation -Explain statutory regulation -guide the students on how to use IEE regulation

By the end of the lesson students should be able to: -state the importance of regulations -differentiate between IEE and statutory regulations -Apply the statutory regulations and safety precautions in electrical workshops

-Teacher explains statutory regulation according to IEE regulation -Display some of the guide -students in groups explain statutory regulation and how to use IEE regulations

Collaboration and communication

Copies of various regulations, IEE regulations handbooks Web Resources www.researchgate.net

First aid for electrical accidents -definition of first aid -first aid treatment for electrical accident -causes of electric shock

By the end of the lesson students should be able to: -Define First Aid -identify contents of the First Aid box -Explain treatment for cuts, burns, and electric shock -Outline the causes electric shock -keep accident book -Demonstrate treatment for cuts, burns and electric shock -outline the causes electric shock -keep accident book -Demonstrate treatment for cuts, burn and

-Teacher explains first aid and displays contents of the first aid box -Demonstrate treatment for cuts, burns and electric shock -explain steps adopted in removing causality from point of contact -Demonstrate mouth to mouth respiration

Critical thinking and problem solving

First Aid box with sterilized dressing i.e. (cotton wool, adhesive plaster, bandages (etc) posters and charts Web resources www.moyokonsuit.com

WKS	TOPICS	LESSON OBJECTIVES	LEARNING ACTIVITIES	EMBEDDED CORE SKILLS	LEARNING RESOURCES
			-Students observe patients suffering from electric shock and ask questions on a visit to the hospital -Students observe posters on First Aid treatment and outline the causes of electric shock

Statutory regulations on use of conductor -soldering of terminals -handling of a conductor and general safety

By the end of the lesson students should be able to: -state various statutory regulations -Explain the importance of the regulations -outline the aims and objectives of the regulations -Apply the statutory regulations and safety precautions in electrical workshop

-Teacher explains and lists the various statutory regulations -emphasize the importance of compliance to the regulations -Differentiate between IEE and other statutory regulations -students list the various regulations and observe available copies

Critical thinking and problem solving

Copies of the regulations I] electricity supply regulation Ii] electricity factory act Iii] IEE regulations Web Resources www.zoetalentsolutions.com

Data communication and cabling methods -Types of data communication cables -uses of data communication cable

By the end of the lesson students should be able to: -identify the different types of data -explain the use of each

-Teacher explain different types of data communication cable and state the use of each -students observe posters and charts on data communication and explain different types of data communication cable to each other

Collaboration and communication

Posters, charts and software Web resources www.slidesshare.net

Tools and equipment for wiring jobs -tools and equipment e.g. hammers, spanner, screw drivers etc

By the end of the lesson students should be able to: -identify tools and equipment for winding jobs -select appropriate tools and equipment -observe necessary

-Teacher explains various tools used in winding jobs -select appropriate tools for winding jobs -emphasize necessary precautions -students in groups discuss tools and

Leadership and personal development Collaboration and communication

Tools e.g. hammer, screw drivers, spanners, hacksaw etc poster and charts Web Resources

WKS	TOPICS	LESSON OBJECTIVES	LEARNING ACTIVITIES	EMBEDDED CORE SKILLS	LEARNING RESOURCES
	Uses of each tool -selection of tools and equipment	Precautions in winding jobs	Equipments for winding jobs

7	Mid Term Break
8	Cells Types of cells Primary and secondary cells Working principles of primary and secondary cells -construction of a simple cell	By the end of the lesson students should be able to: -identify types of cells Construct simple cell and label its part -Explain the working principle of primary and secondary cells	-Teacher explain primary and secondary cells -draw cell and identify the parts -explain working principle of primary and secondary cells -students sketches a cell and label its parts, justified the working principles of primary and secondary cell	Creativity and imagination Critical thinking and problem solving	Primary cell and secondary cell e.g. torch light battery for primary cell and lead acid cell for secondary unit Web Resources www.worldkills.org

AC and DC Machine -Operation of DC and AC motor -Operation of DC and AC generator, -constructional features of DC and AC machines -Difference between AC and DC motor, AC and DC generator and their application

By the end of the lesson students should be able to: Identify various types of AC and DC motor and generator -Describe the operation of AC and DC motor and generator –Explain the constructional features of DC and AC machines -Differentiate between DC and AC motor, DC and Ac generator -state the application of DC and AC machine

-Teacher explains types of DC and AC motors and generators -Explain the principles of operation of AC and DC generator -Draw the constructional feature of DC and AC machines -distinguish between the AC/DC motors and generators -Students in groups explain the principles of operation of AC and DC generator

Collaboration and communication

AC motor, DC motor and generators e.g. (dynamo), posters, charts and software Web resources www.electrical –installation.org

Installation of machines -types of enclosures and their applications -suitable started for different motors -installation of AC and DC machines

By the end of the lesson students should be able to: -Identify different types of enclosures for motor -select suitable started for motor -justify correct sizes of cable for machine installation

-Teacher explains different types of enclosures -Explain various connections and operational principles of starter Demonstrate actual installation of machines using appropriate

Critical thinking and problem solving Creativity and imagination

Diagrams , charts, posters, various enclosures and starters, slide rails Web resources www.netnbte.gov.ng

WKS	TOPICS	LESSON OBJECTIVES	LEARNING ACTIVITIES	EMBEDDED CORE SKILLS	LEARNING RESOURCES
	-mounting machine and equipment	-Lift, handle, mount and align AC and DC machines and equipments	Cables -students observe different types of enclosures -carry out various connections on the starters

Winding drawing -drawing and interpretation of wave and lap winding -application of wave and lap -Determination of cell span per pitch pole

By the end of the lesson students should be able to: -draw wave and lap winding -interpret the lap and wave winding drawing -state the application of each type of winding drawing

-teacher draws lap and wave winding -applies waves and lap winding -students draw lap and wave winding -observe position of coil ends on commutator and slip rings

Creativity and imagination

Copper coil, starter, slip rings, brushes, charts, posters and softwares Web Resources www.izito.ws/find

12	Revision and project
13	Examination

Electrical Installation and Maintenance Work Scheme of Work SSS3 Second Term

WKS	TOPICS	LESSON OBJECTIVES	LEARNING ACTIVITIES	EMBEDDED CORE SKILLS	LEARNING RESOURCES
1	WELCOME Test/rewinding of electric motor -sizes of conductors and types of insulating materials used in wiring -construction of winding formers preparation and fixing of winding cell in their slots -connection of winding cells -continuity and earthing test	By the end of the lesson students should be able to: -identify various sizes of conductors i.e. copper wire used in winding -list types of insulating materials -describe the insulating materials listed above -construct winding former -fix and construct winding coils in their slots -check continuity and earthing test -Apply vanish to finished winding coils	-Teacher describe sizes of conductors and types of insulation material used in winding -sketches and explains how winding formers are constructed -sketches and explains how winding formers are constructed -carries out test on continuity and earthing Demonstrate how to fix winding coils in their slots -students sketches winding formers, fix winding coils in their slots Applied vanish on the winding

Armature commutator and slip rings Skimming of immature , slip rings -undercutting of commutators Effectiveness of a commutator

By the end of the lesson students should be able to: -skip armature, slip rings and commutator -under-cut commutator -Determine the effectiveness of commutator

-Teacher explains and demonstrates skimming of armature, commutator and slip rings -Describe the process of undercutting commutator effectiveness -students observe how to skim commutator, slip rings and armature

Critical thinking and problem solving

Armature, slip rings, charts and software Web resources www. Researchgate.ng

Entrepreneurship in electrical installation -merchandizing of electrical goods -sourcing of fund -management of business -proposal winding Budgeting

By the end of the lesson students should be able to: -Identify electrical accessories and materials -buy and sell electrical installation goods -Negotiate for contract jobs in electrical

-teacher explains the act of buying and selling of electrical goods -Explains sources and sourcing of funds -Describe business managements -visit to electrical shops -discuss proposal writing and budgeting -students group

Collaboration and communication

Web Resources www.moyokonsult.com

WKS	TOPICS	LESSON OBJECTIVES	LEARNING ACTIVITIES	EMBEDDED CORE SKILLS	LEARNING RESOURCES
		Installation -write acceptable proposal for electrical installation jobs	Themselves and write business proposal -execute the proposal

Maintenance of electrical equipment Types of maintenance procedure for machine and equipment Maintained Lubricants and applications Machine maintenance and testing -constructional features of some electrical appliances e.g. immersion heater , electric iron

By the end of the lesson students should be able to: -List and explain types of maintenance -Explain maintenance procedure for machines -recognize various grades of lubricants and their applications -Maintain machine or equipments and check to ensure good working condition

-Teacher explains types of maintenance and procedure for machine and equipment maintenance -Discuss lubricant and their uses -carry out actual machine maintenance and test -Draw and label the constructional features of electrical appliances -Students observe systematic procedure for machine maintenance -draw and label the constructional features of electric iron

Critical thinking and problem solving

Lubricants, tools e.g. pliers, electrical appliances Web resources www.zoetalentsolusions.com

Repair of Electrical machines, equipment and installation Causes of breakdown -identification of faults Interpretation of circuit diagrams -trouble of shooting Performance test of machine and equipment

By the end of the lesson students should be able to: -Identify and explain causes of breakdown and faults -Determine symptoms of faults Apply trouble shooting technologies to diagnose and repair

-Teacher explains causes of breakdown -Explains faults in electrical equipments interpret circuit diagrams -discusses trouble shading techniques -test equipment for performance -students inspect and interpret electric circuit diagram -observe faulty equipment and machines -trace fault in equipments and machines

Critical thinking and problem solving

Circuit diagrams, fault appliances, tools and materials Instruments for testing Web resources www.slideshare.net

WKS	TOPICS	LEARNING OBJECTIVES	LEARNING ACTIVITIES	EMBEDDED CORE SKILLS	LEARNING RESOURCES
6	FINAL INSPECTION AND TESTING OF MACHINES / DISMANTLING OF MACHINES -Inspection of the bearing and other parts. Systematic assembling of machine parts. – identification of parts. – Teal for continuity voltage and current. – dismantling machine. – Front and back shield. – Methods of collecting data and recording data from main plate.	By the end of the lesson, students should be able to: -Inspect for good bearing and other parts of the machine. – Assemble machines. -Check for continuity voltage and current – Dismantling machines. – Recognize front and back shield – Record necessary data from the main page.	-Teacher detects and explains bad bearing and other parts, uses Megger to test for continuity and insulation resistance of the machine. – Demonstrate Avometer to test for voltage, current and tachometer for speed. – .Explains the procedure for dismantling machine. – Students observe bearing and other parts of the machine, observe machine being dismantled. -Dismantle machine parts and assemble machine parts.	Critical thinking and Problem solving	Faulty machine, megger, Avometer, tools, charts and posters.
7	MID TERM BREAK
9-13	REVISION PROJECTS AND EXAMINATION