Electrical Installation and Maintenance Work Scheme of Work SSS1

Access free Unified Electrical Installation and Maintenance Scheme of Work for SSS1. SS1 Electrical Syllabus for Senior Secondary School Lagos State – Schemeofwork

Table of Contents

SSS1 Electrical Installation and Maintenance Scheme of Work First Term Electrical Installation and Maintenance Scheme of Work SSS1 Second Term Electrical Installation and Maintenance Scheme of Work SSS1 Third Term

SSS1 Electrical Installation and Maintenance Scheme of Work First Term

WKS	TOPICS	LESSON OBJECTIVES	LEARNING ACTIVITIES	EMBEDDED CORE SKILLS	LEARNING RESOURCES
1	Electrical workshop Electrical workshop layout Rules and Regulations in Electrical workshop	By the end of the lesson students should be able to: -explain the layout in electrical workshop -state the rules and regulations in electrical workshop	-student in small groups explain the layout in electrical workshop -students in pairs display some diagram on electrical workshop	Leadership and personal development Collaboration & communication	1] wire 2] socket 3] clips and nails 4] screws 5] plugs

Safety rules -explain safety rules -rules and regulations to adhere to in the workshop

By the end of the lesson students should be able to: -describe what safety rule is -list some of the rules and regulations -identify some safety equipment

-Students explain what safety rule is (whole class discussion) -students in groups state some of the rules -display some safety wears meant for workshop -students observe some of the displayed safety wears

Collaboration & communication

Overall, Helmet, goggle, safety boots, posters and charts

3	Hazards in electrical installation -causes of accidents s -prevent of accidents	By the end of the lesson students should be able to: -Define hazards -identify the causes of accidents in electrical installation	Students as a class observe wrong connection in installation and discuss the hazard that can emerge	Collaboration & communication	Posters, software on accidents causes and prevention
4	Electrical tools and equipments -measuring tools Marking out tools -striking tools	By the end of the lesson students should be able to: Identify measuring tools -marking tools -striking tools -state types of measuring tools marking tools and striking tools	-students in small groups to lay wire and connect a point of light	Collaboration & communication	1] Ohms meter 2] Ammeter 3]Voltmeter 4]Hammer 5]punches 6]pliers 7]tester

WKS	TOPICS	LESSON OBJECTIVES	LEARNING ACTIVITIES	EMBEDDED CORE SKILLS	LEARNING RESOURCES
5	Cable -definition of cable Types of cable preparation of cable	By the end of the lesson students should be able to: -Define cable -List types of cable -prepare a cable for use	Students in small groups use cable to connect light	Collaboration & Communication	1mm cable, 1.5mm cable, 2.5mm cable, 10mm cable

Working Drawing -electrical symbols -types of drawing -drawing and interpretation of installation e.g. distribution system of living room

By the end of the lesson students should be able to: -recognize different electrical symbols -interpret working drawing (circuit and winning diagram)

Students as a class discuss different types of drawing, explain symbols, display electrical drawing chart and symbol -students as a class observe and draw some symbols

Critical thinking, collaboration & communication Creativity and imagination

1] switch 2]lamp holder 3] socket
4] distribution Box
5] cable

7	Midterm Break
8	Electrical Accessories -Types of accessories	By the end of the lesson students should be able to: -identify electrical accessories -state their uses and guiding regulations guiding the use and loading of electrical accessories	-students identify different types of accessories -students in small group observe displayed accessories	Collaboration & communication Critical thinking and problem solving	SWITCH , SOCKET, OUTLET, LAMP HOLDER AND CEILING ROSES

Practical drawing -3 bedroom apartment -draw to scale -position some of the accessories

By the end of the lesson students should be able to: I] draw the wiring diagram of a living room -sketch the drawing on the board -import some of the accessories to position

-students individually draw the 3 bedroom plan and locate the position of accessories

Collaboration & communication Creativity and imagination

Writing diagrams of a building showing location of accessories

10	Generation -explain generation -types of generation station	By the end of the lesson students should be able to: -draw the block diagram of a generation station	Students in pairs to generate light from the main source e.g. from the meter board to each apartment	Collaboration & communication	Charts, posters and pictures of generating coal, hydro and steam
WKS	TOPICS	LESSON OBJECTIVES	LEARNING ACTIVITIES	EMBEDDED CORE SKILLS	LEARNING RESOURCES
		Describe different types of generation of electricity

Transmission -explain transmission -types of transmission -equipments used in transmission

By the end of the lesson students should be able to: -draw the circuit diagram of a transmission station State types of transmission -identify tools and materials used in transmission station

Teacher displayed the picture of transmitting station, state different types of transmission -students in small groups use transmission lines to connect radio transmitters and receivers with their antennas then distribute cable television signals

Collaboration & communication Critical thinking and problem solving

Charts and picture of transmission station

12	Revision and project	Draw the wiring diagram of a living room, import the accessories to position	Students in pairs conned a point of light into the bulb and socket	Collaboration & communication
13/14	Examination

Electrical Installation and Maintenance Scheme of Work SSS1 Second Term

WKS	TOPICS	LESSON OBJECTIVES	LEARNING ACTIVITIES	EMBEDDED CORE SKILLS	LEARNING RESOURCES
1	Welcome Test/ distribution -diagram of generation, transmission and distribution -single phase – three phase	By the end of the lesson students should be able to: -draw the circuit diagram of generation, transmission and distribution, -distinguish between single phase and three phases	-teacher sketches the diagram of generation transmission and distribution on the board -students as a class observe the displayed drawing and draw	Creativity and imagination	Wiring diagram of generation Transmission and distribution

Surface wiring -explain surface wiring -tools used for surface wiring and materials

By the end of the lesson students should be able to: -carry out surface wiring -draw circuit diagram of a point of light controlled by a switch -List common tools and materials used for surface wiring

-Teacher displays the working drawing i.e. circuit diagram of a point of light controlled by a switch -display some cables and other materials -students as a class observe the displayed items

Creativity and imagination

PVC cable , wiring clip, tools (e.g. hammer), insulated pliers, gimlets, pen knife and screw driver

Surface wiring cables and conductors sizes for surface wiring e.g. 1mm², 1.5mm², 2.5mm² etc -types of circuit e.g. lighting power, and heating circuit

By the end of the lesson students should be able to: -identify different sizes of cables used for lighting, power and heating circuit, -select appropriate cable sizes for each circuit

-Teacher display different sizes of cable e.g. 1mm2, 1.5mm² 2.5mm² , 4mm² -students as a class observe the displayed sizes of cables and do a project on surface wiring

Collaboration & communication Critical thinking and problem solving

PVC cables

Surface wiring -practical class on a point of light controlled by a switch

By the end of the lesson students should be able to: -carry out wiring of a point of light controlled by a switch

-Teacher draws the circuit diagram of the wiring of the point of light on the board -demonstrate the wiring -students as a class observe the displayed diagram and carry out the wiring of a point light controlled by a switch

Collaboration & communication Critical thinking and problem solving

PVC cable, nails, screws, clip

WKS	TOPICS	LESSON OBJECTIVES	LEARNING ACTIVITIES	EMBEDDED CORE SKILLS	LEARNING RESOURCES
5	Surface wiring -practical wiring of appoint light controlled from two independent position	By the end of the lesson students should be able to: -carry out wiring of a point light controlled by two (one way switch)	_Teacher sketches the circuit diagram on the board -demonstrates the wiring -students observe the wiring and carry out the wiring	Collaboration & communication Critical thinking and problem solving	PVC cables, nails, clips, screws and wiring board

Surface wiring -practical wiring of two points of light controlled by a switch

By the end of the lesson students should be able to: -carry out wiring of two point of light controlled by a switch

_teacher sketches the circuit diagram on the board -Demonstrate the wiring -Students observe and wire two points of light controlled by switch

Collaboration & communication Critical thinking and problem solving

PVC cable, nails, clips, screw and wiring board

7	Mid Term Break
8	Current rating of a cable -Definition of current rating -Factors affecting current rating of a cable -Types of conductors	By the end of the lesson students should be able to: -Define current rating -Outline factors affecting current rating of cable -List different types of conductors	-Teacher displays sizes and types of cable -explain the current rating of cables -students in small group observe the displayed cable	Collaboration and communication	PVC cable, nails, clips screw and wiring board

Conduct wiring -definition of a conduct wiring -conduct wiring accessories

By the end of the lesson students should be able to: -Define conduct wiring -list accessories used for conduct wiring -state tools used for conduct wiring

_Teacher identified conduit components, Display conduit accessories , explain their uses Students in groups demonstrate cutting of PVC pipe -students observe and carry out piping

Collaboration and communication

PVC cable, nails, clips, screw and wiring board PVC conduit pipe size (20mm2, 25mm2) various types of boxes used for conduit wiring e.g. terminal angle e.g. terminal angle looping box etc

WKS	TOPICS	LESSON OBJECTIVES	LEARNING ACTIVITIES	EMBEDDED CORE SKILLS	LEARNING RESOURCES
10	Conduit wiring -tools and materials -types of conduit -advantages and disadvantages of conduit	By the end of the lesson students should be able to: -itemize tools and materials used for conduit wiring -Relate different types of conduit -explain the advantages and disadvantages of different types of conduit	-Students in groups itemize tools and materials used for conduit wiring -students explain types of conduit (whole class discussion) -students explain the advantages and disadvantages of different types of conduit -students observe the itemized tools	Collaboration and communication	Hammer, hacksaw, reamer, bending, spring, PVC pipe couples, bushes (male and female)

Conduit wiring -practical wiring of light controlled by one way switch

By the end of the lesson students should be able to: -carry out wiring of a point light controlled by one way switch

Teacher draws the circuit diagram on the board -demonstrates the wiring -students observe and carry out the wiring

Collaboration and communication

PVC conduit pipes 20mm² and 25mm² cables, hacksaw, handling spring etc

12	Revision and Project	Carry out wiring of a point light controlled by a switch	Individual students carry out wiring of appoint of light	Critical thinking and problem solving
13	Examination

Electrical Installation and Maintenance Scheme of Work SSS1 Third Term

WKS	TOPICS	LESSON OBJECTIVES	LEARNING ACTIVITIES	EMBEDDED CORE SKILLS	LEARNING RESOURCES

1	Welcome Test/introduction to protective devices	By the end of the lesson students should be able to: Select common types of protective devices	Students explain the functions of protective devices (whole class discussion)	Collaboration and communication)	Fuses, circuit breaker, chart and posters

Fuses -Definition of fuses -types of fuses -IEE regulations -terminologies i.e. current rating, fusing factor and fusing current

By the end of the lesson students should be able to: -define fuse -select different types of fuse -explain the IEE regulations of the fuse -explain the IEE regulations of the fuse -Analyse the working) principle of fuse

-Teacher displays the fuse -explains the different types, the working principle and the application of the fuse IEE regulation -students observe the displayed fuses and model a fuse using fine strands of steel wool

Collaboration and communication)

Fuses, circuit breaker, chart and posters

Fuses -definition of fuses -types of fuses -IEE regulations -Terminologies i.e. current rating fusing factor and fusing current

By the end of the lesson students should be able to: -Define fuse -select different types of fuse -explain the IEE regulations of the fuse -Anlyse the working principle of fuse

Teacher displays the fuse -explains the different types, the working principle and the application of the fuse IEE regulation -students observe the displayed fuses and model a fuse using fine strands of steel wool

Collaboration and communication

Fuse e.g. rewire able fuse, cartridge fuse, high breaking capacity fuse

Circuit breaker -explain circuit breaker -types of circuit breakers

By the end of the lesson students should be able to: -explain circuit breaker -describe circuit breaker Describe different between types of circuit breaker

Students in groups discuss types of circuit breaker (whole class discussion)

Collaboration and communication

Current operated circuit breaker -explain current operated circuit breaker -types of current operated circuit breaker -working principle

By the end of the lesson students should be able to: -explain current operated circuit breaker -compare different types of current operated circuit breaker -describe the working principle of current operated circuit breaker

Teacher explains the working principle of current operated circuit breaker -students observe the displayed circuit (breaker

Collaboration and communication

Single phase current operated circuit breaker, three phase current operated circuit breaker

Practical class on the installation of fuse

By the end of the lesson students should be able to: -carry out connection of fuses in wiring diagram

Students to carry out a project on the working principle of a fuse

Collaboration and communication

Practical installation of current operated circuit breaker

By the end of the lesson students should be able to: -carryout installation of single phase current operated circuit breaker to 2 points of light

Teacher sketches the diagram on the board -explains the IEE regulation on circuit breakers – students connect 2 points of light to a single phase circuit breaker

Collaboration and communication

Current operated circuit breaker

7	Mid Term Break
8	Voltage operated circuit breaker -explain voltage operated circuit breaker -working principle with diagram	By the end of the lesson students should be able to: -Describe voltage operated circuit breaker -explain the working principle of voltage operated circuit breaker	-Teacher displays the voltage operated circuit breaker -students sketch the schematic diagram in their note books	Creativity and imagination	Voltage operated circuit breaker, single phase and three phases

Installation of voltage operated circuit breaker

By the end of the lesson students should be able to: -carry out installation of single phase and three phase voltage operated circuit breaker

-Teacher sketches the diagram i.e. wiring diagram -explain the regulation on circuit breaker -students observe the sketched diagram , connects 2 point of light to a single phase voltage operated circuit breaker

Critical thinking and problem solving

Voltage operated, circuit breaker

The relevant Regulations -IEE regulations on protective devices fuses and circuit breaker -functions of earthing circuit breaker

By the end of the lesson students should be able to: -Explain the relevant regulations for fuses circuit breaker -outline the functions of earthling in circuit breaker

Teacher explains the importance of IEE regulation -display the diagram on earthing -students observe the displayed diagram and later check the IEE handbook and make group presentation on functions of earthing circuit breaker

Collaboration and communication

IEE regulation, handbook, earth rod and earth lead

Revision and project

By the end of the lesson students should be able to: Practice installation of single phase current operated circuit breaker to 2 points of light

Students in groups to install single phase current operated circuit breaker to 2 points of light

12/13

Examination

ACHIEVEMENT STANDARDS

At the end of SS1 students are able to: