Grade 10 Electricity Term 3 Scheme of Work

Electricity • Grade 10

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Week Lesson Strand Sub-strand Lesson Learning Outcomes Learning Experiences Key Inquiry Question(s) Learning Resources Assessment Reflection
2 1 Electrical Installation 3.3 Final Circuits By the end of the lesson, the learner should be able to:
a) install a two-way lighting circuit;
b) connect intermediate and 2-way switches correctly;
c) demonstrate precision in terminal connections.		 The learners will be guided to:
i> study staircase lighting diagram;
ii> wire with 2-way switches;
iii> verify operation from both ends.		 How can you control one light from two places? 2-way switches, practice boards Circuit functionality rubric —
2 2 Electrical Installation 3.3 Final Circuits By the end of the lesson, the learner should be able to:
a) install a bell circuit with push-button;
b) integrate transformer for low-voltage operation;
c> appreciate communication systems in buildings.		 The learners will be guided to:
i> wire 12V bell with transformer;
ii> mount push-button at “door”;
iii> test chime operation.		 How does a simple bell improve home security? Transformers, bells, push-buttons Bell circuit rubric —
2 3 Electrical Installation 3.3 Final Circuits By the end of the lesson, the learner should be able to:
a) install a socket outlet circuit;
b> use radial or ring final design per standards;
c> value load management in power circuits.		 The learners will be guided to:
i> wire 2-socket radial circuit;
ii> calculate max load;
iii> discuss why ring circuits are used in UK but not Kenya.		 Why do sockets need thicker cables than lights? Cables, sockets, fuses Socket installation rubric —
2 4 Electrical Installation 3.3 Final Circuits By the end of the lesson, the learner should be able to:
a) install a water heater circuit with isolator;
b> apply dedicated circuit and earthing rules;
c> demonstrate safety in wet-area wiring.		 The learners will be guided to:
i> simulate geyser circuit with 15A fuse;
ii> install double-pole isolator;
iii> verify earth continuity.		 Why does a geyser need its own circuit and switch? Isolators, heater symbols, earthing kits Heater circuit safety rubric —
2 5 Electrical Installation 3.3 Final Circuits By the end of the lesson, the learner should be able to:
a) test final circuits for continuity, insulation, polarity;
b> use multimeter and insulation tester;
c> follow verification sequence per regulations.		 The learners will be guided to:
i> perform dead tests before energising;
ii> record resistance values;
iii> certify circuit as safe for use.		 How do electricians guarantee a circuit is safe before switching on? Test instruments, certificates Testing procedure rubric —

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